Image quality evaluation system and method

An image quality and image technology, applied in image communication, television, electrical components, etc., can solve the problems of low degree of system integration automation, difficult quantitative evaluation, and many factors affecting satellite image quality.

Inactive Publication Date: 2016-03-23
SPACE STAR TECH CO LTD
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Problems solved by technology

[0004] The embodiment of the present invention provides an image quality evaluation system and method, which is used to solve the problem that the satellite image quality in the prior art is affected by various factors, involves many visible light / infrared spectrum segments, is difficult to quantitatively evaluate, and the degree of automation of system integration lower question

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Embodiment Construction

[0045]In order to solve the problems in the prior art that the quality of satellite images is affected by many factors, involves many visible light / infrared spectrum segments, is difficult to quantitatively evaluate, and has a low degree of automation in system integration, an image quality Evaluation system, the system includes: data integrity check module, image radiation quality check module, geometric quality check calculation module, space-time transformation analysis module, band registration check module, quality result archiving module, data integrity check module, used for Visible light / infrared remote sensing images read metadata and auxiliary data, and perform file integrity detection on metadata and auxiliary data, and generate data integrity inspection reports; image radiation quality inspection module is used to perform full image or selected area images Image radiation quality inspection, and generate image radiation quality inspection report; geometric quality i...

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Abstract

The invention discloses an image quality evaluation system and an image quality evaluation method, which overcomes the problem in operational running of the existing remote sensing satellite application system, that capacity for evaluating quality of a visible light / infrared remote sensing image product and content related to quality evaluation are insufficient, and provides a visible light / infrared remote sensing image product quality evaluation system, for solving the problem about quality evaluation during automatic production processes of visible light / infrared remote sensing image 0-4 grade products, and meanwhile solving the problem of judging whether the satellite visible light / infrared camera load has calibration requirement during the on-orbit period.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to an image quality evaluation system and method. Background technique [0002] Space cameras are the most important remote sensors in space remote sensors. The quality of remote sensing images obtained by space cameras can reflect the performance of remote sensors. Therefore, image quality evaluation is very important, and image quality evaluation can also evaluate the performance of image processing algorithms. The quality evaluation of remote sensing images generally has two kinds of subjective evaluation methods and objective evaluation methods. The subjective evaluation method is to evaluate the image quality by human beings, and the objective evaluation method is to extract the characteristic parameters of the image, establish a mathematical model between the characteristic parameters and image quality, and objectively evaluate the image quality through the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00
CPCH04N17/00
Inventor 方舟解蕾陈元伟
Owner SPACE STAR TECH CO LTD
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