CN103491302A - System and method for adjusting and controlling camera of smart television - Google Patents
System and method for adjusting and controlling camera of smart television Download PDFInfo
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- CN103491302A CN103491302A CN201310434923.3A CN201310434923A CN103491302A CN 103491302 A CN103491302 A CN 103491302A CN 201310434923 A CN201310434923 A CN 201310434923A CN 103491302 A CN103491302 A CN 103491302A
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Abstract
The invention relates to the technical field of televisions, and provides a system and method for adjusting and controlling a camera of a smart television. The system particularly comprises a camera module, a video processing chip, a processor, a stepping motor and a stepping motor drive circuit, wherein the camera module acquires video signals of the face of a user and transmits the acquired video signals to the video processing chip for conducting processing; the video processing chip transfers the processed video signals to the processor for facial recognition and analysis; when the face of the user moves, a camera adjusting instruction is generated and sent to the video processing chip, the video processing chip transfers the camera adjusting instruction to the stepping motor drive circuit, and then the stepping motor drive circuit outputs stepping motor control signals to the stepping motor to control and adjust the angle of the camera. Therefore, the view angle of the camera can be automatically adjusted according to facial information of the user, and brand new application experience is provided for the user.
Description
Technical field
The invention belongs to technical field of television sets, relate in particular to a kind of intelligent television camera and adjust control system and method.
Background technology
At present, the high-grade intelligent TV of selling on market all is furnished with camera, the application such as the user can carry out Video chat by camera, take pictures.But the visual angle of these cameras is fixed, if in the video process user move or the user want to adjust camera facing to oneself, all can only operate inconvenience but manually carry out the camera angle adjustment by manually carrying out, increase difficulty to user's use.
Summary of the invention
The object of the present invention is to provide a kind of intelligent television camera to adjust control system, be intended to solve user in prior art and manually carry out camera angle adjustment operation inconvenience, increased the problem of difficulty to user's use.
The present invention is achieved in that a kind of intelligent television camera adjustment control system, and described system comprises:
Be arranged on the camera module on the intelligent television housing, described camera module comprises at least one camera, and described camera module is for carrying out video signal collective to user's face region;
The video frequency processing chip be connected with described camera module, described video frequency processing chip is processed and is exported for the vision signal that described camera module is collected, simultaneously, receive and forward camera and adjust instruction, described camera is adjusted instruction and is comprised the camera moving direction and adjust step count information;
The intelligent television processor be connected with described video frequency processing chip, processor carries out face recognition for the vision signal to described video frequency processing chip transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate described camera and adjust instruction;
The stepping motor device be connected with described video frequency processing chip, described stepping motor device comprises stepping motor and stepper motor driving circuit, the camera adjustment instruction that described stepper motor driving circuit forwards for receiving described video frequency processing chip, and resolve and to obtain the step motor control signal, be delivered to described stepping motor; Described stepping motor is connected with described camera module, and it is for adjusting according to the described camera travel direction of described step motor control signal controlling.
As a kind of improved plan, described system also comprises:
For gathering the MIC module of sound-source signal;
The audio processing chip be connected with described video frequency processing chip with described MIC module respectively, described audio processing chip is processed for the sound-source signal that described MIC module is collected, and result is delivered to described video frequency processing chip.
As a kind of improved plan, described video frequency processing chip and described processor are respectively equipped with USB interface.
As a kind of improved plan, also be provided with pyroelectric sensor on described camera module, when being used for human body is entered to the camera zone, described human body heat-releasing electric transducer identified.
As a kind of improved plan, described camera module also is provided with limit switch, and described limit switch is limited the adjusting range of described camera.
Another purpose of the embodiment of the present invention is to provide a kind of intelligent television camera to adjust control method, and described method comprises the steps:
The camera module carries out video signal collective to user's face region;
The vision signal that video frequency processing chip collects described camera module is processed and is exported, and simultaneously, receives and forwards camera and adjust instruction, and described camera is adjusted instruction and comprised the camera moving direction and adjust step count information;
Processor carries out face recognition to the vision signal of described video frequency processing chip transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate described camera and adjust instruction, and described camera adjustment instruction is sent to described video frequency processing chip;
Stepper motor driving circuit receives the camera that described video frequency processing chip forwards and adjusts instruction, and resolves and obtain the step motor control signal, is delivered to described stepping motor;
Described stepping motor is adjusted according to the described camera travel direction of described step motor control signal controlling.
As a kind of improved plan, described method also comprises the steps:
Adopt the MIC module to gather sound-source signal;
The sound-source signal that adopts audio processing chip to collect described MIC module is processed, and result is delivered to video frequency processing chip.
