[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO2016056199A1 - Dispositif d'affichage tête haute, et procédé d'affichage pour affichage tête haute - Google Patents

Dispositif d'affichage tête haute, et procédé d'affichage pour affichage tête haute Download PDF

Info

Publication number
WO2016056199A1
WO2016056199A1 PCT/JP2015/004903 JP2015004903W WO2016056199A1 WO 2016056199 A1 WO2016056199 A1 WO 2016056199A1 JP 2015004903 W JP2015004903 W JP 2015004903W WO 2016056199 A1 WO2016056199 A1 WO 2016056199A1
Authority
WO
WIPO (PCT)
Prior art keywords
display
driver
vehicle
reference point
image
Prior art date
Application number
PCT/JP2015/004903
Other languages
English (en)
Japanese (ja)
Inventor
神谷　玲朗
希 北川
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2015140160A external-priority patent/JP2016074410A/ja
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2016056199A1 publication Critical patent/WO2016056199A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B60K35/235—Head-up displays [HUD] with means for detecting the driver's gaze direction or eye points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/80—Arrangements for controlling instruments
    • B60K35/81—Arrangements for controlling instruments for controlling displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B60K37/20—Dashboard panels

Definitions

  • the present disclosure relates to a head-up display device and a head-up display display method for projecting an image onto a transparent plate-like member provided in front of the driver's seat, thereby displaying a virtual image on the scenery in front of the driver's seat. It is about.
  • a head-up display device (hereinafter referred to as a character or icon) that projects an image of information (such as a character or an icon) on a transparent plate-like member (such as a windshield) provided in front of the driver's seat.
  • HUD devices are known. If the HUD device is used, an image can be displayed in a state of being superimposed on the front scenery seen through the transparent plate member, so that the driver can grasp the information without diverting his gaze from the front.
  • the first display area arranged away from the center of the driver's field of view and the vicinity of the center of the field of view are arranged.
  • Providing a second display area has been proposed (Patent Document 1).
  • the icon display area is switched according to the importance of the information presented to the driver, so that the icon is displayed larger in the second display area than in the first display area. .
  • the present disclosure aims to provide a head-up display device and a head-up display display method that allow a driver to correctly grasp the presented information without hindering the visual recognition of the scenery in front using the HUD device.
  • the image is projected onto a transparent plate-like member provided in front of the driver's seat of the vehicle, so that the image is superimposed on the scenery in front seen from the driver's seat through the plate-like member.
  • the head-up display device for displaying a virtual image projects the image on the plate-like member in order to display a character or a figure as the image representing the information to be presented to the driver of the vehicle so as to superimpose the image on the scenery.
  • the character or the figure is displayed with a larger display size as the display position of the character or the figure is further away from the reference point in the vertical direction or the horizontal direction.
  • a display control unit for displaying is provided.
  • the display size of the character or graphic is reduced to increase the position close to the center of the field of view as viewed from the driver's seat. Since characters and figures are not displayed, it is possible to prevent the driver from seeing the scenery in front of the driver.
  • the visual acuity of the driver is lower as the position away from the center of the visual field in the vertical direction or the horizontal direction, so by increasing the display size as the display position of the character or figure moves away from the reference point, Characters and figures can be easily understood by the driver.
  • the image is projected onto a transparent plate-like member provided in front of the driver's seat of the vehicle, so that the image is superimposed on a front view seen through the plate-like member from the driver's seat.
  • a head-up display display method for displaying a virtual image the image is projected on the plate-like member in order to display a character or a figure as the image representing the information to be presented to the driver of the vehicle over the scenery. Then, with the center of the field of view as viewed from the driver's seat as a reference point, the character or the figure is displayed with a larger display size as the display position of the character or the figure moves away from the reference point vertically or horizontally. Prepare for that.
  • the display size of the character or figure is reduced, so that the position close to the center of the field of view as seen from the driver's seat. Since large characters and graphics are not displayed, it is possible to prevent the driver from seeing the scenery in front of the driver with the display of characters and graphics.
  • the visual acuity of the driver is lower as the position away from the center of the visual field in the vertical direction or the horizontal direction, so by increasing the display size as the display position of the character or figure moves away from the reference point, Characters and figures can be easily understood by the driver.
  • FIG. 1 is an explanatory diagram showing a rough configuration of a vehicle equipped with the head-up display device of the present embodiment.
