JPEG (Joint Photographic Experts Group) photo repairing method and device and related components
A repairing method, photo technique, applied in the field of image processing
Pending Publication Date: 2022-04-08
深圳软牛科技有限公司
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[0004] The purpose of the present invention is to provide a repair method, device and related components of a JPEG photo, aiming to solve the problem that the existing super-resolution map cannot maximize the use of retained data to obtain as comprehensive and effective information as possible
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[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0034] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof.
[0035] It should also be understood that the terminology used ...
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The invention discloses a JPEG (Joint Photographic Experts Group) photo repairing method, a JPEG photo repairing device and a related component. The method comprises the following steps: extracting a thumbnail of a JPEG photo and obtaining a hyper-divided graph; reading an original image of the JPEG photo, and filling lost pixels in the original image; obtaining an initial mask of the original image, searching and recording a damage target area with the largest area in the initial mask, and setting the pixel value of each pixel point in the initial mask to be 0; filling the corresponding position of the initial mask to obtain a target mask; performing pixel value conversion on the target mask to obtain a matched mask; updating all pixel points in the region with the pixel value of 255 in the target mask corresponding to the original image to 0; updating all pixel points in the region with the pixel value of 255 in the matching mask corresponding to the super-division image to 0; performing matrix addition on the hyper-divided image and the original image, and outputting a target photo; the target picture obtained by the method has a better visual effect than the super-divided picture, and more comprehensive and effective information is obtained by utilizing reserved data.
Description
technical field [0001] The invention relates to the field of image processing, in particular to a repair method, device and related components of a JPEG photo. Background technique [0002] At present, the photos taken by Android or iPhone mobile phones are all in jpeg format, which basically have thumbnails; in the case of network transmission terminal or local disk loss of some data, the original photos will be damaged, and the thumbnails will be extracted instead of the original photos. It should be noted that the information contained in the thumbnail loses a lot of details. [0003] Therefore, super-resolution technology is often used to process thumbnails to obtain super-resolution images with significantly improved effects. However, there is still a significant gap between the obtained super-resolution images and the original image, and it is not possible to maximize the use of retained data to obtain as comprehensive and effective images as possible. information. ...
Claims
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Inventor 李盛肖琳琳
Owner 深圳软牛科技有限公司