As a kind of improved plan, described method also comprises the steps:
When user's human body enters the camera zone, when by pyroelectric sensor, sensing user's human body and enter into described camera zone, described pyroelectric sensor is exported a camera collection control signal to described camera module, and described camera collection control signal starts the vision signal of user's face is gathered for controlling described camera.
As a kind of improved plan, described method also comprises the steps:
Limit switch is set, when described stepping motor drive amplitude that described camera module is adjusted surpass described limit switch to greatest extent the time, control the adjustment that stops operating of described camera.
In embodiments of the present invention, the camera module is gathered the vision signal of user's face, and send the vision signal collected to the video frequency processing chip processing, video frequency processing chip is transmitted to processor by the vision signal after processing and carries out face recognition and analysis, when moving appears in user's face, generate camera and adjust instruction, and described camera adjustment instruction is sent to video frequency processing chip, video frequency processing chip is adjusted instruction by this camera and is transmitted to stepper motor driving circuit, this stepper motor driving circuit is to stepping motor output step motor control signal, control the angle of adjusting camera, thereby realized the automatic adjustment to the camera visual angle according to user's facial information, with brand-new application, experience to the user.
The accompanying drawing explanation
Fig. 1 is the structure composition frame chart that the intelligent television camera that provides of the embodiment of the present invention one is adjusted control system;
Fig. 2 is the structure composition frame chart that the intelligent television camera that provides of the embodiment of the present invention two is adjusted control system;
Fig. 3 is the structure composition frame chart that the intelligent television camera that provides of the embodiment of the present invention three is adjusted control system;
Fig. 4 is the structure composition frame chart that the intelligent television camera that provides of the embodiment of the present invention four is adjusted control system;
Fig. 5 is the realization flow figure that the intelligent television camera that provides of the embodiment of the present invention is adjusted control method;
Wherein, 11-camera module, 12-video frequency processing chip, 13-processor, 14-stepping motor, 15-stepper motor driving circuit, 16-MIC module, 17-audio processing chip, 18-pyroelectric sensor, 19-limit switch.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The structure composition frame chart of system is controlled in the intelligent television camera adjustment that Fig. 1 shows the embodiment of the present invention to be provided, and for convenience of explanation, has only provided the part relevant to the embodiment of the present invention in figure.
The intelligent television camera is adjusted control system and is specifically comprised camera module 11, video frequency processing chip 12, processor 13, stepping motor 14 and stepper motor driving circuit 15, wherein:
Be arranged on the camera module 11 on intelligent television housing (not shown), camera module 11 comprises at least one camera, camera module 11 is for carrying out video signal collective to user's face region, wherein, this camera module 11 is except camera, also include but not limited to runner assembly and fastening assembly, for example this runner assembly is connected with stepping motor 14, when stepping motor 14 is adjusted, realize the omnibearing adjustment of camera by this runner assembly, fastening assembly is fixed on camera module 11 on the intelligent television housing, do not repeat them here,
The video frequency processing chip 12 be connected with camera module 11, this video frequency processing chip 12 is processed and is exported for the vision signal that camera module 11 is collected, simultaneously, receive and forward camera and adjust instruction, this camera is adjusted instruction and is comprised the camera moving direction and adjust step count information, wherein, this video frequency processing chip 12 can adopt common video frequency processing chip to get final product;
The intelligent television processor 13 be connected with video frequency processing chip 12, this processor 13 carries out face recognition for the vision signal to video frequency processing chip 12 transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate camera and adjust instruction;
The stepping motor device be connected with video frequency processing chip 12, this stepping motor device comprises stepping motor 14 and stepper motor driving circuit 15, the camera that this stepper motor driving circuit 15 forwards for receiver, video process chip 12 is adjusted instruction, and resolve and to obtain the step motor control signal, be delivered to described stepping motor 14; Stepping motor 14 is connected with described camera module 11, and it is for adjusting according to the described camera travel direction of described step motor control signal controlling.Simultaneously, the stepping motor device of the embodiment of the present invention is not limited in conventional fixedly step distance and the motor driver of fixedly stepping angular adjustment, also can step distance and the stepping angle according to setting the motor driver changed.