  • FIG. 2 is a block diagram showing the configuration of the HUD device of this embodiment.
  • FIG. 3 is an explanatory view exemplifying an area (display area) where characters or icons of the object information are displayed on the scenery in front of the driver's seat viewed through the windshield.
  • FIG. 4 is a flowchart of the HUD display control process executed by the HUD device of this embodiment.
  • FIG. 5 is an explanatory diagram schematically showing the correspondence between the display positions of characters and icons and the display dimensions.
  • FIG. 6 is an explanatory diagram showing an example of displaying characters and icons in the lower display area.
  • FIG. 7 is an explanatory diagram showing an example of displaying characters and icons in the upper display area.
  • FIG. 8 is an explanatory diagram showing an example of displaying characters and icons in the left display area.
  • FIG. 9 is a block diagram showing the configuration of the HUD device of the first modified example.
  • FIG. 10A and FIG. 10B are explanatory views showing an example in which the driver's line of sight moves according to the road configuration in front of the route of the vehicle.
  • FIG. 11 is a flowchart of the reference point setting process executed by the HUD device of the first modified example.
  • FIG. 11 is a flowchart of the reference point setting process executed by the HUD device of the first modified example.
  • FIG. 12 is an explanatory diagram showing an example in which characters and icons are displayed on the HUD device of the first modified example when the road is curved in front of the route of the vehicle.
  • FIG. 13 is an explanatory diagram showing an example in which characters and icons are displayed on the HUD device of the first modified example when the road is a slope in front of the vehicle path,
  • FIG. 14 is an explanatory diagram showing a rough configuration of a vehicle equipped with the HUD device of the second modification,
  • FIG. 15 is a block diagram showing the configuration of the HUD device of the second modified example.
  • FIG. 1 shows a rough configuration of a vehicle 1 on which the head-up display device 10 of this embodiment is mounted.
  • a head-up display device (hereinafter, HUD device) 10 of this embodiment is mounted in a dashboard 2 in front of the driver's seat of the vehicle 1.
  • the HUD device 10 includes a projection unit 11 that projects an image, and a concave mirror 12 that reflects the image projected by the projection unit 11 and projects the image onto a windshield (that is, a windshield) 3.
  • the image projected on the windshield 3 from the HUD device 10 is reflected by the windshield 3 and reaches the eyes of the driver. Then, the driver recognizes the projected image as a virtual image 4 positioned in front of the windshield 3 in a state of being superimposed on the scenery in front.
  • the windshield 3 of this embodiment corresponds to a “plate member” of the present disclosure.
  • an image is projected onto the windshield 3, but the image is projected onto a transparent plate-like member called a combiner provided on the front side of the windshield 3 (that is, on the driver's seat side). May be.
  • the vehicle 1 acquires target information by emitting radio waves to a camera 20 that captures an image in front of the vehicle 1 or a predetermined search area set in front of the vehicle 1 and receiving the reflected waves.
  • a radar 21 or the like is mounted.
  • the camera 20 is configured to take an image similar to a front view seen through the windshield 3 facing the front from the driver's seat.
  • FIG. 2 is a block diagram showing the configuration of the HUD device 10 of this embodiment.
  • the HUD device 10 includes a display control unit 13, an object detection unit 15, an object information acquisition unit 16, and the like in addition to the projection unit 11 described above.
  • the object detection unit 15 is connected to the camera 20 described above, and detects a predetermined object from the front image of the vehicle 1 photographed by the camera 20.
  • the object information acquisition unit 16 is connected to the radar 21 described above, the communication system 22 that shares information with other vehicles, the navigation system 23 that guides the vehicle 1 to the destination, and the like. Information about the detected object (hereinafter, object information) is acquired from these.
  • the display control unit 13 selects characters and icons (that is, figures) representing the object information acquired by the object information acquisition unit 16, and also displays and displays positions (hereinafter referred to as display positions) of the characters or icons.
  • the size (hereinafter referred to as display dimension) is determined, and the contents are instructed to the projection unit 11.
  • the projection unit 11 projects characters or icons in accordance with the contents instructed by the display control unit 13, thereby displaying the characters or icons in a virtual image in association with the object in the front scenery.
  • FIG. 3 exemplifies a region 5 (hereinafter referred to as a display region) in which characters or icons of the object information are displayed over the front view seen through the windshield 3 from the driver's seat.
  • a display region a region 5 (hereinafter referred to as a display region) in which characters or icons of the object information are displayed over the front view seen through the windshield 3 from the driver's seat.
  • the vanishing point P that is the center of the visual field facing the front from the driver's seat is used as a reference point
  • the lower display area 5D positioned below the vanishing point P and the vanishing point P
  • An upper display area 5U located on the upper side and a left display area 5L located on the left side of the vanishing point P are provided.
