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A method and system for automatic image adjustment

An automatic adjustment and image technology, applied in the field of image processing, can solve the problems of high cost, slow response speed, poor accuracy, etc., and achieve the effect of low cost, convenient observation, and optimization of contrast and signal-to-noise ratio.

Active Publication Date: 2015-08-05
上海惠影医疗科技有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide an image automatic adjustment method and system to solve the problems of slow response speed, high cost and poor precision existing in the automatic exposure control technology based on ionization chambers in the prior art

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  • A method and system for automatic image adjustment
  • A method and system for automatic image adjustment
  • A method and system for automatic image adjustment

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Embodiment Construction

[0043] In order to make the objectives, technical solutions and effects of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0044] See figure 1 , Which is a flowchart of the image automatic adjustment method of the present invention. As shown in the figure, the method includes the following steps:

[0045] S1. Set the initial exposure, collect the image according to the initial exposure, and divide the image into several areas;

[0046] S2. According to the importance of the information provided by different positions on the image, select the first module and the second module from the several areas, and set static weights for the first module and the second module respectively. The module is set to a high static weight, and the second module is set to a low static weight;

[0047] S3. Determine the static weights of the remaining areas except the first and second mo...

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Abstract

The invention discloses a method and system for automatically adjusting images. Firstly, photometric weights are distributed in a static mode, secondly, photometric weights are adjusted in a dynamic mode, and accordingly the brightness of the images can be adjusted in a dynamic mode, the contrast ratio and the signal to noise ratio can be optimized, and the images will be more conveniently observed. Furthermore, compared with an existing automatic exposure method, the method for automatically adjusting the images is lower in cost, more precise in photometry, more flexible to control and very good in market prospect.

Description

Technical field [0001] The present invention relates to the technical field of image processing, in particular to an image automatic adjustment method and system. Background technique [0002] With the development of modern science and technology, some advanced technical means and computer science and technology are constantly being applied in the medical field, especially in the field of radiological diagnosis and treatment. Computer image processing technology is playing an increasingly important role. [0003] At present, in dynamic imaging systems (for example, flat panel C), in order to maintain the best image quality, it is necessary to be able to adjust the exposure parameters in real time. However, the automatic exposure control technology based on the ionization chamber used in the traditional X-ray static imaging system cannot meet the above requirements. First, the ionization chamber system has complex loops and slow response speed; secondly, its deployment cost is high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00
Inventor 曹宇宁
Owner 上海惠影医疗科技有限公司
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