CN106375680A - Image processing method, image processing device and terminal - Google Patents
Image processing method, image processing device and terminal Download PDFInfo
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- CN106375680A CN106375680A CN201510444019.XA CN201510444019A CN106375680A CN 106375680 A CN106375680 A CN 106375680A CN 201510444019 A CN201510444019 A CN 201510444019A CN 106375680 A CN106375680 A CN 106375680A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses an image processing method applied to a terminal with a display screen. The method comprises steps: an image processing instruction is received; effective image information of the current image is extracted, and the effective image information is displayed in an operation area; and the operation area is used for carrying out editing processing on the effective image information. The invention also discloses an image processing device and a terminal.
Description
Technical Field
The present invention relates to image processing technologies, and in particular, to a method, an apparatus, and a terminal for processing an image.
Background
With the development of communication technology and social networks, sharing pictures in the networks has become a common scene for users to use various terminals; in such a scenario, if a picture contains a portrait, since the privacy of a user is involved, the user does not want to disclose all the portraits contained in the picture, and often the head regions of some of the portraits in the picture are blurred or shielded first and then are shared in a network; however, when the terminal screen is small or there are many figures in the picture, the processing difficulty rises, and it is easy for the user to make a mistake in processing the area other than the figures in the picture.
Therefore, providing a technical solution for picture processing, which can reduce the difficulty of picture processing and improve the user experience, has become a problem to be solved urgently.
Disclosure of Invention
In view of this, embodiments of the present invention are expected to provide a method, an apparatus, and a terminal for processing an image, which can reduce difficulty in processing the image and improve user experience.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a picture processing method, which is applied to a terminal with a display screen, and comprises the following steps:
receiving a picture processing instruction;
extracting effective image information of a current picture, and displaying the effective image information in an operation area; the operation area is used for editing the effective image information.
In the foregoing solution, before the receiving the picture processing instruction, the method further includes: and detecting the characteristic image information of the current picture, and sending a prompt whether to process the picture or not when the current picture contains the characteristic image information.
In the foregoing solution, before extracting effective image information of a current picture, the method further includes:
identifying characteristic image information of the current picture, and determining N effective sub-images to be processed in the current picture as effective image information; n is a positive integer.
In the foregoing solution, the extracting effective image information of the current picture includes:
and selecting an effective image area according to the determined effective image information, and extracting the image information in the effective image area.
In the foregoing aspect, the displaying the effective image information in the operation area includes:
sequentially displaying N effective sub-images to be processed in a current picture in an operation area; the operation area is a rectangular area; the rectangular area is located on one side of the display screen, or two sides of the rectangular area coincide with the left side and the right side of the display screen respectively, and the other two sides are respectively away from the top end of the display screen by a first length and away from the bottom end of the display screen by a second length.
In the foregoing solution, after the displaying the effective image information in the operation area, the method further includes:
and updating the current picture information according to the editing processing result of the effective image information.
The embodiment of the invention also provides a picture processing device, which is applied to a terminal with a display screen, and the device comprises: the device comprises a receiving module, an extraction module and a display module; wherein,
the receiving module is used for receiving an image processing instruction;
the extraction module is used for extracting effective image information of the current picture;
the display module is used for displaying the effective image information in an operation area; the operation area is used for editing the effective image information.
In the above scheme, the apparatus further includes a detection module, configured to perform characteristic image information detection on the current picture, and send a prompt whether to perform picture processing when determining that the current picture includes the characteristic image information.
In the above scheme, the receiving module is specifically configured to perform characteristic image information identification on a current picture, and determine N effective sub-images to be processed in the current picture as effective image information; n is a positive integer.
In the above scheme, the extraction module is specifically configured to select an effective image area according to the determined effective image information, and extract image information in the effective image area.
In the above scheme, the display module is specifically configured to sequentially display N effective sub-images to be processed in a current picture in an operation area; the operation area is a rectangular area; the rectangular area is located on one side of the display screen, or two sides of the rectangular area coincide with the left side and the right side of the display screen respectively, and the other two sides are respectively away from the top end of the display screen by a first length and away from the bottom end of the display screen by a second length.