  • the display area 5 is not limited to the example illustrated in FIG. 3, and a right display area located to the right of the vanishing point P may be provided.
  • each display area 5 is independent, but a part of each display area 5 may be overlapped, or the entire windshield 3 may be a single display area 5.
  • three projection units 11 that project an image may be provided corresponding to each of the three display areas 5, or three displays using one projection unit 11. An image may be displayed in the region 5.
  • FIG. 4 shows a flowchart of the HUD display control process executed by the HUD device 10 of this embodiment.
  • a preceding vehicle that travels ahead of the vehicle 1 a traffic signal for a vehicle that is installed at an intersection of a road on which the vehicle 1 is traveling, or a road that the vehicle 1 is traveling on are provided.
  • a specific building (for example, a landmark) or the like can be exemplified.
  • the detection in S102 is performed using, for example, a silhouette template of the object, and based on whether a silhouette that matches any of a plurality of templates prepared in advance is present in the front image. Determine the presence or absence. And when a several target object exists in a front image, a target object is detected separately.
  • the detection method of a target object is not restricted to this.
  • the front image captured by the camera 20 of the present embodiment is the same as the front view seen from the driver's seat, so the object visually recognized by the driver is detected from the front image. Is done.
  • the lower display area 5D, the upper display area 5U, and the left display area 5L are provided, and the detected objects are different in the respective display areas 5.
  • the preceding vehicle is detected in the lower display area 5D
  • the vehicle traffic light is detected in the upper display area 5U
  • the specific building is detected in the left display area 5L.
  • the target object information regarding the target object will be acquired (S104). If there are a plurality of objects, object information is acquired for each object.
  • the information to be acquired differs depending on the object. For example, when the object is a preceding vehicle, the distance between the vehicle 1 and the preceding vehicle is acquired as the object information based on the target information of the radar 21.
  • the communication system 22 Based on the received information, the situation of the preceding vehicle (for example, whether the communication system 22 is supported, whether automatic driving or manual driving, etc.) can be acquired as object information. is there.
  • the object is a traffic signal for a vehicle
  • the name of the intersection where the traffic signal for the vehicle is installed is acquired as the object information based on the map information of the navigation system 23.
  • the object is a specific building
  • the type of a specific building for example, a gas station, a convenience store, a tourist facility, a driver's favorite store, etc.
  • characters and icons (graphics) representing the object information are selected (S105).
  • a numerical value for example, 100 m
  • an icon simulating an antenna is selected if the preceding vehicle is compatible with the communication system 22
  • an icon simulating a cross mark is selected if the preceding vehicle is not compatible with the communication system 22. If the preceding vehicle is in automatic driving, the letter “A” representing automatic is selected, and if it is in manual driving, the letter “M” representing manual is selected. .
  • the character representing the name is selected.
  • an icon imitating a logo mark of a gas station or a convenience store is selected.
  • the display position of characters and icons is determined in the display area 5 (S106).
  • the characters and icons are displayed at positions adjacent to the objects visually recognized from the driver's seat in the display area 5 in either the vertical direction or the horizontal direction. It has become. In addition, you may display a character and an icon on a target object.
  • the display size of the character or icon is determined (S107).
  • the display dimensions are determined based on the display positions of characters and icons, and the correspondence between the display positions of the characters and icons and the display dimensions is determined in advance.
  • FIG. 5 schematically shows the correspondence between the display positions of characters and icons and the display dimensions.
  • the display size of characters and icons is proportional to the distance from the vanishing point P to the display position as shown in the figure, and the display size becomes closer to the vanishing point P.
  • the display position is farther from the vanishing point P, the display size becomes larger.
  • the display dimension has a lower limit, and even if the display position is close to the vanishing point P, characters and icons are displayed with the lower display dimension. Thereby, it can avoid that a display dimension is too small and a driver
  • the lower limit of such display dimensions for example, a character width that can be identified by a driver with visual acuity of 0.7 with both eyes can be set.
  • the display dimension has an upper limit, and no characters or icons are displayed with a display dimension larger than the upper limit. Thereby, it can avoid that the display dimension is too large and the visual recognition of the scenery ahead from a driver's seat is prevented.
  • the upper limit of the display dimension is, for example, a predetermined ratio (with respect to the height of the lower display area 5D and the upper display area 5U, or the horizontal width of the left display area 5L, based on the size of the display area 5. For example, a character width of 20%) can be set.
