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Video encoding and decoding method, device, electronic equipment and storage medium

A technology of video coding and video data, applied in the field of video coding and decoding, can solve the problem of ineffective coding of objects that cannot be rotated, achieve the effect of recognition and efficient coding, and improve compression efficiency

Active Publication Date: 2021-06-15
ZHEJIANG SMART VIDEO SECURITY INNOVATION CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the above technical problems in the prior art, the embodiment of the present application proposes a video encoding and decoding method, device, electronic equipment and storage medium to solve the problem that the existing video compression technology cannot effectively encode the rotation of the object

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  • Video encoding and decoding method, device, electronic equipment and storage medium
  • Video encoding and decoding method, device, electronic equipment and storage medium
  • Video encoding and decoding method, device, electronic equipment and storage medium

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Embodiment Construction

[0044] In the following detailed description, numerous specific details of the application are set forth by way of example in order to provide a thorough understanding of the relevant disclosure. It will be apparent, however, to one skilled in the art that the application may be practiced without these details. It should be understood that the terms "system", "device", "unit" and / or "module" used in this application are used as a means to distinguish between different components, elements, parts or assemblies at different levels in a sequential arrangement. method. However, these terms may be replaced by other expressions if the same purpose can be achieved by other expressions.

[0045] It will be understood that when a device, unit or module is referred to as being "on," "connected to" or "coupled to" another device, unit or module, it can be directly on the other device, unit or module. connected or coupled to or communicate with other devices, units or modules, or interven...

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Abstract

The embodiment of the present application discloses a video encoding and decoding method, device, electronic equipment and storage medium. Wherein, the video encoding method includes: performing motion estimation on two frames of images in the video data, applying at least one angle of rotation to perform search calculation at each search position in the motion estimation process; combining all the search calculation results to obtain the most The position of the best reference image block and the motion vector with rotation angle information. In the embodiment of the present application, the motion vector with rotation angle information is obtained by searching the rotation of the object in the video frame image, thereby realizing the identification and high-efficiency encoding of the rotating moving object, and further improving the compression efficiency of video data.

Description

technical field [0001] The present application relates to the technical field of multimedia processing, and in particular to a video encoding and decoding method, device, electronic equipment and storage medium. Background technique [0002] Video is a dynamic image sequence formed by connecting pictures one by one. If every pixel data of each picture is directly stored, the bandwidth occupied by the video code stream will be immeasurable. The function of video codec is to compress and digitally encode the image after the camera captures the image to obtain a more optimized code stream with strong anti-interference ability for transmission. In essence, it is to transmit high-quality video data with the smallest possible bandwidth. A series of standards, from MPEG-1 to MPEG-2, from H.263, H.264 to H.265 (HEVC), and now H.266, are all aimed at optimizing the code stream, improving compression efficiency, Greater stability. [0003] Among them, the input of video encoding is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/139H04N19/176
CPCH04N19/139H04N19/176
Inventor 罗伟节向国庆葛强滕波洪一帆
Owner ZHEJIANG SMART VIDEO SECURITY INNOVATION CENT CO LTD
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