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Image encoding method, decoding method, encoding device, and decoding device

A technology of image encoding and encoding method, which is applied in the field of digital video compression encoding and decoding, can solve problems such as difficulty in finding matching methods, and achieve the effect of improving image compression effect

Active Publication Date: 2020-03-13
TONGJI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, any encoding method is only applicable to a certain type of encoded image area.
[0037] It is difficult to find a unified matching method for screen images with mixed coded image areas of various properties

Method used

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  • Image encoding method, decoding method, encoding device, and decoding device
  • Image encoding method, decoding method, encoding device, and decoding device
  • Image encoding method, decoding method, encoding device, and decoding device

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Embodiment Construction

[0107] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0108] Such as figure 1 As shown, the embodiment of the present invention provides an image coding method, the method comprising:

[0109] S10. Determine the coding mode of the coding block;

[0110] S20. Performing hybrid encoding on the encoding block using multiple encoding modes, including: encoding the pixel sample segment in the encoding block by using one of the multiple encoding modes.

[0111] The method can also include the following features:

[0112] Wherein, the encoding method includes one or more of the following encoding methods: palette encoding, block rep...

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PUM

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Abstract

The invention discloses an image coding method, which includes: determining the coding mode of the coding block; performing mixed coding on the coding block using multiple coding modes, including: adopting multiple coding modes for the pixel sample value segments in the coding block Encode in one of the encoding methods. The present invention also discloses an image decoding method, which includes: analyzing the code stream data of the decoded block, determining the decoding mode of the pixel sample value segment of the decoded block; performing mixed decoding of multiple decoding modes on the decoded block , including: decoding the pixel sample segment of the decoded block in a corresponding decoding manner. The invention can fully explore and utilize the characteristics of each coded image area in the image, and improve the image compression effect. The invention also discloses an image encoding device and an image decoding device.

Description

technical field [0001] The present invention relates to the technical field of digital video compression encoding and decoding, in particular to an image encoding method, an image decoding method, an image encoding device and an image decoding device. Background technique [0002] With the development and popularization of a new generation of cloud computing and information processing models and platforms with remote desktops as typical manifestations, the communication between multiple computers, between computer hosts and other digital devices such as smart TVs, smart phones, and tablets, and between various The interconnection between various digital devices has become a reality and is becoming a mainstream trend. This makes the real-time screen transmission from the server end (cloud) to the client end an urgent need at present. Due to the large amount of screen video data that needs to be transmitted, taking the 24-bit true-color screen image of a tablet computer with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/186H04N19/129H04N19/70H04N19/124
CPCH04N19/103H04N19/105H04N19/11H04N19/129H04N19/176H04N19/182H04N19/186H04N19/593
Inventor 林涛李明尚国强
Owner TONGJI UNIV