  • the projection unit 11 causes the characters and icons selected in S105 to be displayed at the display positions determined in S106 with the display dimensions determined in S107.
  • a character or icon image is projected (S108).
  • the front image as a target in the front image is a preceding vehicle A on the right front traveling in the overtaking lane (target A in the figure) and the front front traveling in the traveling lane.
  • the preceding vehicle B object B in the figure.
  • a numerical value of the distance from the vehicle 1 to the preceding vehicle is displayed adjacently below the visual recognition position of the preceding vehicle.
  • the preceding vehicle A is closer to the vehicle 1 than the preceding vehicle B, so that the preceding vehicle A is viewed at a position away from the vanishing point P (see FIG. 3), and the viewing position of the preceding vehicle A in the lower display area 5D. Is below the viewing position of the preceding vehicle B.
  • the character (here 50 m) representing the distance of the preceding vehicle A (hereinafter referred to as information A) is lower than the character (here 100 m) representing the distance of the preceding vehicle B (hereinafter referred to as information B).
  • information A the character representing the distance of the preceding vehicle A
  • information B the character representing the distance of the preceding vehicle B
  • the display position in the display area 5D is down, and the distance from the vanishing point P as the reference point to the display position is long.
  • the display size of information A is larger than that of information B in accordance with the correspondence relationship in FIG. Accordingly, the driver can easily recognize that the information A (50 m) corresponds to the preceding vehicle A and the information B (100 m) corresponds to the preceding vehicle B.
  • C-2 Display example of the upper display area 5U: FIG.
  • FIG. 7 shows an example in which characters and icons are displayed in the upper display area 5U.
  • the example of FIG. 7 represents a front image (similar to the scenery in the front seen from the driver's seat facing the front) taken by the camera 20 of the vehicle 1 traveling on a general road.
  • the front image has a vehicle signal C on the front side (object C in the figure) and a vehicle signal D on the back side (objects in the figure) as objects in the front image. And object D).
  • the name of the intersection where the vehicle traffic signal is installed is displayed adjacently above the visual position of the vehicle traffic signal as characters representing the object information of the vehicle traffic signal.
  • the vehicle traffic signal C located closer to the vehicle 1 than the vehicle traffic signal D is visually recognized at a position away from the vanishing point P (see FIG. 3), and the vehicle traffic signal C in the upper display area 5U is visible.
  • the visual recognition position of the traffic light C is higher than the visual recognition position of the vehicle traffic light D.
  • the character (in this case, 2-chome) representing the information C related to the vehicle traffic signal C is within the upper display area 5U than the character representing the information D related to the vehicle traffic signal D (here 3-chome).
  • the display position is on the top, and the distance from the vanishing point P as the reference point to the display position is long. For this reason, the display size of the information C is larger than that of the information D in accordance with the correspondence relationship of FIG. Accordingly, the driver can easily recognize that the information C (2-chome) corresponds to the vehicle signal C and the information D (3-chome) corresponds to the vehicle signal D.
  • Display example of the left display area 5L FIG. 8 shows an example in which characters and icons are displayed in the left display area 5L.
  • the example of FIG. 8 represents a front image (similar to a front view seen from the driver's seat facing the front) taken by the camera 20 of the vehicle 1 traveling on a general road.
  • the front image includes the front building E (the object E in the figure) and the back building F (the object F in the figure) as objects. It is included.
  • the building E located closer to the vehicle 1 than the building F is visually recognized at a position away from the vanishing point P (see FIG. 3), and the visible position of the building E in the left display area 5L. Is to the left of the viewing position of the building F.
  • the icon representing the information E on the building E (here, a convenience store) has a display position in the left display area 5L leftward than the icon representing the information F on the building F (here, GS).
  • the distance from the vanishing point P as the reference point to the display position is long. Therefore, the display size of the icon of information E is larger than that of information F according to the correspondence relationship of FIG.
  • the driver can easily recognize that the information E (convenience store) corresponds to the building E and the information F (GS) corresponds to the building F.
  • the display position of characters and icons is close to the vanishing point P with the vanishing point P in front of the driver's seat as a reference point (that is, in the lower display area 5D).
  • the display position in the upper display area 5U becomes lower, or the display position in the left display area 5L becomes right). It has become smaller.
  • no large character or icon is displayed near the vanishing point P.
  • the character and icon are displayed in front of the driver. It is possible to avoid being difficult to visually recognize.
