Pixel position determination method and device, electronic equipment and storage medium

A technique for determining pixel positions and methods, which is applied in electrical components, image communication, digital video signal modification, etc., and can solve problems such as high complexity of motion estimation

Pending Publication Date: 2022-03-15
SHENZHEN AIXIESHENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, motion estimation is required for all pixel locations, resulting in high complexity for determining motion estimation at pixel locations

Method used

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  • Pixel position determination method and device, electronic equipment and storage medium
  • Pixel position determination method and device, electronic equipment and storage medium
  • Pixel position determination method and device, electronic equipment and storage medium

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0034] It can be understood that the terms "first", "second", etc. used in the present application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first client could be termed a second client, and, similarly, a second client could be termed a first client, without departing from the scope of the present application. Both the first client and the second client are clients, but they are not the same client.

[0035] refer to figure 1 , figure 1 It...

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Abstract

The invention relates to a pixel position determination method and device, electronic equipment and a storage medium, and the method comprises the steps: sequentially calculating the position evaluation parameters of all predicted pixel positions according to the calculation sequence of all predicted pixel positions of M * N sub-blocks of a current coding block in a motion estimation process of display stream compression coding, stopping the calculation of the remaining predicted pixel positions until the position evaluation parameters meet the preset requirements; and selecting one of the calculated predicted pixel positions as a target pixel position for motion estimation of the M * N sub-blocks. By adopting the method, the complexity of motion estimation of the pixel position can be reduced.

Description

technical field [0001] The present application relates to the technical field of display stream compression, and in particular to a method, device, electronic device and storage medium for determining a pixel position. Background technique [0002] In order to achieve low-cost, visually lossless and high-efficiency video compression in the display link, many advanced compression coding tools are used in VDC-M, such as Block Prediction (BP), which divides the coding block into M*N sub-blocks , for example, an 8x2 coding block will be divided into 4 2x2 and 8 2x1 sub-blocks, and each 2x2 and 2x1 sub-block needs to move 64 positions at the adjacent coded pixel positions of the current coding block Estimate, and choose an optimal position as the optimal prediction position of the sub-block, so as to remove the spatial information redundancy. [0003] However, motion estimation is required for all pixel positions, resulting in high complexity in determining motion estimation for...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/42H04N19/186H04N19/51H04N19/523
CPCH04N19/42H04N19/186H04N19/51H04N19/523
Inventor 黄海鸥胡小江梁丕树李江城
Owner SHENZHEN AIXIESHENG TECH CO LTD
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