Color Recognition System for Urine Analyzer

被引：1

作者：

Zhu Lianqing ^{[1
,2
]}

Wang Zicai ^{[1
]}

Lin Qian ^{[2
]}

Dong Mingli ^{[2
]}

机构：

[1] Harbin Inst Technol, Harbin 150001, Peoples R China

[2] Beijing Informat Sci & Technol Univ, Beijing 100192, Peoples R China

来源：

6TH INTERNATIONAL SYMPOSIUM ON PRECISION ENGINEERING MEASUREMENTS AND INSTRUMENTATION | 2010年 / 7544卷

关键词：

Urine analysis; Color recognition; linear CCD; CPLD;

D O I：

10.1117/12.885816

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In order to increase the speed of photoelectric conversion, a linear CCD is applied as the photoelectric converter instead of the traditional photodiode. A white LED is used as the light source of the system. The color information of the urine test strip is transferred into the CCD through a reflecting optical system. It is then converted to digital signals by an A/D converter. The test results of urine analysis are obtained by a data processing system. An ARM microprocessor is selected as the CPU of the system and a CPLD is employed to provide a driving timing for the CCD drive and the A/D converter. Active HDL7.2 and Verilog HDL are used to simulate the driving timing of the CPLD. Experimental results show that the correctness rate of the test results is better than 90%. The system satisfies the requirements of the color information collection of urine analyzer.

引用

页数：7

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