CN110942500A - Method and device for converting static graph into dynamic graph - Google Patents
Method and device for converting static graph into dynamic graph Download PDFInfo
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- CN110942500A CN110942500A CN201911204041.1A CN201911204041A CN110942500A CN 110942500 A CN110942500 A CN 110942500A CN 201911204041 A CN201911204041 A CN 201911204041A CN 110942500 A CN110942500 A CN 110942500A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T11/60—Editing figures and text; Combining figures or text
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Abstract
The invention discloses a method and a device for converting a static image into a dynamic image, which can generate a dynamic image aiming at a user-defined local area. The method comprises the steps of obtaining a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording coordinates of each vertex after each splitting. And selecting a target region split deformed picture at the current time point as a first picture layer, selecting a deformed picture of the first picture layer after the time N as a second picture layer, selecting an original picture of the target region as a third picture layer, and performing a wrong cutting operation on the deformed picture of the picture layers. And selecting the time N as playing time, and generating a dynamic graph by using the recorded coordinate points.
Description
Technical Field
The invention relates to the field of computer technology picture identification processing, in particular to a method and a device for converting a static graph into a dynamic graph.
Background
In the prior art, for example, based on a cartoon image deformation algorithm (Moving Least Squares), image deformation is realized by using a Moving Least square method, and different transparent processing is performed on a deformed image by changing the degree of deformation through practice, so as to realize conversion from a static image to a dynamic image. However, the algorithm can only process the whole picture, and cannot realize local dynamic graph operation, and as for the method for generating the GIF picture, the algorithm has great limitation, which results in poor user experience.
Disclosure of Invention
The present invention is directed to a method and apparatus for converting a static graph into a dynamic graph, so as to solve the problems mentioned in the background art.
In order to achieve the above object, the present invention provides the following technical solution, a method for converting a static graph into a dynamic graph, comprising the following steps:
step S100: and acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting.
Step S200: and selecting a target region split deformed picture at the current time point as a first picture layer, selecting a deformed picture of the first picture layer after the time N as a second picture layer, selecting an original picture of the target region as a third picture layer, and performing a wrong cutting operation on the deformed picture of the picture layers.
Step S300: and selecting the time N as playing time, and generating a dynamic graph by using the recorded coordinate points.
Preferably, the step S100 includes the following sub-steps: step S110: adding a track point into the static picture to be processed, and performing triangulation deformation; obtaining four deformed triangles; step S120: adding a track point by a vector cross multiplication method, triangulating the area where the track point is located, keeping other areas still and generating a plurality of new deformed triangles; step S130: continuously repeating the step S120 to perform splitting deformation processing; step S140: and recording the coordinates of the vertexes of the triangles after the splitting and the deformation, and recording and sequencing according to the sequence of the same area.
Preferably, the step S200 includes the following sub-steps: step S210: selecting a target area after the triangulation deformation in the step S100; step S220: and in the time N when the first graph is deformed to the second graph layer, selecting a certain time when the target area is deformed in the step S140 as a playing time point, calculating the moving distance of each vertex of the triangle, and performing a cross-cut operation on all deformed pictures in the time period through Matrix.
Preferably, the step S300 includes the following sub-steps: step S310: adjusting the transparency and other pixels of the first layer, the second layer and the third layer according to the playing time point; step S320: and selecting the picture subjected to the cross-cut operation in the step S220, keeping the picture as a video, and generating a dynamic picture according to the layer.
In order to achieve the above object, the present invention further provides an apparatus for converting a static graph into a dynamic graph, which includes:
a cyclic graph-taking module: and acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting.
A target area processing module: and selecting a target region split deformed picture at the current time point as a first picture layer, selecting a deformed picture of the first picture layer after the time N as a second picture layer, selecting an original picture of the target region as a third picture layer, and performing a wrong cutting operation on the deformed picture of the picture layers.
A GIF generation module: and selecting the time N as playing time, and generating a dynamic graph by utilizing the recorded coordinate point sequence.
The cyclic graph fetching module comprises a triangulation submodule, a vector cross multiplication submodule, a cyclic submodule and a recording submodule, wherein the triangulation submodule performs triangulation deformation by adding a track point into the static picture to be processed; obtaining four deformed triangles; the vector cross multiplication submodule is used for adding new track points, triangulating the area where the track points are located, keeping other areas still and generating a plurality of new deformed triangles; the circulation submodule is used for repeating the steps of the circulation triangulation submodule and the vector cross multiplication submodule; and the recording submodule records the coordinates of the vertexes of the triangles after the splitting and the deformation and records and sorts the vertexes according to the sequence of the same area.
The target area processing module comprises a mark selection sub-module and a miscut processing sub-module, wherein the mark selection sub-module is used for selecting a deformed target area from the cyclic image taking module; and the miscut processing submodule is used for selecting and recording a certain time of the target area deformation of the submodule as a playing time point from the time N from the first graph deformation to the second graph layer, calculating the moving distance of each vertex of the triangle, and carrying out the miscut operation on all the deformed pictures in the time period through Matrix.
