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Article
Multiple palm features extraction method based on vein and palmprint
Contactless acquisition enables palm identification device to be more easily accepted by people who worry about hygiene problems. The uncertainty of the position between the palm and the device leads to the ho...
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Chapter and Conference Paper
Venous Congestion Detection Method Based on HSI Color Space
The venous congestion is a very important kind of feature in iridology. How to detect and analyze the venous congestion is crucial to the automatic iris diagnosis system. Based on the HSI color space, this pap...
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Chapter and Conference Paper
Contact-Less Palm Vein Recognition Based on Wavelet Decomposition and Partial Least Square
To solve the problem of low recognition performance caused by contact-less imaging and poor palm vein image quality, a novel recognition method is proposed. Firstly, the ROI based on the thenar (a part of palm...
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Chapter and Conference Paper
Iris Plaque Detection Method Based on Level Set
According to Iridology, the shape and position of iris plaques can reflect the health condition of human organs. In this paper, we propose a method to detect iris plaques automatically with computer vision tec...
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Article
Edge detection based on directional space
A new method for edge detection based on directional space is proposed. The principle is that: firstly, the directional differential space is set up in which the ridge edge pixels and valley edge pixels are ab...
