Study of Iris Image Sample and Recognition System
Wei Wei · Microcomputer Information · 2009
This paper proposes an iris sample and recognition system based on infrared light source, low cost black and white CCD camera and TMS320DM642 as its core DSP. The system takes advantage of the infrared light source to solve the lighting problem so that pictures sampled are clearer and uses the extent SDRAM and FLASH to settle the storage problem. As the recognition algorithm, it uses multi-direction 2D-Gabor filters group to extract iris local direction features, codes them into a binary code that is easy to deal and matches are achieved by the improved Hamming distance. Experiments show that this sample and recognition system wins a high speed and recognition rate.