Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Stereoscopic video perception and coding method for just-noticeable error model based on DOF

A technology of stereoscopic video coding and error model, applied in the field of video processing, can solve the problem of not fully reflecting the redundant information and dependencies of binocular parallax

Inactive Publication Date: 2015-03-25
XIDIAN UNIV
View PDF9 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method achieves bit rate control by calculating the target bit rate, which is aimed at the view layer, picture group layer, frame layer, slice group layer and macroblock layer respectively, by offsetting a disparity vector at each pixel position of the left view point , the obtained pixel brightness contrast is used to calculate the JND model, it will be too dependent on the left view point, and the threshold obtained based on the left view is used for the right view, which cannot fully reflect the redundant information of binocular disparity

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Stereoscopic video perception and coding method for just-noticeable error model based on DOF
  • Stereoscopic video perception and coding method for just-noticeable error model based on DOF
  • Stereoscopic video perception and coding method for just-noticeable error model based on DOF

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0077] Such as figure 1 Shown, the realization steps of the present invention are as follows:

[0078] Step 1. Calculate the brightness JND model based on DOF and parallax

[0079] 1a) Calculate the original luminance JND model LJND(x,y);

[0080] (1a1) Find the average background brightness value of each block

[0081] P ( x , y ) ‾ = 1 32 Σ i = 1 5 Σ j = 1 5 P ( x - 3 + i , y - 3 + j ) · B ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of video processing, and particularly relates to a stereoscopic video perception and coding method for a just-noticeable error model based on DOF. The method includes the steps that (1) a brightness JND model based on the DOF and parallax is calculated; (2) a texture JND model based on parallax is calculated; (3) the JND model DJND (x,y) based on the DOF is obtained according to a nonlinear combination model; (4) the JND model based on the DOF is used for stereoscopic coding by resetting quantization parameters. By means of the method, time, space and inter-view redundancy can be effectively eliminated, S3D video image quality and vision comfort are successfully improved, a texture and an edge area keep a very comfortable vision effect, and a stereoscopic video code rate is greatly lowered on the premise that stereoscopic visual perception quality is improved and maintained.

Description

technical field [0001] The invention belongs to the technical field of video processing, and in particular relates to a perceptual stereoscopic video coding method, in particular to a perceptual stereoscopic video coding method based on a DOF just perceptible error model. Background technique [0002] With the rapid development of 3D stereoscopic video media technology, people's demand for realistic visual experience is gradually increasing. S3D video captured by stereo cameras can provide users with a more vivid experience. Unfortunately, compared with the real scene, S3D display often produces some distortions in the 3D effect, and these distortions can stimulate human binocular vision, causing discomfort and visual fatigue. They are usually caused by inappropriate screen parallax, large parallax differences, and unnatural blurring and sharpening. Therefore, for stereoscopic video perception coding, it is very necessary to effectively improve visual comfort and video qua...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04N19/597H04N19/117H04N19/147H04N19/124
Inventor 郑喆坤薛飞刘红民崔玉金重圭尹仁龙权炳贤
Owner XIDIAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com