The GIF generation module comprises an image processing submodule and a dynamic graph generation submodule, wherein the image processing submodule is used for adjusting the pixels such as the transparencies of the first graph layer, the second graph layer and the third graph layer; and the dynamic graph generating submodule is used for selecting each picture of the miscut processing submodule, keeping the video with the generation time of N, and generating the dynamic graph according to the layer.
According to the method and the device, any selected target area in the user image can be selected to generate the dynamic image through user-defined selection, and the dynamic image is not limited to materials provided by a terminal, so that the method and the device can adapt to more scenes, and are favorable for user-defined setting of the personalized dynamic image and various images.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 illustrates a flow chart of a method of converting a static graph into a dynamic graph in accordance with the present invention;
FIG. 2 is a flow diagram illustrating the substeps of step S100 of a method of converting a static map into a dynamic map according to the present invention;
FIG. 3 is a flow diagram illustrating the substeps of step S200 of a method of converting a static map into a dynamic map according to the present invention;
FIG. 4 is a flow diagram illustrating the substeps of step S300 of a method of converting a static map into a dynamic map according to the present invention;
FIG. 5 shows a flow chart of an apparatus for converting a static graph into a dynamic graph according to the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention is further explained below with reference to the accompanying drawings. It should be apparent that the described embodiments are part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the embodiments of the present invention belong to the scope of the embodiments of the present invention.
The invention provides the following technical scheme, and a method for converting a static graph into a dynamic graph comprises the following steps:
step S100: and acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting. The method comprises the following substeps: step S110: adding a track point into the static picture to be processed, and performing triangulation deformation; obtaining four deformed triangles; step S120: adding a track point by a vector cross multiplication method, triangulating the area where the track point is located, keeping other areas still and generating a plurality of new deformed triangles; step S130: continuously repeating the step S120 to perform splitting deformation processing; step S140: and recording the coordinates of the vertexes of the triangles after the splitting and the deformation, and recording and sequencing according to the sequence of the same area.
Step S200: and selecting a target region split deformed picture at the current time point as a first picture layer, selecting a deformed picture of the first picture layer after the time N as a second picture layer, selecting an original picture of the target region as a third picture layer, and performing a wrong cutting operation on the deformed picture of the picture layers. The method comprises the following substeps: step S210: selecting a target area after the triangulation deformation in the step S100; step S220: and in the time N when the first graph is deformed to the second graph layer, selecting a certain time when the target area is deformed in the step S140 as a playing time point, calculating the moving distance of each vertex of the triangle, and performing a cross-cut operation on all deformed pictures in the time period through Matrix.
Step S300: and selecting the time N as playing time, and generating a dynamic graph by using the recorded coordinate points. The method comprises the following substeps: step S310: adjusting the transparency and other pixels of the first layer, the second layer and the third layer according to the playing time point; step S320: and selecting the picture subjected to the miscut operation in the step S220, keeping the picture as a video, and generating a dynamic picture by highlighting according to the layer.
As shown in fig. 5, an apparatus for converting a static map into a dynamic map includes:
a cyclic graph-taking module: and acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting. The method comprises a triangulation submodule, a vector cross multiplication submodule, a circulation submodule and a recording submodule, wherein the triangulation submodule carries out triangulation deformation by adding a track point into the static picture to be processed; obtaining four deformed triangles; the vector cross multiplication submodule is used for adding new track points, triangulating the area where the track points are located, keeping other areas still and generating a plurality of new deformed triangles; the circulation submodule is used for repeating the steps of the circulation triangulation submodule and the vector cross multiplication submodule; and the recording submodule records the coordinates of the vertexes of the triangles after the splitting and the deformation and records and sorts the vertexes according to the sequence of the same area.
A target area processing module: and selecting a target region split deformed picture at the current time point as a first picture layer, selecting a deformed picture of the first picture layer after the time N as a second picture layer, selecting an original picture of the target region as a third picture layer, and performing a wrong cutting operation on the deformed picture of the picture layers. The system comprises a mark selection sub-module and a miscut processing sub-module, wherein the mark selection sub-module is used for selecting a deformed target area from a cyclic image-taking module; and the miscut processing submodule is used for selecting and recording a certain time of the target area deformation of the submodule as a playing time point from the time N from the first graph deformation to the second graph layer, calculating the moving distance of each vertex of the triangle, and carrying out the miscut operation on all the deformed pictures in the time period through Matrix.
A GIF generation module: and selecting the time N as playing time, and generating a dynamic graph by utilizing the recorded coordinate point sequence. The image processing sub-module is used for adjusting the pixels such as the transparency of the first image layer, the second image layer and the third image layer; and the dynamic graph generating submodule is used for selecting each picture of the miscut processing submodule, keeping the video with the generation time of N, and generating the dynamic graph according to the layer.