  • the driver who is looking at the vanishing point P has higher visual acuity (that is, visual discrimination ability) as the position is closer to the vanishing point P. Therefore, even if the display size is reduced as the display position of characters and icons approaches the vanishing point P, the driver can read the characters and icons.
  • the display position of the characters and icons is away from the vanishing point P (that is, the lower display area 5D
  • the display size As it becomes higher in the upper display area 5U or left in the left display area 5L, it is possible to make it easier for the driver to read characters and icons.
  • the display position of characters and icons in the display area 5 is related to the distance from the driver's seat to the object, and the closer the distance, the more distant the display position from the vanishing point P is in the vertical or horizontal direction.
  • characters and icons are displayed with larger display dimensions.
  • characters and icons can be displayed with appropriate dimensions according to the common sense that the distance from the driver's seat looks smaller and the closer it looks, the driver can see the correspondence between the displayed information and the object. Can be recognized easily, and the driver can correctly grasp information corresponding to the object.
  • the reference point in front of the driver's seat is set as the reference point. This is because the driver who is driving the vehicle 1 often turns his or her line of sight toward the vanishing point P. However, the driver's line of sight is not fixed and can move according to the traveling scene of the vehicle 1 or the like. Therefore, the reference point may be changed in accordance with the driver's line of sight. In the following, such a modified example will be described focusing on points different from the above-described embodiment.
  • FIG. 9 is a block diagram showing the configuration of the HUD device 10 of the first modification.
  • the HUD device 10 of the first modification includes a road form information acquisition unit 24, a line-of-sight estimation unit 25, and a reference point change unit 26 in addition to the configuration of the HUD device 10 of the above-described embodiment (see FIG. 2). ing.
  • the road form information acquisition unit 24 is connected to the navigation system 23, and refers to the map information of the navigation system 23, and relates to road forms such as curves and hills ahead of the route of the vehicle 1 (hereinafter, road form information). To get.
  • the gaze estimation unit 25 estimates the driver's gaze based on the road configuration information acquired by the road configuration information acquisition unit 24.
  • the reference point changing unit 26 moves the reference point from the vanishing point P according to the driver's line of sight.
  • the display control unit 13 replaces the vanishing point P and changes the display dimensions of the characters and icons based on the positional relationship with the changed reference point. decide.
  • FIG. 10A and 10B show an example in which the driver's line of sight moves according to the road form ahead of the route of the vehicle 1.
  • the road is greatly curved rightward in front of the route of the traveling vehicle 1.
  • the driver of the vehicle 1 moves the line of sight to the right from the vanishing point P in front of the driver's seat, as shown in FIG.
  • the reference point is changed to the center of the visual field after moving the line of sight.
  • FIG. 11 shows a flowchart of the reference point setting process executed by the HUD device 10 of the first modification.
  • This reference point setting process (S200) is executed at any stage before the process (S107) for determining the display size of characters and icons in the above-described HUD display control process (see FIG. 4). .
  • a line-of-sight switch (not shown) is set to ON (S201).
  • the driver can select whether or not to activate the function of changing the reference point according to the driver's line of sight (hereinafter referred to as the line-of-sight function) by operating the line-of-sight switch.
  • the line-of-sight correspondence function When the line-of-sight correspondence function is activated, the line-of-sight correspondence switch is set to ON, and when the line-of-sight correspondence function is not activated, the line-of-sight correspondence switch is set to OFF.
  • the vanishing point P is set as a reference point as in the above-described embodiment (S202), and the reference point setting process in FIG. Then, the process returns to the HUD display control process of FIG.
  • the driver's line of sight is estimated based on the acquired road form information (S204). For example, as shown in FIGS. 10A and 10B, if the road is curved in the right direction in front of the route of the vehicle 1, the driver's line of sight is directed to the right from the vanishing point P. On the other hand, if the road curves to the left, it is estimated that the driver's line of sight is pointing to the left of the vanishing point P. At this time, it can be estimated that the smaller the curvature radius of the curve (that is, the steeper the curve), the greater the driver's line of sight is moving from the vanishing point P in the left-right direction.
  • the driver's line of sight may change according to the speed of the vehicle 1, and as the speed increases, the driver's line of sight tends to be directed further (that is, beyond the curve). Therefore, as the speed of the vehicle 1 is acquired, the speed of the vehicle 1 may be added to the estimation of the driver's line of sight.
  • the movement of the driver's line of sight is not limited to the left-right direction, but can also move in the vertical direction.
  • the driver looks up at the destination before the uphill, so the driver's line of sight is above the vanishing point P. Estimated.
