High-efficiency super-resolution imaging device and method with regional management

A super-resolution, imaging device technology, applied in image enhancement, image analysis, image data processing and other directions, can solve the problems of long imaging time and low resolution, improve image quality, improve reconstructed image resolution, shorten imaging effect of time

Inactive Publication Date: 2016-06-15
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the above defects in the prior art, and propose a high-efficiency super-resolution imaging device and metho

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  • High-efficiency super-resolution imaging device and method with regional management
  • High-efficiency super-resolution imaging device and method with regional management
  • High-efficiency super-resolution imaging device and method with regional management

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Embodiment 1

[0052] refer to figure 1 , the present invention includes an imaging lens group 1, a high-resolution detector 2, an image storage module 3, an image preprocessing module 4, an image super-resolution reconstruction module 5, and an image display and output module 6, wherein the high-resolution detector 2 is located at On the rear focal plane of the imaging lens group 1, all the other modules are connected sequentially; the image preprocessing module is composed of the sample image denoising sub-module 41, the deblurring sub-module 42 and the sample block sub-module 43, and the image super-resolution reconstruction module 5 It consists of an image regionalization management module 51 and a dictionary training and regionalization reconstruction module 52.

[0053] Imaging lens group 1 adopts a zoom imaging lens group, because the sample image requires relatively rich scene information, so the longest focal length of the lens group is used to obtain the optical signals of multiple...

Embodiment 2

[0089] The structure of embodiment 2 is the same as embodiment 1, only the following parameters are adjusted:

[0090] Sub-block size K=50, sub-region size O=100, number of overlapping pixels between adjacent sub-regions P=3.

Embodiment 3

[0092] The structure of embodiment 3 is the same as embodiment 1, only the following parameters are adjusted:

[0093] Sub-block size K=100, sub-region size O=150, number of overlapping pixels between adjacent sub-regions P=6.

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Abstract

The invention provides a high-efficiency super-resolution imaging device and method with regional management, and aims at solving the problem that an existing super-resolution imaging device and method is long in imaging time and low in resolution. The imaging device comprises an imaging lens group, a high-resolution detector, an image storage module, an image pre-processing module, an image super-resolution reconstruction module and an image output display module connected successively, wherein the image super-resolution reconstruction module is composed of an image regional management sub-module and a dictionary training and regional reconstruction sub-module. The imaging method comprises the following steps of obtaining optical signals of a practical scene; obtaining low-resolution images; storing the low-resolution images; preprocessing the images; carrying out regional image management; training dictionaries and reconstructing super-resolution areas, and splicing images of the reconstructed super-resolution sub-regions. The imaging device and method can be used to improve the imaging resolution effectively and shorten the imaging time, and applied to the fields including video monitoring, satellite remote-sensing imaging and medical imaging.

Description

technical field [0001] The invention belongs to the technical field of image reconstruction, and in particular relates to an efficient super-resolution imaging device and method for image sub-area management, which can be used in fields such as video monitoring, satellite remote sensing imaging, and medical imaging. Background technique [0002] With the rapid development of technologies such as high-definition digital television, satellite remote sensing imaging, and medical imaging, the country's economic and social development requires higher and higher resolution imaging. The most direct way to improve the resolution is to increase the focal length of the optical system or reduce the size of the CCD pixel unit. However, increasing the focal length of the system will increase the volume of the imaging system and increase the cost; reducing the size of the CCD pixel will introduce image noise, etc. Therefore, the method of comprehensive software processing has become the f...

Claims

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Application Information

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IPC IPC(8): G06T5/50G06T5/00G06T3/40
CPCG06T5/50G06T3/4038G06T5/002G06T5/003G06T2207/10004G06T2207/20081
Inventor 徐军王怡蔡祎霖宫睿徐骏宋野
Owner XIDIAN UNIV
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