Image deformation processing method, device and storage medium

Patent metadata

Field	Value
Publication number	US-10282818-B2
Application number	US-201715696579-A
Country	US
Kind code	B2
Filing date	Sep 6, 2017
Priority date	Jul 30, 2015
Publication date	May 7, 2019
Grant date	May 7, 2019

Abstract

An image deformation method and an image deformation device are provided. The method includes: acquiring an original image, and acquiring a target shape; deforming the original image into a target image based on a ratio of deformation at a center of the original image to deformation at an edge of the original image, wherein the further the edge of the target image is away from the center of the target image, the greater a deforming degree of the edge of the target image is, and a shape of the target image is the target shape; and displaying the target image.

First claim

The invention claimed is:

1. An image deformation method, comprising:
acquiring, by a processor, an original image, wherein the original image has a geometric point center, and acquiring a target shape;
deforming, by the processor, the whole original image into a target image based on a ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image, further comprising:
fragmenting the original image into a plurality of image fragments;
for each of the plurality of image fragments:
deforming the image fragment based on: (i) the ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image and (ii) a corresponding distance between the image fragment and the geometric point center in the original image such that:
the further the image fragment is away from the geometric point center in the original image, the greater a deforming degree of a deformed counterpart image fragment of the image fragment in the target image; and

stitching all the plurality of deformed image fragments to form the target image; and

displaying, by the processor, the target image.

2. The image deformation method according to claim 1 , wherein the acquiring a target shape comprises:
receiving a drawn graph, and determining a shape of the drawn graph as a target shape; or
receiving a graph selected from predefined graphs, and determining a shape of the selected graph as a target shape.

3. The image deformation method according to claim 1 , wherein the fragmenting the original image comprises:
fragmenting the original image into the image fragments, wherein the further an image fragment is away from the geometric point center of the original image, the smaller an area of the image fragment is.

4. The image deformation method according to claim 1 , wherein before deforming the whole original image into the target image, the image deformation method further comprises:
receiving a command of dragging the original image to the target shape, or receiving a command of selecting the target shape.

5. The image deformation method according to claim 1 , wherein after the displaying the target image, or before the deforming the whole original image into a target image, the image deformation method further comprises:
displaying an adjusting interface for a deforming proportion parameter; and
receiving a value of the deforming proportion parameter.

6. The image deformation method according to claim 5 , wherein the adjusting interface comprises:
an interface for adjusting the deforming proportion parameter through a slider; or
an interface for adjusting the deforming proportion parameter through a parameter input box.

7. An image deformation device, comprising one or more processors, configured to execute program instructions stored on storage medium to cause the image deformation device to:
acquire an original image, wherein the original image has a geometric point center;
acquire a target shape;
deform the whole original image into a target image based on a ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image, further comprising:
fragment the original image into a plurality of image fragments;
for each of the plurality of image fragments:
deform the image fragment based on: (i) the ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image and (ii) a corresponding distance between the image fragment and the geometric point center in the original image such that:
the further the image fragment is away from the geometric point center in the original image, the greater a deforming degree of a deformed counterpart image fragment of the image fragment in the target image; and

stitch all the plurality of deformed image fragments to form the target image; and

display the target image.

8. The image deformation device according to claim 7 , wherein the one or more processors executes the program instructions to make the image deformation device further to:
receive a drawn graph, and determine a shape of the drawn graph as a target shape; or
receive a graph selected from predefined graphs, and determine a shape of the selected graph as a target shape.

9. The image deformation device according to claim 7 , wherein the one or more processors executes the program instructions to make the image deformation device further to:
fragment the original image into the image fragments, wherein the further an image fragment is away from the geometric point center of the original image, the smaller an area of the image fragment is.

10. The image deformation device according to claim 7 , wherein the one or more processors executes the program instructions to make the image deformation device further to:
receive a command of dragging the original image to the target shape, or receive a command of selecting the target shape before deforming the original image into the target image.

11. The image deformation device according to claim 7 , wherein the one or more processors executes the program instructions to make the image deformation device further to:
display an adjusting interface for a deforming proportion parameter after displaying the target image or before deforming the original image into the target image; and
receive a value of the deforming proportion parameter.

12. The image deformation device according to claim 11 , wherein the one or more processors executes the program instructions to make the image deformation device further to:
display an interface for adjusting the deforming proportion parameter through a slider; or
display an interface for adjusting the deforming proportion parameter through a parameter input box.

13. A non-volatile computer-readable storage medium, comprising a program instruction, wherein the program instruction, when executed by a processor of a calculating device, configures the storage medium to perform an image deformation method, and the method comprises:
acquiring an original image, wherein the original image has a geometric point center, and acquiring a target shape;
deforming the whole original image into a target image based on a ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image, further comprising:
fragmenting the original image into a plurality of image fragments;
for each of the plurality of image fragments:
deforming the image fragment based on: (i) the ratio of deformation at the geometric point center of the original image to deformation at an edge of the original image and (ii) a corresponding distance between the image fragment and the geometric point center in the original image such that:
the further the image fragment is away from the geometric point center in the original image, the greater a deforming degree of a deformed counterpart image fragment of the image fragment in the target image; and

stitching all the plurality of deformed image fragments to form the target image; and

displaying, by the processor, the target image.

14. The non-volatile computer-readable storage medium according to claim 13 , wherein the acquiring a target shape comprises:
receiving a drawn graph, and determining a shape of the drawn graph as a target shape; or
receiving a graph selected from predefined graphs, and determining a shape of the selected graph as a target shape.

15. The non-volatile computer-readable storage medium according to claim 13 , wherein the fragmen

Assignees

• Tencent Tech Shenzhen Co Ltd

Inventors

• Chen Xiaoyi
• Lu Yang
• Feng Hao

Classifications

• G06T3/403 Primary

  Edge-driven scaling; Edge-based scaling · CPC title

• G06T3/00 Primary

  Geometric image transformations in the plane of the image · CPC title

• G06T3/04 Primary

  Context-preserving transformations, e.g. by using an importance map (panospheric to cylindrical image transformations G06T3/12) · CPC title