In the above solution, the apparatus further includes an updating module, configured to update the current picture information according to an editing processing result of the effective image information.
The embodiment of the invention also provides a terminal which comprises the image processing device in the scheme.
The picture processing method, the device and the terminal provided by the embodiment of the invention receive a picture processing instruction; extracting effective image information of a current picture, and displaying the effective image information in an operation area; the operation area is used for editing the effective image information. Therefore, the image processing difficulty can be reduced, and the user experience can be improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for processing a picture according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of selecting an effective image area according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of displaying effective image information in a first area according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating displaying effective image information in a second area according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating a second image processing method according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a composition structure of a picture processing apparatus according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, an image processing instruction is received; extracting effective image information of a current picture, and displaying the effective image information in an operation area; the operation area is used for editing the effective image information.
Example one
Fig. 1 is a schematic flow chart of a picture processing method according to an embodiment of the present invention, which is applied to a terminal having a display screen, and as shown in fig. 1, the picture processing method according to the embodiment of the present invention includes:
step 101: the terminal receives a picture processing instruction;
before this step, the method further comprises: detecting characteristic image information of the current picture, and sending a prompt whether to process the picture or not when the current picture contains the characteristic image information;
here, the feature image information may be user avatar information; correspondingly, the detecting the characteristic image information of the current picture comprises the following steps: detecting the head portrait information of the user or detecting the face information of the user on the current picture to judge whether the head portrait/the face information of the user exists in the current picture;
and sending a prompt for judging whether to process the picture so as to enable a user to determine whether to execute the picture processing operation.
Step 102: extracting effective image information of a current picture, and displaying the effective image information in an operation area;
before this step, the method further comprises: determining effective image information of a current picture; the method specifically comprises the following steps: identifying characteristic image information of the current picture, and determining N effective sub-images to be processed in the current picture as effective image information; here, the N effective sub-images are effective sub-images to be processed selected by a user; n is a positive integer;
in an embodiment of the present invention, the feature image information identification includes: identifying user head portrait information; accordingly, the N effective sub-images may be N user avatars.
Further, the operation area is used for editing the effective image information; wherein,
the editing process includes: image enlargement processing, image blurring processing, image occlusion processing, and the like; for example: mosaicing the image, using color shading, etc.;
in this embodiment of the present invention, before performing editing processing on the effective image information, the method further includes: amplifying the effective image information; the specific magnification can be determined according to actual conditions.
Further, the extracting the effective image information of the current picture includes:
selecting an effective image area according to the determined effective image information, and extracting the image information in the effective image area;
wherein, the selecting the effective image area according to the determined effective image information comprises:
carrying out first positioning and second positioning on the effective image information in the current picture according to the determined effective image information, and selecting an effective image area according to a positioning result;
wherein the first positioning comprises: locating a pixel point at the upper left corner of each effective subimage in the effective image information; the second positioning includes: locating a pixel point at the lower right corner of each effective sub-image in the effective image information; the selecting the effective image area according to the positioning result comprises the following steps: selecting a rectangular area with the connecting line between the pixel point after the first positioning and the pixel point after the second positioning as a diagonal line as an effective image area for each effective sub-image; FIG. 2 is a schematic diagram illustrating an effective image area selection according to an embodiment of the present invention;
in an embodiment of the present invention, the performing the first positioning and the second positioning on the effective image information in the current picture according to the determined effective image information includes:
performing first positioning and second positioning on the head portrait of the user to be processed in the current picture according to the determined effective image information; the first positioning comprises: positioning pixel points of the upper left corner of each user head portrait to be processed in the current picture; the second positioning includes: positioning pixel points at the lower right corner of each user head portrait to be processed in the current picture; the selecting the effective image area according to the positioning result comprises the following steps: selecting a rectangular area with a connecting line between a pixel point at the upper left corner and a pixel point at the lower right corner as a diagonal line as an effective image area for each head portrait of a user to be processed in the current picture;
the extracting of the image information in the effective image area includes: and copying pixel point information in the effective image area.
