Machine-oriented universal coding method

An encoding method and machine technology, applied in the field of video/image encoding, can solve problems such as insufficient compression and encoding requirements, and insufficient application scope, and achieve the effect of reducing the amount of calculation and the burden of transmission.

Active Publication Date: 2020-01-07
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

[0003] In the existing technology, the international standard for compact descriptors for visual search (CDVS, Compact Descriptors for Visual Search) attempts to achieve video / image feature compression for retrieval tasks, but the scope of application is not wide enough to meet the needs of future intelligent applications for compression coding

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Embodiment Construction

[0013] The following describes the technical solutions in the embodiments of the present invention clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0014] For the existing and even possible future intelligent analysis tasks of multiple machines, a common coding framework is defined for videos / images to realize the coding of video / image feature information required for each task, thereby improving the efficiency of intelligent task analysis and reducing Transmission pressure, support for edge analysis and computing, and other possible future needs.

[0015] The embodiment of the present inven...

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Abstract

The invention discloses a machine-oriented universal coding method, which comprises the following steps of: a compression coding stage: for different machine intelligent analysis tasks, compressing corresponding video or image data by adopting an independent task mode and / or a multi-task sharing mode to obtain corresponding feature information; putting the feature information into a code stream corresponding to the video or image data, and giving annotation information required in decoding in combination with a compression mode, thereby obtaining a feature code stream; and a decoding stage: reading header information of the feature code stream, determining a compression mode used in the compression stage according to annotation information in the header information so as to read the feature information in a corresponding mode, and taking the feature information as input of a machine intelligent analysis task to obtain an analysis result. Coding of video / image feature information required by each task can be realized, so that the intelligent task analysis realization efficiency is improved, the transmission pressure is reduced, and future possible requirements of edge analysis calculation and the like are supported.

Description

Technical field [0001] The present invention relates to the technical field of video / image coding, in particular to a general machine-oriented coding method. Background technique [0002] Existing video / image compression standards are mainly aimed at compression for the human eye. As machine learning algorithms mature, machine intelligence analysis tasks have gradually begun to be applied to various fields of human social life and production, such as smart factories and smart Cities, smart transportation, etc. The realization of this series of applications is often accompanied by the analysis of a large amount of video / image data. The traditional human eye-oriented compression method is adopted. Before the analysis, the decoding operation of the code stream is required to obtain the complete video / image, which will not only bring a heavy burden to the transmission, but also It will also cause delays, lead to poor user experience, analysis errors, and even more serious problems. ...

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Application Information

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IPC IPC(8): H04N19/85H04N19/46H04N19/103
CPCH04N19/103H04N19/46H04N19/85
Inventor 陈志波孙思萌
Owner UNIV OF SCI & TECH OF CHINA
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