Image forecasting method and related device

A prediction method and prediction direction technology, applied in the field of image processing, can solve the problem of high computational complexity

Active Publication Date: 2015-02-18
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the 1990s, video coding experts have realized the prevalence of irregular motion, hoping to improve video quality by introducing irregular motion models (such as non-translational motion models such as affin

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  • Image forecasting method and related device
  • Image forecasting method and related device

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Embodiment Construction

[0112] Embodiments of the present invention provide an image prediction method and a related device, in order to reduce the computational complexity of image prediction based on a non-translational motion model.

[0113] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0114] Each will be described in detail below.

[0115] The terms "first", "second", "third", "fourth" and the like in ...

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Abstract

The invention discloses an image forecasting method and a related device. The image forecasting method includes: confirming K1 pixel samples in an image block x, and confirming a candidate movement information unit set corresponding to each of the K1 pixel samples; enabling each candidate movement information unit set corresponding to each pixel sample to include at least one candidate movement information unit; confirming a merger movement information unit set i which includes K1 movement information units; using a non-translation movement model and the merger movement information unit set i to forecast pixel values of the image block x, wherein all the movement information units in the merger movement information unit set i are respectively selected from at least a part of the movement information units in the candidate movement information unit sets corresponding to the different pixel samples in the K1 pixel samples. The image forecasting method and the related device facilitate reduction of computation complexity of image forecasting based on the non-translation movement model.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image prediction method and a related device. Background technique [0002] With the development of photoelectric acquisition technology and the growing demand for high-definition digital video, the amount of video data is increasing. The limited heterogeneous transmission bandwidth and diversified video applications continue to put forward higher requirements for video coding efficiency. The formulation of High Efficient Video Coding (English: high efficient video coding, abbreviation: HEVC) standard was started due to need. [0003] The basic principle of video coding and compression is to use the correlation between space domain, time domain and code words to remove redundancy as much as possible. The current popular practice is to use a block-based hybrid video coding framework to achieve video coding compression through steps such as prediction (includin...

Claims

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Application Information

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IPC IPC(8): H04N19/119H04N19/182H04N19/159H04N19/513
CPCH04N19/176H04N19/147H04N19/103H04N19/182H04N19/537H04N19/567H04N19/105H04N19/119H04N19/523H04N19/172H04N19/51
Inventor 陈焕浜林四新梁凡
Owner HUAWEI TECH CO LTD
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