Further, the displaying the effective image information in the operation area includes:
sequentially displaying N effective sub-images to be processed in a current picture in an operation area;
wherein the operation area is a rectangular area; the rectangular area is positioned on one side of the display screen, or two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are away from the bottom end of the display screen by a second length;
here, when the rectangular area is located on one side of the display screen, the N effective sub-images are displayed in a queue, which is suitable for a case where the N value is large and the rectangular area can accommodate all the effective sub-images; when two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are respectively away from the bottom end of the display screen by a second length, the N effective sub-images can be arranged into a row and a column, a and b are positive integers, and the specific values of a and b can be set according to actual conditions;
when the rectangular region is located on one side of the display screen, the width of the rectangular region may be a pixel width/length corresponding to an effective sub-image with a maximum pixel width/length among the N effective sub-images; the first length and the second length can be set according to actual needs;
when the two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the extracted effective image information can be amplified as much as possible, and the user can edit and process the effective image information conveniently.
Further, the sequentially displaying N effective sub-images to be processed in the current picture in the operation area includes:
amplifying N effective sub-images to be processed in the current picture by m times, and sequentially displaying the N effective sub-images in an operation area; wherein m is a positive number, and the value of m can be set according to actual needs;
in this embodiment of the present invention, sequentially displaying N effective sub-images to be processed in a current picture in an operation area includes:
amplifying the extracted N user head portraits by m times, and sequentially displaying the N user head portraits in an operation area; as shown in fig. 3 and 4.
Further, after this step, the method further comprises: and updating the current picture information according to the editing processing result of the effective image information, and storing the updated picture information.
Example two
FIG. 5 is a flowchart illustrating a second image processing method according to an embodiment of the present invention; applied to a terminal with a display screen, as shown in fig. 5, the image processing method in the embodiment of the present invention includes:
step 501: detecting characteristic image information of the current picture, judging whether the current picture contains the characteristic image information, and if so, executing step 502; otherwise, executing step 501;
here, the feature image information may be user avatar information including one or more user avatars; correspondingly, the detecting the characteristic image information of the current picture comprises the following steps: and detecting the head portrait information of the user or detecting the face information of the user on the current picture to judge whether the head portrait/the face information of the user exists in the current picture.
Step 502: sending a prompt whether to process the picture, judging whether to receive a picture processing instruction, and executing step 503 if the picture processing instruction is received; if an instruction for not processing the picture is received, go to step 505;
here, a prompt whether to perform picture processing is sent to enable a user to determine whether to perform the operation of picture processing.
Step 503: determining effective image information of a current picture, extracting the effective image information, and displaying the effective image information in an operation area;
here, the determining the effective image information includes: identifying characteristic image information of the current picture, and determining N effective sub-images to be processed in the current picture as effective image information; here, the N effective sub-images are effective sub-images to be processed selected by a user; n is a positive integer;
the operation area is used for editing the effective image information by a user; wherein,
the editing process includes: image enlargement processing, image blurring processing, image occlusion processing, and the like; for example: mosaicing the image, using color shading, etc.;
in this embodiment of the present invention, before performing editing processing on the effective image information, the method further includes: amplifying the effective image information; the specific magnification can be determined according to actual conditions.
