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Light equal-thickness interference image data processing system

A data processing system and interference image technology, applied in the field of image processing, can solve the problems of large measurement error, long measurement time, difficult reading, etc., and achieve the effects of small measurement error, short measurement time, and simple reading

Active Publication Date: 2019-12-17
NANJING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

[0004] The present invention aims at problems such as difficulty in reading, long measurement time, easy to cause visual fatigue, relatively large measurement errors in traditional manual reading methods, and inconvenient long-term continuous observation and storage of image information in current equal-thickness interference experiments. Optical equal thickness interference image data processing system

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  • Light equal-thickness interference image data processing system
  • Light equal-thickness interference image data processing system
  • Light equal-thickness interference image data processing system

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Embodiment Construction

[0030] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] The equal thickness interference image data processing system of light comprises the following steps:

[0032] Step 1, image capture.

[0033] Obtaining clear Newton ring interference images is the key to digital processing of equal thickness interference patterns. Therefore, a height-adjustable CCD imaging system is loaded on the eyepiece of the reading microscope to capture higher-resolution Newton ring interference images.

[0034] Step 2, enhance the contrast.

[0035] The currently more commonly used histogram equalization enhancement algorithm is adopted.

[0036] Step 3, grayscale.

[0037] For images with enhanced contrast, further grayscale processing is required to make the three values ​​of the image G, R, and B equal to the grayscale value; the weighted method is used to grayscale, and g x (i,j) is the gray val...

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Abstract

According to the light equal-thickness interference image data processing system provided by the invention, a CCD camera is used for acquiring a clear Newton ring image, and then the image is subjected to graying, binarization, refinement and the like, so that the image quality is effectively improved. And then the radius of the circular ring is measured and calculated by taking three pixel pointson the interference circular ring. And finally the curvature radius is substitute into a curvature radius calculation formula to calculate the curvature radius of the plano-convex lens. Compared withthe prior art, reading is simple, measurement time is short, visual fatigue of a user cannot be caused, the measurement error of a traditional manual reading method is large, the measurement error ofthe method is small, and the problem that current manual reading is inconvenient for long-time continuous observation and image information storage is solved.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a light equal-thickness interference image data processing system. Background technique [0002] Image processing is a very popular topic at present, and it has a wide range of applications in aerospace and aviation technology, biomedical engineering, communication engineering, industry and engineering, military and public security, culture and art, etc. Image processing technology is a technology that uses computers to process image information, mainly including image digitization, image enhancement and restoration, image data coding, image segmentation, and image recognition. Image processing is aimed at images with low visual effects, and outputs images with improved effects as much as possible. [0003] The equal-thickness interference experiment is a basic experiment in the teaching of college physics experiments. Widely used in scientific research and industrial ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/136G06T7/194
CPCG06T7/136G06T7/194G06T2207/20024G06T2207/20192G06T5/77G06T5/70
Inventor 李永涛王明时启亮谭鑫潘振邦丁寅
Owner NANJING UNIV OF POSTS & TELECOMM