Multiresolution techniques for the classification of bioimage and biometric datasets

Amina Chebira; Jelena Kovačević

doi:10.1117/12.735196

20 September 2007 Multiresolution techniques for the classification of bioimage and biometric datasets

Amina Chebira, Jelena Kovačević

Proceedings Volume 6701, Wavelets XII; 67010G (2007) https://doi.org/10.1117/12.735196
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

We survey our work on adaptive multiresolution (MR) approaches to the classification of biological and fingerprint images. The system adds MR decomposition in front of a generic classifier consisting of feature computation and classification in each MR subspace, yielding local decisions, which are then combined into a global decision using a weighting algorithm. The system is tested on four different datasets, subcellular protein location images, drosophila embryo images, histological images and fingerprint images. Given the very high accuracies obtained for all four datasets, we demonstrate that the space-frequency localized information in the multiresolution subspaces adds significantly to the discriminative power of the system. Moreover, we show that a vastly reduced set of features is sufficient. Finally, we prove that frames are the class of MR techniques that performs the best in this context. This leads us to consider the construction of a new family of frames for classification, which we term lapped tight frame transforms.

Citation Download Citation

Amina Chebira and Jelena Kovačević "Multiresolution techniques for the classification of bioimage and biometric datasets", Proc. SPIE 6701, Wavelets XII, 67010G (20 September 2007); https://doi.org/10.1117/12.735196

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