Image processing method and device, electronic device and storage medium

An image processing and image technology, applied in the field of image processing, can solve the problems of jumping at the boundary, loss of high-frequency information, and high complexity of image algorithms, achieving the purpose and advantages of being concise and easy to understand, and reducing complexity.

Pending Publication Date: 2022-05-17
ZHEJIANG DAHUA TECH CO LTD
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Problems solved by technology

However, if the quantization is relatively rough, a large amount of high-frequency information at the edge of the block will be lost, resulting in discontinuous jumps at the boundary of the block in the reconstructed image, which is the block effect.
[0003] In related technologies, in the solution to image deblocking effect, low-rank matrix restor

Method used

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  • Image processing method and device, electronic device and storage medium
  • Image processing method and device, electronic device and storage medium
  • Image processing method and device, electronic device and storage medium

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[0045] In order to understand the purpose, technical solution and advantages of the present application more clearly, the present application is described and illustrated below in conjunction with the accompanying drawings and embodiments.

[0046]Unless otherwise defined, the technical terms or scientific terms involved in the application shall have the general meanings understood by those skilled in the technical field to which the application belongs. In this application, words like "a", "an", "an", "the", "these" and the like do not denote quantitative limitations, and they may be singular or plural. The terms "comprising", "comprising", "having" and any variants thereof referred to in this application are intended to cover non-exclusive inclusion; for example, processes, methods and The system, product or device is not limited to the steps or modules (units) listed, but may include steps or modules (units) not listed, or may include other steps or modules inherent to the ...

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Abstract

The invention relates to an image processing method and device, an electronic device and a storage medium. The image processing method comprises the following steps: acquiring an image effect block to be processed in an image; the similarity between the to-be-processed image effect block and an image block in a preset search box is determined, a target similar block is obtained, and the target similar block is the image block with the minimum similarity with the to-be-processed image effect block in the preset search box; under the condition that the similarity between the target similar block and the to-be-processed image effect block is larger than the preset similarity, image information corresponding to the to-be-processed image effect block is kept, and the image information comprises pixel information and position information of the to-be-processed image effect block. Through the method and the device, the problem of high complexity of an image algorithm in related technologies is solved, and the complexity of the image algorithm is reduced.

Description

technical field [0001] The present application relates to the field of image processing, in particular to an image processing method, device, electronic device and storage medium. Background technique [0002] Currently, in coding standards, DCT (transform coding) technology is one of the important means for compressing images / videos. In the DCT-based compression coding system, if the DCT is performed on the entire image, since the transformed DCT coefficients are related to each pixel in the image, the amount of calculation will be quite large. Therefore, the DCT transformation used is based on pixel blocks, that is, the image is first divided into 8×8 pixel blocks, and then DCT is performed on each block to obtain 64 DCT coefficients, which greatly reduces the amount of calculation. However, since the DCT transformation is performed on each block separately, the correlation between pixel blocks is ignored. When quantizing the DCT coefficients of each block, the DCT coeff...

Claims

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Application Information

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IPC IPC(8): G06K9/62G06T5/10G06V10/50G06V10/74G06V10/75
CPCG06T5/10G06T2207/20052G06F18/22
Inventor 粘春湄方瑞东林聚财殷俊
Owner ZHEJIANG DAHUA TECH CO LTD
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