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Image repairing method and image repairing device

A technology in images and images, applied in the field of image processing, can solve problems such as similar blocks are not similar enough, image restoration is unsuccessful, etc., to achieve the effect of improving accuracy

Inactive Publication Date: 2019-08-30
PEKING UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the similar blocks collected by the above methods may not be similar enough, resulting in unsuccessful image inpainting

Method used

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  • Image repairing method and image repairing device
  • Image repairing method and image repairing device
  • Image repairing method and image repairing device

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Embodiment Construction

[0029] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0030] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0031] figure 1 A schematic flowchart of an image inpainting method according to an embodiment of the present invention is shown.

[0032] like figure 1 As shown, the image patching method accordi...

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Abstract

The invention provides an image repair method and an image repair device. The image repair method includes determining at least one missing block containing unknown pixel points in an image to be repaired; for any missing block among the at least one missing block, clustering to obtain a similar block of the any missing block, so as to form a category obtained by clustering of the any missing block; forming a matrix having low-rank property according to the category obtained by clustering of the any missing block; adopting a nuclear norm to approach the rank of the matrix, and adopting a singular value threshold method to solve the matrix; and repairing any missing block in the image to be repaired according to the value after solving the matrix. The technical scheme of the invention improves accuracy of repairing the missing blocks in the image, and effectively achieves the purpose of repairing the image with the missing blocks.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image repair method and an image repair device. Background technique [0002] The purpose of image inpainting is to restore the image with incomplete parts to its original appearance as much as possible. Self-similarity is ubiquitous in natural images, such as repeated patterns and structures, etc. These self-similarities contain some complementary information, which is very helpful for image repair. [0003] In the field of image inpainting, the method of error concealment is being widely studied, and the error concealment method mainly uses the self-similarity of image / video or the correlation in time / space to process the image. A traditional error concealment approach is to use a Bayesian model to estimate missing pixels in an image, given a corrupted image, to maximize the conditional probability of unknown pixels by existing pixels. Besag et al. apply t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T3/40
Inventor 李马丁夏思烽刘家瑛郭宗明
Owner PEKING UNIV
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