NDLI: The Nonlinearity Error Analysis of 2D-PSD and Its Application in Medical Engineering

Content Provider	IEEE Xplore Digital Library
Author	Tianze Li Shuyun Wang
Copyright Year	2007
Description	Author affiliation: Shandong Univ. of Technol., Shandong (Tianze Li; Shuyun Wang)
Abstract	The structure, the characteristic and the principle of position sensitive detector (PSD) are expounded. By thoroughly analyzing the non-linearity provided by 2D-PSD, a new method using bridge theory to analyze the non-linearity is introduced. This method is very simpler in comparison with interpolation algorithms, optimization method of neural network and analytic method. The improved 2D-PSD signal debugging circuit board is designed and debugged by using front-end amplifier with low temperature drift and high precision and high-input impedance, summator, subtracter, divisor and other components. By using the improved 2D-PSD and continuous-emitting laser as optical source, a 3D non-contact optical measuring system with high precision is designed. This system can be used to measure the parameters of 3D object with anomalous form such as the abnormality of man's skin. Furthermore, combined with computer technology, tomography and chromatography, this high precision photoelectric device can be developed into various medical equipment, which have extremely wide application in the diagnosis of difficult pathological changes, especially in the early diagnosis of parameters for the abnormality of man's skin.
Starting Page	1097
Ending Page	1100
File Size	865740
Page Count	4
File Format	PDF
ISBN	9781424410774
DOI	10.1109/ICCME.2007.4381911
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biomedical optical imaging Error analysis Stimulated emission Bridge circuits Optical computing Position sensitive particle detectors Skin Optical sensors Medical diagnostic imaging Biomedical engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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