Further, the extracting the effective image information includes:
selecting an effective image area according to the determined effective image information, and extracting the image information in the effective image area;
wherein, the selecting the effective image area according to the determined effective image information comprises:
carrying out first positioning and second positioning on the effective image information in the current picture according to the determined effective image information, and selecting an effective image area according to a positioning result;
wherein the first positioning comprises: locating a pixel point at the upper left corner of each effective subimage in the effective image information; the second positioning includes: locating a pixel point at the lower right corner of each effective sub-image in the effective image information; the selecting the effective image area according to the positioning result comprises the following steps: selecting a rectangular area with the connecting line between the pixel point after the first positioning and the pixel point after the second positioning as a diagonal line as an effective image area for each effective sub-image; FIG. 2 is a schematic diagram illustrating an effective image area selection according to an embodiment of the present invention;
in an embodiment of the present invention, the feature image information identification includes: identifying user head portrait information; correspondingly, the N effective sub-images may be N user avatars; the first positioning and the second positioning of the effective image information in the current picture according to the identification result comprise:
performing first positioning and second positioning on the head portrait of the user to be processed in the current picture according to the user head portrait information identification result of the current picture; the first positioning comprises: positioning pixel points of the upper left corner of each user head portrait to be processed in the current picture; the second positioning includes: positioning pixel points at the lower right corner of each user head portrait to be processed in the current picture; the selecting the effective image area according to the positioning result comprises the following steps: selecting a rectangular area with a connecting line between a pixel point at the upper left corner and a pixel point at the lower right corner as a diagonal line as an effective image area for each head portrait of a user to be processed in the current picture;
the extracting of the image information in the effective image area includes: and copying pixel point information in the effective image area.
Further, the displaying the effective image information in the operation area includes:
sequentially displaying N effective sub-images to be processed in a current picture in an operation area;
wherein the operation area is a rectangular area; the rectangular area is positioned on one side of the display screen, or two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are away from the bottom end of the display screen by a second length;
here, when the rectangular area is located on one side of the display screen, the N effective sub-images are displayed in a queue, which is suitable for a case where the N value is large and the rectangular area can accommodate all the effective sub-images; when two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are respectively away from the bottom end of the display screen by a second length, the N effective sub-images can be arranged into a row and a column, a and b are positive integers, and the specific values of a and b can be set according to actual conditions;
when the rectangular region is located on one side of the display screen, the width of the rectangular region may be a pixel width/length corresponding to an effective sub-image with a maximum pixel width/length among the N effective sub-images; the first length and the second length can be set according to actual needs;
when the two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the extracted effective image information can be amplified as much as possible, and the user can edit and process the effective image information conveniently.
Further, the sequentially displaying N effective sub-images to be processed in the current picture in the operation area includes:
amplifying N effective sub-images to be processed in the current picture by m times, and sequentially displaying the N effective sub-images in an operation area; wherein m is a positive number, and the value of m can be set according to actual needs;
in this embodiment of the present invention, sequentially displaying N effective sub-images to be processed in a current picture in an operation area includes:
amplifying the extracted N user head portraits by m times, and sequentially displaying the N user head portraits in an operation area; as shown in fig. 3 and 4.
Step 504: and updating the current picture information according to the editing processing result of the effective image information, and storing the updated picture information.
Step 505: and ending the processing flow.
EXAMPLE III
FIG. 6 is a schematic diagram of a component structure of a picture processing apparatus according to an embodiment of the present invention; as shown in fig. 6, the picture processing apparatus according to the embodiment of the present invention includes: a receiving module 61, an extracting module 62 and a display module 63; wherein,
the receiving module 61 is configured to receive an image processing instruction;
the extracting module 62 is configured to extract effective image information of the current picture;
the display module 63 is configured to display the effective image information in an operation area; the operation area is used for editing the effective image information;
here, the editing process includes: image enlargement processing, image blurring processing, image occlusion processing, and the like; for example: mosaicing the image, using color shading, etc.
Further, the apparatus further includes a detection module 64, configured to perform characteristic image information detection on the current picture, and send a prompt whether to perform picture processing when determining that the current picture includes the characteristic image information;
here, the feature image information may be user avatar information including one or more user avatars; correspondingly, the detecting module 64 performs valid image information detection on the current picture, including: the detection module 64 detects the head portrait information of the user or detects the face information of the user on the current picture to determine whether the head portrait/face information of the user exists in the current picture.