In embodiments of the present invention, the main control end that the processor 13 of above-mentioned intelligent television is intelligent television, it for example, as intelligent television various functions (Digital Television, Internet video, video playback, the K song, interaction etc.) core is controlled, the core that it is also controlled as the camera adjustment certainly, therefore, in this embodiment, the Treatment Analysis work of the vision signal that will collect camera module 11 has been put on processor 13, the powerful disposal ability of Main Basis processor 13 with and powerful software and hardware operational environment, the promptness that camera is adjusted is stronger, accuracy is higher, wherein:
Scheme in view of the present embodiment, this processor 13 can be understood as the face recognition algorithm inner by it, the vision signal that completes collection is carried out face recognition and picture processing work, thereby calculate direction and step number (this unit is mainly the work of stepping motor and does specific preparation) that camera should be adjusted, wherein, face recognition algorithm can adopt the Tracking Recognition mode of popular user's face, but control too responsive in order to prevent camera, the central area of the face monitored in increase video pictures that can be suitable, being about to facial identified region increases, adjust frequently action to prevent camera module 11, simultaneously, while a plurality of people facial occurring in picture, the face that can adopt fixed-line subscriber is the mode of leading or adopting centered by the center of a plurality of faces, do not repeat them here, but not in order to limit the present invention.
In embodiments of the present invention, can carry out by the control panel of remote controller or intelligent television the switch of this camera automatic regulating function, its major function is controlled by processor 13, does not repeat them here.
In embodiments of the present invention, as shown in Figure 2, described system also comprises:
For gathering the MIC module 16 of sound-source signal;
The audio processing chip 17 be connected with described video frequency processing chip 12 with described MIC module 16 respectively, described audio processing chip 17 is processed for the sound-source signal that described MIC module 16 is collected, and result is delivered to described video frequency processing chip 12.
Wherein, above-mentioned MIC module 16 and audio processing chip 17 are mainly above-mentioned camera to be adjusted to an additional function of function, by the collection of audio signal, realize equally the adjustment of camera angle, simultaneously, Voice & Video is as two technology closely, and its relevance and inheritance are stronger, therefore, during to video signal collective, can be gathered audio signal in the lump, do not repeated them here, but not in order to limit the present invention.
In embodiments of the present invention, video frequency processing chip 12 and processor 13 are respectively equipped with USB interface (not providing in figure), wherein, between video frequency processing chip 12 and processor 13, carry out in the mutual process of communication, by USB interface, data are transmitted, its realization and transmission are all comparatively convenient, and effect is better.
As a specific embodiment of the present invention, as shown in Figure 3, also be provided with pyroelectric sensor 18 on camera module 11, this pyroelectric sensor 18 time is identified for human body being entered to the camera zone.
As another specific embodiment of the present invention, as shown in Figure 4, camera module 11 also is provided with limit switch 19, and the adjusting range of 19 pairs of described cameras of this limit switch is limited.
Wherein, the course of work of the pyroelectric sensor 18 provided by above-mentioned Fig. 3 and Fig. 4 and 19 pairs of camera modules 11 of limit switch is limited, its operating state and useful life are had raising by a relatively large margin.
The intelligent television camera that Fig. 5 shows the embodiment of the present invention to be provided is adjusted the realization flow figure of control method, and its concrete steps are as described below:
In step S101, the camera module carries out video signal collective to user's face region;
In step S102, the vision signal that video frequency processing chip collects described camera module is processed and is exported, and simultaneously, receives and forwards camera and adjust instruction, and described camera is adjusted instruction and comprised the camera moving direction and adjust step count information;
In step S103, processor carries out face recognition to the vision signal of described video frequency processing chip transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate described camera and adjust instruction, and described camera adjustment instruction is sent to described video frequency processing chip;
In step S104, stepper motor driving circuit receives the camera that described video frequency processing chip forwards and adjusts instruction, and resolves and obtain the step motor control signal, is delivered to described stepping motor;
In step S105, stepping motor is adjusted according to the described camera travel direction of described step motor control signal controlling.
Above are only the embodiment of the method that the embodiment of the present invention provides, its concrete realization, with reference to the description of said system embodiment, does not repeat them here.
In embodiments of the present invention, above-mentioned MIC module gathers sound-source signal;
Simultaneously, the sound-source signal that adopts audio processing chip to collect described MIC module is processed, and result is delivered to video frequency processing chip.
Its concrete implementation procedure does not repeat them here, but not in order to limit the present invention.
In embodiments of the present invention, pyroelectric sensor carries out the heat induction to human body, when user's human body enters the camera zone, when by pyroelectric sensor, sensing user's human body and enter into described camera zone, described pyroelectric sensor is exported a camera collection control signal to described camera module, described camera collection control signal starts the vision signal of user's face is gathered for controlling described camera, when user's human body a kind of outside the camera zone time, camera, in static condition, does not carry out the operation of any collection and adjustment.
In embodiments of the present invention, limit switch is set, when described stepping motor drive amplitude that described camera module is adjusted surpass described limit switch to greatest extent the time, control the adjustment that stops operating of described camera.The twisting adjustment angle of controlling camera by limit switch is a common limit method, does not repeat them here.
