Recognition Impact of JPEG2000 Part 2 Wavelet Packet Subband Structures in IREX K3 Iris Image Compression
Keywords:
PEG2000, wavelet packets, iris recognition, IREX.Abstract
The impact of using (adaptive) wavelet packet
subband structures as allowed in JPEG2000 Part 2 in iris image compression is investigated. The recognition performance of four different feature extraction schemes applied to correspondingly compressed images is compared to the usage of the dyadic decomposition structure of JPEG2000 Part 1 in the
compression stage. A better recognition performance of the adaptively generated wavelet subband structures is observed, in particular of those generated with respect to optimal rate-distortion performance.
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