Further, the receiving module 61 is specifically configured to perform feature image information identification on the current picture, and determine that N effective sub-images to be processed in the current picture are effective image information; here, the N effective sub-images are effective sub-images to be processed selected by a user; n is a positive integer.
Further, the extracting module 62 is specifically configured to select an effective image area according to the determined effective image information, and extract image information in the effective image area;
the extracting module 62 selects an effective image area according to the determined effective image information, including:
the extraction module 62 performs first positioning and second positioning on the effective image information in the current picture according to the determined effective image information, and performs effective image area selection according to the positioning result;
wherein the first positioning comprises: locating a pixel point at the upper left corner of each effective subimage in the effective image information; the second positioning includes: locating a pixel point at the lower right corner of each effective sub-image in the effective image information;
the extracting module 62 selects an effective image area according to the positioning result, including:
the extraction module 62 selects a rectangular region with a diagonal line as a connecting line between the pixel point after the first positioning and the pixel point after the second positioning as an effective image region for each effective sub-image; FIG. 2 is a schematic diagram illustrating an effective image area selection according to an embodiment of the present invention;
in an embodiment of the present invention, the feature image information identification includes: identifying user head portrait information; correspondingly, the N effective sub-images may be N user avatars;
the extraction module 62 performs first positioning and second positioning on the to-be-processed user head portrait in the current picture; the first positioning comprises: positioning pixel points of the upper left corner of each user head portrait to be processed in the current picture; the second positioning includes: positioning pixel points at the lower right corner of each user head portrait to be processed in the current picture; the selecting the effective image area according to the positioning result comprises the following steps: selecting a rectangular area with a connecting line between a pixel point at the upper left corner and a pixel point at the lower right corner as a diagonal line as an effective image area for each head portrait of a user to be processed in the current picture;
the extracting module 62 extracts the image information in the effective image area, including: the extraction module 62 copies pixel point information in the effective image region.
Further, the display module 63 is specifically configured to sequentially display N effective sub-images to be processed in the current picture in the operation area;
wherein the operation area is a rectangular area; the rectangular area is positioned on one side of the display screen, or two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are away from the bottom end of the display screen by a second length;
here, when the rectangular area is located on one side of the display screen, the N effective sub-images are displayed in a queue, which is suitable for a case where the N value is large and the rectangular area can accommodate all the effective sub-images; when two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the other two sides are respectively away from the top end of the display screen by a first length, and the other two sides are respectively away from the bottom end of the display screen by a second length, the N effective sub-images can be arranged into a row and a column, a and b are positive integers, and the specific values of a and b can be set according to actual conditions;
when the rectangular region is located on one side of the display screen, the width of the rectangular region may be a pixel width/length corresponding to an effective sub-image with a maximum pixel width/length among the N effective sub-images; the first length and the second length can be set according to actual needs;
when the two sides of the rectangular area are respectively superposed with the left side and the right side of the display screen, the extracted effective image information can be amplified as much as possible, and the user can edit and process the effective image information conveniently.
Further, the display module 63 is specifically configured to magnify m times the N effective sub-images to be processed in the current picture, and sequentially display the magnified N effective sub-images in the operation area; wherein m is a positive number, and the value of m can be set according to actual needs;
in the embodiment of the present invention, the display module 63 enlarges the extracted N user head portraits by m times, and sequentially displays the N user head portraits in the first area or the second area; as shown in fig. 3 and 4.
Further, the apparatus further includes an updating module 65, configured to update the current picture information according to the editing processing result of the valid image information, and store the updated picture information.
In the embodiment of the present invention, the receiving module 61, the extracting module 62, the detecting module 64, and the updating module 65 may be implemented by a Central Processing Unit (CPU) or a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or an integrated circuit (ASIC) in the terminal; the display module 63 may be implemented by a display.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (13)
1. A picture processing method is applied to a terminal with a display screen, and is characterized by comprising the following steps:
receiving a picture processing instruction;
extracting effective image information of a current picture, and displaying the effective image information in an operation area; the operation area is used for editing the effective image information.
