In this paper, we investigate the utility of complex, 2 -0 Gabor jilter for a fingerprint matching system. Previous approaches have used an even symmetric 2-0 Gabor filter to perform fingerprint feature extraction processing. Several processing methods using a complex jilter are explored and compared to the even-symmetric case. Conclusions are drawn based upon both the results of using a complex filter and the added computational costs of doing so.
This paper adre.sses the problem on processing bio/ogical data such us cardiac heats, audio and ultrasonic range, calculating wvelet co$lficients in real time, with processor clock running at /reqrrenc.v o/presenr ASIC's and FPGA. The Pardel/ Filter Architecture for DWT has hem improved. calcrrlating wavelet coefliicients in r e d rime with hardware reduced to 60%. The new urchiterture. which also processes ID WT. is implemented with the Radir-2 or the B o d h -Wallace Constant multipliers. Including series nienroty register hank, one integrated circuit Signal Anal.vzer, rrltrasonic range. is presented .
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