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11 January 2006 Study on color difference estimation method of medicine biochemical analysis
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Proceedings Volume 6033, ICO20: Illumination, Radiation, and Color Technologies; 60330F (2006) https://doi.org/10.1117/12.668070
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
The biochemical analysis in medicine is an important inspection and diagnosis method in hospital clinic. The biochemical analysis of urine is one important item. The Urine test paper shows corresponding color with different detection project or different illness degree. The color difference between the standard threshold and the test paper color of urine can be used to judge the illness degree, so that further analysis and diagnosis to urine is gotten. The color is a three-dimensional physical variable concerning psychology, while reflectance is one-dimensional variable; therefore, the estimation method of color difference in urine test can have better precision and facility than the conventional test method with one-dimensional reflectance, it can make an accurate diagnose. The digital camera is easy to take an image of urine test paper and is used to carry out the urine biochemical analysis conveniently. On the experiment, the color image of urine test paper is taken by popular color digital camera and saved in the computer which installs a simple color space conversion (RGB -> XYZ -> L*a*b*)and the calculation software. Test sample is graded according to intelligent detection of quantitative color. The images taken every time were saved in computer, and the whole illness process will be monitored. This method can also use in other medicine biochemical analyses that have relation with color. Experiment result shows that this test method is quick and accurate; it can be used in hospital, calibrating organization and family, so its application prospect is extensive.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chunhong Wang, Yue Zhou, Hongxia Zhao, Jiashi Sun, and Fengkun Zhou "Study on color difference estimation method of medicine biochemical analysis", Proc. SPIE 6033, ICO20: Illumination, Radiation, and Color Technologies, 60330F (11 January 2006); https://doi.org/10.1117/12.668070
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