According to the method and the device, any selected target area in the user image can be selected to generate the dynamic image through user-defined selection, and the dynamic image is not limited to materials provided by a terminal, so that the method and the device can adapt to more scenes, and are favorable for user-defined setting of the personalized dynamic image and various images.
Those of ordinary skill in the art will appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A method for converting a static graph into a dynamic graph, the method comprising the steps of:
step S100: acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting;
step S200: selecting a target region split deformed picture at the current time point as a first layer, selecting a deformed picture of the first layer after time N as a second layer, selecting an original picture of the target region as a third layer, and performing a wrong cutting operation on the layer deformed picture;
step S300: and selecting the time N as playing time, and generating a dynamic graph by using the recorded coordinate points.
2. The method for converting a static graph into a dynamic graph according to claim 1, wherein the step S100 comprises the following sub-steps:
step S110: adding a track point into the static picture to be processed, and performing triangulation deformation; obtaining four deformed triangles;
step S120: adding a track point by a vector cross multiplication method, triangulating the area where the track point is located, keeping other areas still and generating a plurality of new deformed triangles;
step S130: continuously repeating the step S120 to perform splitting deformation processing;
step S140: and recording the coordinates of the vertexes of the triangles after the splitting and the deformation, and recording and sequencing according to the sequence of the same area.
3. The method for converting a static graph into a dynamic graph according to claim 1, wherein the step S200 comprises the following sub-steps:
step S210: selecting a target area after the triangulation deformation in the step S100;
step S220: and in the time N when the first graph is deformed to the second graph layer, selecting a certain time when the target area is deformed in the step S140 as a playing time point, calculating the moving distance of each vertex of the triangle, and performing a cross-cut operation on all deformed pictures in the time period through Matrix.
4. The method for converting a static graph into a dynamic graph according to claim 1, wherein the step S300 comprises the following sub-steps:
step S310: adjusting the transparency and other pixels of the first layer, the second layer and the third layer according to the playing time point;
step S320: and selecting the picture subjected to the cross-cut operation in the step S220, keeping the picture as a video, and generating a dynamic picture according to the layer.
5. An apparatus for converting a static graph into a dynamic graph, wherein the apparatus comprises:
a cyclic graph-taking module: acquiring a static picture to be processed, carrying out integral to local splitting deformation by setting track points, and recording the coordinates of each vertex after each splitting;
a target area processing module: selecting a target region split deformed picture at the current time point as a first layer, selecting a deformed picture of the first layer after time N as a second layer, selecting an original picture of the target region as a third layer, and performing a wrong cutting operation on the layer deformed picture;
a GIF generation module: and selecting the time N as playing time, and generating a dynamic graph by utilizing the recorded coordinate point sequence.
6. The device for converting the static map into the dynamic map according to claim 5, wherein the cyclic mapping module comprises a triangulation sub-module, a vector cross multiplication sub-module, a cyclic sub-module and a recording sub-module, wherein the triangulation sub-module triangulates by adding a trace point to the static picture to be processed; obtaining four deformed triangles; the vector cross multiplication submodule is used for adding new track points, triangulating the area where the track points are located, keeping other areas still and generating a plurality of new deformed triangles; the circulation submodule is used for repeating the steps of the circulation triangulation submodule and the vector cross multiplication submodule; and the recording submodule records the coordinates of the vertexes of the triangles after the splitting and the deformation and records and sorts the vertexes according to the sequence of the same area.
7. The apparatus for converting a static map into a dynamic map according to claim 5, wherein the target area processing module comprises a mark selection sub-module and a miscut processing sub-module, wherein the mark selection sub-module is used for selecting a deformed target area from the loop extraction module; and the miscut processing submodule is used for selecting and recording a certain time of the target area deformation of the submodule as a playing time point from the time N from the first graph deformation to the second graph layer, calculating the moving distance of each vertex of the triangle, and carrying out the miscut operation on all the deformed pictures in the time period through Matrix.
8. The apparatus according to claim 5, wherein the GIF generating module comprises an image processing sub-module and a video generating sub-module, wherein the image processing sub-module is configured to adjust the pixels of the first, second, and third image layers, such as transparency, etc.; and the dynamic graph generating submodule is used for selecting each picture of the miscut processing submodule, keeping the video with the generation time of N, and generating the dynamic graph according to the layer.
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| CN112488977A (en) * | 2020-12-22 | 2021-03-12 | 北京达佳互联信息技术有限公司 | Image processing method and device, electronic equipment and storage medium |
| CN115660944A (en) * | 2022-10-27 | 2023-01-31 | 深圳市大头兄弟科技有限公司 | Dynamic method, device and equipment for static picture and storage medium |
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Denomination of invention: A method and device for converting static images into dynamic images Granted publication date: 20240607 Pledgee: China Co. truction Bank Corp Guangzhou Yuexiu branch Pledgor: GUANGZHOU GOMO SHIJI TECHNOLOGY Co.,Ltd. Registration number: Y2024980029336 |