Hardware implementation of a spatio-temporal average filter for real-time denoising of fluoroscopic images ?
The paper proposes the FPGA implementation of a spatio-temporal filter for the denoising of fluoroscopic images. The filter is able to remove the Poisson noise while preserving edges and motion. The circuit has been implemented by using an external DDR2 memory. The memory controller and the filter have been optimized to allow real-time processing. The circuit is able to process 49 fps if implemented on a StratixIV FPGA by using the 79% of the logic resources.
spatio-temporal filter poisson noise x-ray fluoroscopy real time video processing field programmable gate array