In embodiments of the present invention, the camera module is gathered the vision signal of user's face, and send the vision signal collected to the video frequency processing chip processing, video frequency processing chip is transmitted to processor by the vision signal after processing and carries out face recognition and analysis, when moving appears in user's face, generate camera and adjust instruction, and described camera adjustment instruction is sent to video frequency processing chip, video frequency processing chip is adjusted instruction by this camera and is transmitted to stepper motor driving circuit, this stepper motor driving circuit is to stepping motor output step motor control signal, control the angle of adjusting camera, thereby realized the automatic adjustment to the camera visual angle according to user's facial information, with brand-new application, experience to the user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. an intelligent television camera is adjusted control system, it is characterized in that, described system comprises:
Be arranged on the camera module on the intelligent television housing, described camera module comprises at least one camera, and described camera module is for carrying out video signal collective to user's face region;
The video frequency processing chip be connected with described camera module, described video frequency processing chip is processed and is exported for the vision signal that described camera module is collected, simultaneously, receive and forward camera and adjust instruction, described camera is adjusted instruction and is comprised the camera moving direction and adjust step count information;
The intelligent television processor be connected with described video frequency processing chip, described processor carries out face recognition for the vision signal to described video frequency processing chip transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate described camera and adjust instruction;
The stepping motor device be connected with described video frequency processing chip, described stepping motor device comprises stepping motor and stepper motor driving circuit, the camera adjustment instruction that described stepper motor driving circuit forwards for receiving described video frequency processing chip, and resolve and to obtain the step motor control signal, be delivered to described stepping motor; Described stepping motor is connected with described camera module, and it is for adjusting according to the described camera travel direction of described step motor control signal controlling.
2. intelligent television camera according to claim 1 is adjusted control system, it is characterized in that, described system also comprises:
For gathering the MIC module of sound-source signal;
The audio processing chip be connected with described video frequency processing chip with described MIC module respectively, described audio processing chip is processed for the sound-source signal that described MIC module is collected, and result is delivered to described video frequency processing chip.
3. intelligent television camera according to claim 1 is adjusted control system, it is characterized in that, described video frequency processing chip and described processor are respectively equipped with USB interface.
4. adjust control system according to the described intelligent television camera of claims 1 to 3 any one, it is characterized in that, on described camera module, also be provided with pyroelectric sensor, identified when described human body heat-releasing electric transducer is used for human body is entered to the camera zone.
5. adjust control system according to the described intelligent television camera of claims 1 to 3 any one, it is characterized in that, described camera module also is provided with limit switch, and described limit switch is limited the adjusting range of described camera.
6. an intelligent television camera is adjusted control method, it is characterized in that, described method comprises the steps:
The camera module carries out video signal collective to user's face region;
The vision signal that video frequency processing chip collects described camera module is processed and is exported, and simultaneously, receives and forwards camera and adjust instruction, and described camera is adjusted instruction and comprised the camera moving direction and adjust step count information;
Processor carries out face recognition to the vision signal of described video frequency processing chip transmission, user's face in video pictures is carried out to region decision and analysis, calculate and generate described camera and adjust instruction, and described camera adjustment instruction is sent to described video frequency processing chip;
Stepper motor driving circuit receives the camera that described video frequency processing chip forwards and adjusts instruction, and resolves and obtain the step motor control signal, is delivered to described stepping motor;
Described stepping motor is adjusted according to the described camera travel direction of described step motor control signal controlling.
7. intelligent television camera according to claim 6 is adjusted control method, it is characterized in that, described method also comprises the steps:
Adopt the MIC module to gather sound-source signal;
The sound-source signal that adopts audio processing chip to collect described MIC module is processed, and result is delivered to video frequency processing chip.
8. adjust control method according to the described intelligent television camera of claim 6 or 7, it is characterized in that, described method also comprises the steps:
When user's human body enters the camera zone, when by pyroelectric sensor, sensing user's human body and enter into described camera zone, described pyroelectric sensor is exported a camera collection control signal to described camera module, and described camera collection control signal starts the vision signal of user's face is gathered for controlling described camera.
9. adjust control method according to the described intelligent television camera of claim 6 or 7, it is characterized in that, described method also comprises the steps:
Limit switch is set, when described stepping motor drive amplitude that described camera module is adjusted surpass described limit switch to greatest extent the time, control the adjustment that stops operating of described camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310434923.3A CN103491302A (en) | 2013-09-18 | 2013-09-18 | System and method for adjusting and controlling camera of smart television |
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| CN201310434923.3A CN103491302A (en) | 2013-09-18 | 2013-09-18 | System and method for adjusting and controlling camera of smart television |
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