tailieunhanh - Báo cáo hóa học: " Simplifying Physical Realization of Gaussian Particle Filters with Block-Level Pipeline Control"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Simplifying Physical Realization of Gaussian Particle Filters with Block-Level Pipeline Control | EURASIP Journal on Applied Signal Processing 2005 4 575-587 2005 Hindawi Publishing Corporation Simplifying Physical Realization of Gaussian Particle Filters with Block-Level Pipeline Control Sangjin Hong Department of Electrical and Computer Engineering Stony Brook University SUNY Stony Brook NY 11794-2350 USA Email snjhong@ Petar M. Djuric Department of Electrical and Computer Engineering Stony Brook University SUNY Stony Brook NY 11794-2350 USA Email djuric@ Miodrag Bolic School of Information Technology and Engineering University of Ottawa Ottawa ON Canada K1N 6N5 Email mbolic@ Received 30 March 2004 Revised 25 September 2004 Recommended for Publication by Andy Wu We present an efficient physical realization method of particle filters for real-time tracking applications. The methodology is based on block-level pipelining where data transfer between processing blocks is effectively controlled by autonomous distributed controllers. Block-level pipelining maintains inherent operational concurrency within the algorithm for high-throughput execution. The proposed use of controllers via parameters reconfiguration greatly simplifies the overall controller structure and alleviates potential speed bottlenecks that may arise due to complexity of the controller. A Gaussian particle filter for bearings-only tracking problem is realized based on the presented methodology. For demonstration individual coarse grain processing blocks comprising particle filters are synthesized using commercial FPGA. From the execution characteristics obtained from the implementation the overall controller structure is derived according to the methodology and its temporal correctness verified using Verilog and SystemC. Keywords and phrases particle filters Gaussian particle filter distributed controller block-level pipelining. 1. INTRODUCTION Particle filter has been studied theoretically and its feasibility has been demonstrated in the literature 1 2

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