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Solid image in-depth perception and objective evaluating method

An objective evaluation method and stereoscopic image technology, applied in image enhancement, image analysis, image data processing, etc.

Active Publication Date: 2014-06-04
郎溪品旭科技发展有限公司
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Problems solved by technology

Depth perception can be reflected by disparity information or depth information. However, due to the limitations of current disparity estimation and depth estimation techniques, how to effectively evaluate the quality of depth images or disparity images to truly represent the characteristics of stereo perception is still an objective task of stereo image quality. One of the difficult questions in the evaluation

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  • Solid image in-depth perception and objective evaluating method
  • Solid image in-depth perception and objective evaluating method

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Embodiment Construction

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] An objective evaluation method for stereoscopic image depth perception proposed by the present invention, its overall realization block diagram is as follows figure 1 As shown, it specifically includes the following steps:

[0040] ① Order S org represents the original undistorted stereo image, let S dis represents the distorted stereo image to be evaluated, and S org The left view image of is denoted as {L org (x,y)}, the S org The right view image of is denoted as {R org (x,y)}, the S dis The left view image of is denoted as {L dis (x,y)}, the S dis The right view image of is denoted as {R dis (x, y)}, where (x, y) represents the coordinate position of the pixel in the left-viewpoint image and the right-viewpoint image, 1≤x≤W, 1≤y≤H, W represents the left-viewpoint image and the right-viewpoint The width of the image, H repr...

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Abstract

The invention discloses a solid image in-depth perception and objective evaluating method. Firstly, local phases of each pixel in a primitive undistorted solid image and a distorted solid image to be evaluated under the selected center frequency and factors of different directions are calculated; the parallax error skewing vector of each pixel in the primitive undistorted solid image and the distorted solid image to be evaluated under the selected center frequency is obtained and the objective evaluation metric of each pixel in the distorted solid image to be evaluated is obtained according to the parallax error skewing vector; finally, the in-depth perception and objective evaluating predicting value of the distorted solid image to be evaluated is obtained. The solid image in-depth perception and objective evaluating method has the advantage that the parallax error skewing vector has strong stability and can well reflect in-depth perception changes of the solid images, thus the correlation between the objective evaluating result and the subjective perception can be effectively improved.

Description

technical field [0001] The invention relates to an image quality evaluation method, in particular to an objective evaluation method for stereoscopic image depth perception. Background technique [0002] With the rapid development of image coding technology and stereoscopic display technology, stereoscopic image technology has received more and more attention and applications, and has become a current research hotspot. Stereoscopic image technology utilizes the binocular parallax principle of the human eye. Both eyes independently receive left and right viewpoint images from the same scene, and form binocular parallax through brain fusion, so as to enjoy a stereoscopic image with a sense of depth and realism. Due to the influence of acquisition system, storage compression and transmission equipment, stereoscopic images will inevitably introduce a series of distortions. Compared with single-channel images, stereoscopic images need to ensure the image quality of two channels at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00
Inventor 邵枫胡朝正姜求平李福翠
Owner 郎溪品旭科技发展有限公司
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