2. The method of claim 1, wherein before receiving the picture processing instruction, the method further comprises: and detecting the characteristic image information of the current picture, and sending a prompt whether to process the picture or not when the current picture contains the characteristic image information.
3. The method according to claim 1 or 2, wherein before extracting the effective image information of the current picture, the method further comprises:
identifying characteristic image information of the current picture, and determining N effective sub-images to be processed in the current picture as effective image information; n is a positive integer.
4. The method of claim 3, wherein the extracting the effective image information of the current picture comprises:
and selecting an effective image area according to the determined effective image information, and extracting the image information in the effective image area.
5. The method according to claim 3, wherein the displaying the effective image information in an operation area comprises:
sequentially displaying N effective sub-images to be processed in a current picture in an operation area; the operation area is a rectangular area; the rectangular area is located on one side of the display screen, or two sides of the rectangular area coincide with the left side and the right side of the display screen respectively, and the other two sides are respectively away from the top end of the display screen by a first length and away from the bottom end of the display screen by a second length.
6. The method according to claim 1 or 2, wherein the displaying the effective image information after the operation area, the method further comprises:
and updating the current picture information according to the editing processing result of the effective image information.
7. A picture processing device applied to a terminal with a display screen is characterized by comprising: the device comprises a receiving module, an extraction module and a display module; wherein,
the receiving module is used for receiving an image processing instruction;
the extraction module is used for extracting effective image information of the current picture;
the display module is used for displaying the effective image information in an operation area; the operation area is used for editing the effective image information.
8. The apparatus according to claim 7, wherein the apparatus further comprises a detection module, configured to perform characteristic image information detection on the current picture, and send a prompt whether to perform picture processing when determining that the current picture includes the characteristic image information.
9. The apparatus according to claim 7 or 8, wherein the receiving module is specifically configured to perform characteristic image information identification on the current picture, and determine that N effective sub-images to be processed in the current picture are effective image information; n is a positive integer.
10. The apparatus according to claim 9, wherein the extracting module is specifically configured to perform effective image area selection according to the determined effective image information, and extract image information in the effective image area.
11. The apparatus according to claim 9, wherein the display module is specifically configured to sequentially display N valid sub-images to be processed in a current picture in the operation area; the operation area is a rectangular area; the rectangular area is located on one side of the display screen, or two sides of the rectangular area coincide with the left side and the right side of the display screen respectively, and the other two sides are respectively away from the top end of the display screen by a first length and away from the bottom end of the display screen by a second length.
12. The apparatus according to claim 7 or 8, further comprising an updating module for updating the current picture information according to the result of the editing process on the effective image information.
13. A terminal characterized in that it comprises a picture processing device according to any one of claims 7 to 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510444019.XA CN106375680A (en) | 2015-07-24 | 2015-07-24 | Image processing method, image processing device and terminal |
| PCT/CN2015/091730 WO2017016073A1 (en) | 2015-07-24 | 2015-10-12 | Picture processing method, device, terminal and storage medium |
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| CN201510444019.XA CN106375680A (en) | 2015-07-24 | 2015-07-24 | Image processing method, image processing device and terminal |
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| CN113824831A (en) * | 2020-06-18 | 2021-12-21 | 华为技术有限公司 | Screen projection control method, system, terminal device, screen projection device and storage medium |
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| JP2007018386A (en) * | 2005-07-08 | 2007-01-25 | Omron Entertainment Kk | Image processor, user id storing terminal equipment, photographing apparatus, image processing terminal equipment, image processing method, and image processing system |
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| CN104657668A (en) * | 2015-02-06 | 2015-05-27 | 深圳市金立通信设备有限公司 | Terminal |
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| CN113824831A (en) * | 2020-06-18 | 2021-12-21 | 华为技术有限公司 | Screen projection control method, system, terminal device, screen projection device and storage medium |
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| WO2017016073A1 (en) | 2017-02-02 |
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