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Intra-frame coding platform and method applying image block analysis

An image block and intra-frame coding technology, applied in the field of intra-frame coding, can solve the problem of not considering the uniformity of noise distribution, and achieve the effect of flexible design and wide application

Inactive Publication Date: 2021-03-19
杨明
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Problems solved by technology

[0005] At present, the uniformity of noise distribution is not taken into account when performing specific image block segmentation for intra-frame coding. In fact, when the noise distribution is uniform, smaller image blocks are required to obtain a larger number of Image segmentation, so as to obtain high-quality encoded data, and when the noise distribution is uneven, larger image segmentation is required to improve the self-error correction and anti-interference ability of a single image segmentation

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Embodiment Construction

[0027] The implementation of the intra-frame coding platform and method applying image block analysis of the present invention will be described in detail below.

[0028] Image region segmentation is an image processing technique. The purpose of image region segmentation is to divide the region of an object from the image, that is, to find out the set of pixels corresponding to the object or the surface of the object. They appear as two-dimensional clumps, which is one of the basic shape characteristics of the region. .

[0029] An image is often distributed on it by a variety of species, and different species occupy a certain part. In order to distinguish the part or parts we are interested in from an image, we must divide an image by Different species are divided into several different areas, which is called area segmentation. The purpose of region segmentation is to facilitate the extraction of a small number of features that are distinguishable, reliable, and independent...

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Abstract

The invention relates to an intra-frame coding platform and a method applying image block analysis, and the platform comprises a strategy recognition mechanism which is used for determining the numberof image blocks obtained through the segmentation of a customized sharpened image based on the received distribution uniformity level and the resolution of the customized sharpened image; an intra-frame coding device connected with the strategy identification mechanism and is used for performing intra-frame coding on the customized sharpened image based on each image block acquired by the strategy identification mechanism; and a channel transmission device used for sending the encoded compressed image data to a far-end communication receiving end. The intra-frame coding platform and the method applying image block analysis are flexible in design and wide in application. Due to the fact that intelligent segmentation of the image blocks needed by intra-frame coding is achieved based on theimage noise distribution uniformity degree and the image resolution detected on site, customization of the intra-frame coding mode based on the specific content of the image is achieved.

Description

technical field [0001] The invention relates to the field of intra-frame coding, in particular to an intra-frame coding platform and method applying image block analysis. Background technique [0002] Intra-frame coding (English: Intra Coding, also known as intra-picture coding) in high-efficiency video coding (HEVC) can be regarded as an extension of advanced video coding (Advanced Video Coding, H.264 / AVC), because they all use Spatial sampling prediction to encode, and intra-frame coding of high-efficiency video coding includes the following basic elements: [0003] Based on Quadtree coding structure, there are 33 kinds of prediction directions Angular Prediction (AngularPrediction) Generate smooth sampling surface by Planar Prediction Reference sampling Adaptive smoothness filtering Prediction block boundary samples according to the prediction mode The residual transform (Residual Transform) and coefficient scanning (Coefficient Scanning) are based on the intra-mode codi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/593H04N19/136H04N19/176H04N19/167
CPCH04N19/136H04N19/167H04N19/176H04N19/593
Inventor 杨明
Owner 杨明
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