A dynamically reconfigurable parallel pixel processing system

D Llamocca, M Pattichis, A Vera - … International Conference on …, 2009 - ieeexplore.ieee.org
2009 International Conference on Field Programmable Logic and …, 2009ieeexplore.ieee.org
We describe a dynamically reconfigurable image processing system that reaches real time
video processing performances despite reconfiguration time overhead. The system is
composed of reconfigurable pixel processing units set to process several pixels in parallel.
We present a scheme for optimizing a LUT-based architecture by directly mapping it into the
Xilinx FPGA CLB primitives. Internally controlled dynamic partial reconfiguration is to modify
the LUT values at run-time without stalling the overall operation. The combination of …
We describe a dynamically reconfigurable image processing system that reaches real time video processing performances despite reconfiguration time overhead. The system is composed of reconfigurable pixel processing units set to process several pixels in parallel. We present a scheme for optimizing a LUT-based architecture by directly mapping it into the Xilinx FPGA CLB primitives. Internally controlled dynamic partial reconfiguration is to modify the LUT values at run-time without stalling the overall operation. The combination of optimized implementations with CLB primitives and dynamic partial reconfiguration leads to multifunctional, area-efficient, and highperformance realizations of LUT-based pixel processing systems. We present results from a dynamically reconfigurable high-performance LUT-based image/video processing system. Experimental measurements show that the system achieves speeds of 226 Mbps with small resource utilization. The architecture can dynamically reconfigure the image processing operation at each new frame and still reach real-time video processing speeds (640 times 480 graylevel frames). We also evaluate the effect that increasing partial reconfiguration rates have on the system's overall performance.
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