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Three-dimensional image quality evaluation method based on sparse binocular fusion convolutional neural network

A convolutional neural network and stereoscopic image technology, applied in the field of image processing, to achieve the effect of speeding up computing, reducing computing complexity, and improving evaluation performance

Inactive Publication Date: 2019-12-31
TIANJIN UNIV
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Problems solved by technology

But almost no one has applied SSL to the deep learning network for stereo image quality evaluation

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  • Three-dimensional image quality evaluation method based on sparse binocular fusion convolutional neural network
  • Three-dimensional image quality evaluation method based on sparse binocular fusion convolutional neural network
  • Three-dimensional image quality evaluation method based on sparse binocular fusion convolutional neural network

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Embodiment Construction

[0029] The present invention uses the public stereoscopic image library LIVE 3D Phase I and LIVE 3D Phase II to conduct experiments. The LIVE 3D Phase I image library contains 20 original stereoscopic image pairs and 365 symmetrically distorted stereoscopic image pairs. The distortion types include JPEG compression, JPEG 2000 compression, Gaussian blur Gblur, Gaussian white noise WN and fast decay FF. The DMOS values ​​​​are distributed in - 10 to 60. The LIVE 3D Phase II image library contains 8 original stereoscopic image pairs and 360 symmetrically distorted and asymmetrically distorted stereoscopic image pairs, of which 120 pairs are symmetrically distorted stereoscopic images, and 240 pairs are asymmetrically distorted stereoscopic images, and the distortion types include JPEG compression , JPEG 2000 compression, Gaussian blur Gblur, Gaussian white noise WN and fast decay FF, the DMOS value is distributed from 0 to 100.

[0030] The method is described in detail below in...

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Abstract

The invention discloses a three-dimensional image quality evaluation method based on a sparse binocular fusion convolutional neural network, and the method comprises the following steps: S1, constructing a three-dimensional image quality evaluation network based on the binocular fusion convolutional neural network, and the network comprises left and right branches and a fusion branch; and S2, applying a structured sparse constraint to each layer of the binocular fusion convolutional neural network, wherein an objective function of network optimization is shown as a formula (1). The three-dimensional image quality evaluation method of the patent is more accurate and efficient, better fits the human eye perception quality, is higher in operation speed, and promotes the development of a three-dimensional imaging technology to a certain extent.

Description

technical field [0001] The invention belongs to the field of image processing, and relates to the improvement and optimization of a stereoscopic image quality evaluation method, and the optimization of the calculation speed of a convolutional neural network for stereoscopic image quality evaluation, in particular to a stereoscopic image quality based on a sparse binocular fusion convolutional neural network evaluation method. Background technique [0002] Since viewing degraded stereoscopic images will cause visual fatigue and dizziness, stereoscopic image quality evaluation has become an urgent matter to be solved [1]. Stereoscopic image quality evaluation needs to consider factors such as depth information, disparity information, and binocular competition. Compared with planar image quality evaluation, stereoscopic image quality evaluation is more challenging. Generally, stereoscopic image quality evaluation can be divided into two methods: subjective evaluation and objec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N13/106G06N3/04G06N3/08
CPCH04N17/00H04N13/106G06N3/084H04N2013/0074G06N3/045
Inventor 李素梅韩旭
Owner TIANJIN UNIV
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