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A complexity optimization method and device based on panoramic video latitude characteristics

A technology of panoramic video and optimization method, applied in the field of panoramic video processing, can solve the problems of coding complexity and coding time increase, and achieve the effect of ensuring quality and reducing coding time.

Active Publication Date: 2021-08-31
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, it requires ultra-high resolution (4k or higher) to ensure visual experience, however this will lead to a sharp increase in encoding complexity and encoding time

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  • A complexity optimization method and device based on panoramic video latitude characteristics
  • A complexity optimization method and device based on panoramic video latitude characteristics
  • A complexity optimization method and device based on panoramic video latitude characteristics

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Embodiment Construction

[0075] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0076] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0077] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The present invention relates to a complexity optimization method and equipment based on the latitude characteristics of a panoramic video. First, it is measured through experiments that after the panoramic video is projected, the rate-distortion loss of the latitude areas on both sides under the same complexity change is lower than that of the middle latitude area. Rate-distortion loss; then by analyzing the impact of the complexity change of the current latitude region on the rate-distortion loss of the remaining latitude regions and the entire frame, the relationship between latitude and rate-distortion is established, and based on this model, a scheme for intra-frame complexity allocation is proposed; finally , combining the intra-frame complexity allocation method with the existing inter-frame complexity allocation method to form a complexity optimization method based on the latitude characteristics of panoramic video. The invention can effectively reduce the complexity and encoding time in the encoding process of the panoramic video.

Description

technical field [0001] The invention relates to the technical field of panoramic video processing, in particular to a complexity optimization method and equipment based on the latitude characteristics of panoramic video. Background technique [0002] Compared with traditional flat videos, panoramic videos allow users to watch videos from any angle, which significantly improves the audience's immersive experience. At the same time, it requires ultra-high resolution (4k or higher) to guarantee the visual experience, but this will lead to a sharp increase in encoding complexity and encoding time. Contents of the invention [0003] In view of this, the purpose of the present invention is to propose a complexity optimization method and device based on the latitude characteristics of panoramic video, which can effectively reduce the complexity and encoding time in the panoramic video encoding process. [0004] The present invention adopts the following schemes to realize: a com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/14H04N19/147H04N19/176H04N19/119H04N19/177
CPCH04N19/119H04N19/14H04N19/147H04N19/176H04N19/177
Inventor 徐艺文刘航李玮蒙赵铁松
Owner FUZHOU UNIV