Stereo image comfort degree evaluation based on multi-scale space theory and non-salient region map

A multi-scale, comfortable technology, applied in image analysis, stereo system, image communication, etc., can solve problems such as discomfort

Inactive Publication Date: 2018-08-14
TIANJIN UNIV
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However, stereoscopic display is a serious problem: many pe...

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  • Stereo image comfort degree evaluation based on multi-scale space theory and non-salient region map
  • Stereo image comfort degree evaluation based on multi-scale space theory and non-salient region map
  • Stereo image comfort degree evaluation based on multi-scale space theory and non-salient region map

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Embodiment Construction

[0029] The present invention relates to the formation of 3D non-saliency maps, 3D significant weighted disparity maps and 3D non-saliency weighted disparity maps. The method of describing the comfort of the image by extracting the characteristics of the relevant disparity value. The present invention relates to the formation of 3D non-saliency maps, 3D significant weighted disparity maps and 3D non-saliency weighted disparity maps. The method of describing the comfort of the image by extracting the characteristics of the relevant disparity value. The present invention mainly makes three innovative improvements to the traditional stereo image comfort evaluation method. One is that it is not enough to evaluate the discomfort of human eyes to stereoscopic images by using feature information in the salient areas of the image. On this basis, the present invention generates a stereo insignificant image and a stereo insignificant weighted disparity map, because when the salient area...

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Abstract

The invention relates to a stereo image comfort degree evaluation based on a multi-scale space theory and a non-salient region map. A distortion image pair is set as (Dl, Dr), and the method comprisesthe following steps: 1) computing 2D salient map SSal of the Dr; 2) respectively obtaining a disparity map D with the same size as an original image and two D1/4 disparity maps of down-sampling disparity map with the 1/4 size of the original image; 3) for two disparity maps, respectively extracting disparity statistical features, and placing two groups of feature vectors and a mean opinion scoreMOS into two SVW regression training networks; respectively extracting two groups of disparity statistical features through linear regression training by using two support vectors, and performing iterative training so as to obtain the comfort degree quality score finally.

Description

Technical field [0001] The invention belongs to the field of digital image processing and relates to a method for evaluating the comfort of a stereo image. Background technique [0002] With the rapid development of stereoscopic display technology, 3D images / videos are widely used in various fields of life and provide humans with a brand new way of image / video experience. Compared with traditional 2D images / videos, stereo vision displays provide depth information and improve the realism and immersion of the scene. However, stereoscopic display is a serious problem: many people feel uncomfortable when watching stereoscopic images / videos. Therefore, the safety and health of viewing stereo images / videos need to be resolved urgently. Therefore, the visual comfort of stereo vision has always been a major challenge in stereo vision research. [0003] The term "visual discomfort" is generally used to refer to the subjective feeling of discomfort associated with stereoscopic images. Se...

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Application Information

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IPC IPC(8): H04N13/128H04N17/00G06T7/00
Inventor 杨嘉琛刘佳成
Owner TIANJIN UNIV
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