  • the driver looks down on the destination before the downhill, so the driver's line of sight is estimated to be below the vanishing point P. In this case, it can be estimated that as the slope of the slope is steeper, the driver's line of sight moves more greatly in the vertical direction from the vanishing point P.
  • the driver's line of sight when the driver's line of sight is estimated, it is determined whether or not the driver's line of sight faces the vanishing point P (S205).
  • the vanishing point P is set as a reference point (S202).
  • the reference point is moved according to the driver's line of sight, and the center of the visual field is set as the reference point (S206). ).
  • the driver's line of sight is estimated based on the road form information, and may differ from the actual line of sight. For example, even if the road is curved in front of the route of the vehicle 1, if the preceding vehicle is present in front of the vehicle 1, the driver's line of sight is directed to the preceding vehicle instead of the tip of the curve. In that case, it is close to the vanishing point P. Therefore, when it is estimated that the driver's line of sight does not face the vanishing point P (S205: no), the radar 21 then determines whether a preceding vehicle is detected in front of the vehicle 1 or not. If the preceding vehicle is not detected, the reference point is moved according to the estimated line of sight. If the preceding vehicle is detected, the vanishing point P may be set as the reference point.
  • the figure is displayed based on the distance from the vanishing point P to the display position of the character or icon.
  • the display dimensions are determined according to the correspondence relationship of 5.
  • the display dimensions are changed according to the correspondence in FIG. 5 based on the distance from the set reference point to the display position of the character or icon instead of the vanishing point P. decide.
  • FIG. 12 shows an example in which characters and icons are displayed on the HUD device 10 of the first modified example when the road is curved in front of the route of the vehicle 1.
  • the example of FIG. 12 represents a forward image taken by the camera 20 in front of the curve of the vehicle 1 where the road is curved in the right direction.
  • one display area 5 that overlaps the entire front image taken by the camera 20 is provided.
  • the reference point is set at the right end in the front image (that is, the display area 5).
  • the front image has buildings G, H, and I (object G, object H, object in the figure) arranged along the curve as objects.
  • Three items I) are included.
  • the building G closest to the vehicle 1 is visually recognized at the position farthest from the reference point, and as the building H and the building I move away from the vehicle 1 in this order, the visual recognition position becomes closer to the reference point. Yes.
  • the display position of the icon indicates that the information I is the reference point.
  • the information H and the information G are separated in the horizontal direction from the reference point. Therefore, according to the correspondence relationship of FIG. 5, the display size of the icon has the largest information G among the three pieces of information, the next largest information H, and the smallest information I. Since the reference point is moved from the front of the driver's seat to the side of the curve (right side in the example of FIG. 12) before the curve, the display size of the icon is smaller on the side of the curve than the front of the driver's seat. Become.
  • FIG. 13 shows an example in which characters and icons are displayed on the HUD device 10 of the first modified example when the road is sloped in front of the route of the vehicle 1.
  • the example of FIG. 13 represents a forward image taken by the camera 20 in the uphill direction ahead of the path of the vehicle 1 and before the uphill road.
  • the reference point is set at the top in the forward image (that is, the display area 5).
  • the front image has an object in the same lane as the preceding vehicle J (the object J in the figure) in the right front and traveling in the adjacent lane as an object. It includes a preceding vehicle K (object K in the figure) that has already traveled uphill in front of the front.
  • the preceding vehicle J closer to the vehicle 1 than the preceding vehicle K is visually recognized at a position farther from the reference point than the preceding vehicle K.
  • the driver's line of sight is lowered and the reference point is moved from the front of the driver's seat to the lower side, so the display size of the characters is lower than the front of the driver's seat. Get smaller.
  • the driver's line of sight can move according to the form of the road ahead of the route of the vehicle 1, and the estimation is based on the road form information.
  • the reference point is changed to the center of the field of view according to the driver's line of sight.
  • the display size is reduced as the display position of characters and icons is closer to the reference point, and the display dimension is increased as the display position is further away.
  • Second modification In the first modification described above, the driver's line of sight is estimated based on the road form information. However, as a direct detection of the driver's line of sight, the reference point may be changed according to the detected line of sight.
  • FIG. 14 shows a rough configuration of the vehicle 1 on which the HUD device 10 of the second modified example is mounted.
  • a face camera 27 that captures a driver's face image is mounted on the vehicle 1.
  • the face camera 27 is provided separately from the camera 20 that captures a front image of the vehicle 1 and is installed, for example, in the vicinity of a meter panel in order to capture a face image including at least the eyes of the driver.
