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Proceedings Paper

Enhancement display of veins distribution based on binocular vision and image fusion technology
Author(s): Peng Liu; Si Di; Jian Jin; Liping Bai
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Paper Abstract

The capture and display of veins distribution is an important issue for some applications, such as medical diagnosis and identification. Therefore, it has become a popular topic in the field of biomedical imaging. Usually, people capture the veins distribution by infrared imaging, but the display result is similar with that of a gray picture and the color and details of skin cannot be remained. To some degree, it is unreal for doctors. In this paper, we develop a binocular vision system to carry out the enhancement display of veins under the condition of keeping actual skin color. The binocular system is consisted of two adjacent cameras. A visible band filter and an infrared band filter are placed in front of the two lenses, respectively. Therefore, the pictures of visible band and infrared band can be captured simultaneously. After that, a new fusion process is applied to the two pictures, which related to histogram mapping, principal component analysis (PCA) and modified bilateral filter fusion. The final results show that both the veins distribution and the actual skin color of the back of the hand can be clearly displayed. Besides, correlation coefficient, average gradient and average distortion are selected as the parameters to evaluate the image quality. By comparing the parameters, it is evident that our novel fusion method is prior to some popular fusion methods such as Gauss filter fusion, Intensity-hue-saturation (HIS) fusion and bilateral filter fusion.

Paper Details

Date Published: 18 November 2014
PDF: 6 pages
Proc. SPIE 9268, Optics in Health Care and Biomedical Optics VI, 92681E (18 November 2014); doi: 10.1117/12.2070929
Show Author Affiliations
Peng Liu, Guangdong Univ. of Technology (China)
Guangzhou Institute of Advanced Technology (China)
Si Di, Guangzhou Institute of Advanced Technology (China)
Jian Jin, Guangzhou Institute of Advanced Technology (China)
Liping Bai, Guangdong Univ. of Technology (China)

Published in SPIE Proceedings Vol. 9268:
Optics in Health Care and Biomedical Optics VI
Qingming Luo; Xingde Li; Ying Gu; Yuguo Tang, Editor(s)

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