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Vol. 165, Issue 2, February 2014, pp. 46-52

 

Bullet

 

Detection of the Typical Pulse Condition on Cun-Guan-Chi Based on Image Sensor
 

Aihua ZHANG, Liming YANG and Hongzhi DANG

College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou, 730050, China
Tel.: 0931-2973726, fax: 0931-2973902

E-mail: lutzhangah@163.com

 

Received: 11 November 2013 /Accepted: 28 January 2014 /Published: 28 February 2014

Digital Sensors and Sensor Sysstems

 

Abstract: In order to simulate the diagnosis by feeling the pulse with Traditional Chinese Medicine, a device based on CCD was designed to detect the pulse image of Cun-Guan-Chi. Using the MM-3 pulse model as experimental subject, the synchronous pulse image data of some typical pulse condition were collected by this device on Cun-Guan-Chi. The typical pulses include the normal pulse, the slippery pulse, the slow pulse and the soft pulse. According to the lens imaging principle, the pulse waves were extracted by using the area method, then the 3D pulse condition image was restructured and some features were extracted including the period, the frequency, the width, and the length. The slippery pulse data of pregnant women were collected by this device, and the pulse images were analyzed. The results are consistent based on comparing the features of the slippery pulse model with the slippery pulse of pregnant women. This study overcame shortages of the existing detection device such as the few detecting parts and the limited information, and more comprehensive 3D pulse condition information could be obtained. This work laid a foundation for realizing the objective diagnosis and revealing the comprehensive information of the pulse.

 

Keywords: Pulse detection, Image sensor, Pulse-taking pressure, Pulse waveform.

 

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