  • facial camera 27 of this embodiment corresponds to a “photographing unit” of the present disclosure.
  • FIG. 15 is a block diagram showing the configuration of the HUD device 10 of the second modification.
  • the HUD device 10 of the second modification includes a line-of-sight detection unit 28 and a reference point changing unit 26 in addition to the configuration of the HUD device 10 of the above-described embodiment (see FIG. 2).
  • the line-of-sight detection unit 28 is connected to the face camera 27 and analyzes the driver's face image captured by the face camera 27 to detect the driver's line of sight.
  • the reference point changing unit 26 moves the reference point from the vanishing point P according to the driver's line of sight.
  • the display control unit 13 replaces the vanishing point P and changes the display dimensions of the characters and icons based on the positional relationship with the changed reference point. decide.
  • the reference point setting process executed by the HUD device 10 of the second modification is different from the reference point setting process (see FIG. 11) of the first modification described above in the following points.
  • face image data including the driver's eyes photographed by the face camera 27 is obtained instead of the road form information.
  • the acquired face image data is analyzed to detect the driver's line of sight.
  • the driver's line of sight can be detected based on, for example, the position of an iris portion (so-called black eye) identified from the driver's face image.
  • the vanishing point P is set as a reference point (S202), and if the driver's line of sight does not face the vanishing point P (S205: no), The reference point is moved in accordance with the driver's line of sight, and the center of the visual field is set as the reference point (S206).
  • the reference point is changed according to the line of sight. Since large characters and icons are not displayed near the center, it can be avoided that it is difficult for the driver to visually recognize the scenery in front. In addition, since characters and icons are displayed large on the outer edge of the field of view where the driver's visual acuity is reduced, the driver can easily read the characters and icons.
  • the HUD device 10 of the second modified example it is possible to set a reference point that matches the actual line of sight by directly detecting the driver's line of sight.
  • the lower display area 5D, the upper display area 5U, and the left display area 5L are provided, but at least one of them may be provided. Moreover, it is good also as one display area 5 without dividing
  • the display size may be increased as the display position of the character or icon representing the object information of the specific building becomes right in the right display area.
  • a predetermined object is detected from the front image, and information regarding the detected object is acquired.
  • the target object is a specific building
  • information on the type and position of the specific building existing along the route on which the vehicle 1 travels is acquired first.
  • the position of the acquired specific building is close, the specific building may be detected from the front image.
  • the radar 21 is used to acquire the distance from the vehicle 1 to the preceding vehicle, but the present invention is not limited to this.
  • a sonar that measures the distance using sound waves or a laser sensor that measures the distance using light may be used. Further, the distance may be measured based on the captured image of the camera 20.
  • the shooting range of the camera 20 is fixed.
  • the shooting range of the camera 20 may be changed according to the driver's line of sight. By doing so, it becomes possible to detect the object from the captured image of the camera 20 in conjunction with the driver's line of sight.
  • each section is expressed as S100, for example.
  • each section can be divided into a plurality of subsections, while a plurality of sections can be combined into one section.
  • each section configured in this manner can be referred to as a device, module, or means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instrument Panels (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention concerne un dispositif d'affichage tête haute (10) dans lequel une image est projetée sur un élément de type plaque transparent (3) qui est prévu devant le siège du conducteur d'un véhicule (1), et en conséquence, l'image est affichée virtuellement de façon à être superposée sur le décor qui est devant le véhicule et qui est visible depuis le siège du conducteur à travers l'élément de type plaque. Le dispositif d'affichage tête haute (10) est pourvu des éléments suivants : des unités de projection (11, 12) grâce auxquelles des lettres ou des formes sont projetées sur l'élément de type plaque sous la forme d'une image exprimant des informations qui doit être présentée au conducteur du véhicule de manière à afficher virtuellement l'image superposée sur le décor ; et d'une unité de commande d'affichage (13) qui prend le centre du champ de vision vu depuis le siège du conducteur comme un point de référence, et affiche les lettres ou les formes de telle sorte que plus les emplacements d'affichage des lettres ou des formes sont décalés par rapport au point de référence dans la direction verticale ou latérale, plus les dimensions d'affichage deviennent grandes.
PCT/JP2015/004903 2014-10-07 2015-09-28 Dispositif d'affichage tête haute, et procédé d'affichage pour affichage tête haute WO2016056199A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014-206636 2014-10-07
JP2014206636 2014-10-07
JP2015140160A JP2016074410A (ja) 2014-10-07 2015-07-14 ヘッドアップディスプレイ装置、ヘッドアップディスプレイ表示方法
JP2015-140160 2015-07-14

