Wavelets and subband coding
Vector Quantization Technique for Nonparametric Classifier Design
IEEE Transactions on Pattern Analysis and Machine Intelligence
K-winner machines for pattern classification
IEEE Transactions on Neural Networks
Digital implementation of hierarchical vector quantization
IEEE Transactions on Neural Networks
Efficient pipelined architecture for competitive learning
Journal of Parallel and Distributed Computing
Microprocessors & Microsystems
An efficient pipelined architecture for fast competitive learning
ICA3PP'10 Proceedings of the 10th international conference on Algorithms and Architectures for Parallel Processing - Volume Part II
ICIAR'07 Proceedings of the 4th international conference on Image Analysis and Recognition
Parallel architectures for the kNN classifier -- design of soft IP cores and FPGA implementations
ACM Transactions on Embedded Computing Systems (TECS) - Special issue on application-specific processors
Use of wavelet for image processing in smart cameras with low hardware resources
Journal of Systems Architecture: the EUROMICRO Journal
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A novel algorithm for field programmable gate array (FPGA) realization of kNN classifier is presented in this paper. The algorithm identifies first k closest vectors in the design set of a kNN classifier for each input vector by performing the partial distance search (PDS) in the wavelet domain. It employs subspace search, bitplane reduction and multiple-coefficient accumulation techniques for the effective reduction of the area complexity and computation latency. The proposed implementation has been embedded in a softcore CPU for physical performance measurement. Experimental results show that the implementation provides a cost-effective solution to the FPGA realization of kNN classification systems where both high throughput and low area cost are desired.