Publications (1)

Publication Number Publication Date
WO2016056199A1 true WO2016056199A1 (fr) 2016-04-14

Family

ID=55652836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/004903 WO2016056199A1 (fr) 2014-10-07 2015-09-28 Dispositif d'affichage tête haute, et procédé d'affichage pour affichage tête haute

Country Status (1)

Country Link
WO (1) WO2016056199A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515908A (zh) * 2018-04-03 2018-09-11 延锋伟世通电子科技（上海）有限公司 一种汽车平视显示器控制电路
CN110799375A (zh) * 2017-09-27 2020-02-14 Jvc建伍株式会社 虚像显示装置
US10724872B2 (en) * 2016-12-13 2020-07-28 Inventec (Pudong) Technology Corporation Vehicle navigation projection system and method thereof
CN114999225A (zh) * 2022-05-13 2022-09-02 海信集团控股股份有限公司 道路对象的信息显示方法及车辆

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005148937A (ja) * 2003-11-12 2005-06-09 Nissan Motor Co Ltd 車両の推奨速度算出装置
JP2007191116A (ja) * 2006-01-23 2007-08-02 Fuji Heavy Ind Ltd 車両用表示装置
JP2007272511A (ja) * 2006-03-31 2007-10-18 Casio Comput Co Ltd 情報伝送システム、撮像装置、情報出力方法、及び、情報出力プログラム
JP2011242769A (ja) * 2003-12-01 2011-12-01 Volvo Technology Corp 情報を表示する方法およびシステム
WO2013136453A1 (fr) * 2012-03-13 2013-09-19 パイオニア株式会社 Dispositif et procédé de création d'informations graphiques, programme pour la création d'informations graphiques et support d'enregistrement d'informations
JP2013189122A (ja) * 2012-03-14 2013-09-26 Denso It Laboratory Inc 車両用表示装置、その制御方法及びプログラム
US20140002252A1 (en) * 2012-06-29 2014-01-02 Yazaki North America, Inc. Vehicular heads up display with integrated bi-modal high brightness collision warning system
JP2014126716A (ja) * 2012-12-26 2014-07-07 Japan Display Inc 表示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005148937A (ja) * 2003-11-12 2005-06-09 Nissan Motor Co Ltd 車両の推奨速度算出装置
JP2011242769A (ja) * 2003-12-01 2011-12-01 Volvo Technology Corp 情報を表示する方法およびシステム
JP2007191116A (ja) * 2006-01-23 2007-08-02 Fuji Heavy Ind Ltd 車両用表示装置
JP2007272511A (ja) * 2006-03-31 2007-10-18 Casio Comput Co Ltd 情報伝送システム、撮像装置、情報出力方法、及び、情報出力プログラム
WO2013136453A1 (fr) * 2012-03-13 2013-09-19 パイオニア株式会社 Dispositif et procédé de création d'informations graphiques, programme pour la création d'informations graphiques et support d'enregistrement d'informations
JP2013189122A (ja) * 2012-03-14 2013-09-26 Denso It Laboratory Inc 車両用表示装置、その制御方法及びプログラム
US20140002252A1 (en) * 2012-06-29 2014-01-02 Yazaki North America, Inc. Vehicular heads up display with integrated bi-modal high brightness collision warning system
JP2014126716A (ja) * 2012-12-26 2014-07-07 Japan Display Inc 表示装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10724872B2 (en) * 2016-12-13 2020-07-28 Inventec (Pudong) Technology Corporation Vehicle navigation projection system and method thereof
CN110799375A (zh) * 2017-09-27 2020-02-14 Jvc建伍株式会社 虚像显示装置
CN110799375B (zh) * 2017-09-27 2023-02-28 Jvc建伍株式会社 虚像显示装置、虚影显示方法以及存储介质
CN108515908A (zh) * 2018-04-03 2018-09-11 延锋伟世通电子科技（上海）有限公司 一种汽车平视显示器控制电路
CN114999225A (zh) * 2022-05-13 2022-09-02 海信集团控股股份有限公司 道路对象的信息显示方法及车辆
CN114999225B (zh) * 2022-05-13 2024-03-08 海信集团控股股份有限公司 道路对象的信息显示方法及车辆

Similar Documents

Publication Publication Date Title
EP2936065B1 (fr) Système pour un véhicule
JP6459205B2 (ja) 車両用表示システム
US8036823B2 (en) Navigation system
JP4749958B2 (ja) 運転支援装置
JP5783155B2 (ja) 表示装置
JP5136950B2 (ja) 車載機器の操作装置
JP6744064B2 (ja) 自動車用画像表示システム
JP2016074410A (ja) ヘッドアップディスプレイ装置、ヘッドアップディスプレイ表示方法
US11803053B2 (en) Display control device and non-transitory tangible computer-readable medium therefor
JP6225379B2 (ja) 車両情報投影システム
CN113784861A (zh) 显示控制方法及显示控制装置
JP6184607B2 (ja) 表示制御装置
US20230135641A1 (en) Superimposed image display device
CN109968977B (zh) 显示系统
CN110462699B (zh) 车辆用显示控制装置以及车辆用显示单元
WO2016056199A1 (fr) Dispositif d'affichage tête haute, et procédé d'affichage pour affichage tête haute
JP6186905B2 (ja) 車載表示装置およびプログラム
WO2020105685A1 (fr) Dispositif, procédé et programme informatique de commande d'affichage
JP2018020779A (ja) 車両情報投影システム
JP2015221633A (ja) 車両用表示システム
JP7481333B2 (ja) 表示装置
JP6328366B2 (ja) ヘッドアップディスプレイの表示制御装置および表示制御方法
KR20160134005A (ko) 드론 및 주변차량을 이용한 시야 확보 방법 및 이를 이용한 디스플레이 시스템
JP2020117105A (ja) 表示制御装置、方法、及びコンピュータ・プログラム
JP6365409B2 (ja) 車両の運転者のための画像表示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15849476

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15849476

Country of ref document: EP

Kind code of ref document: A1