Coordinate Logic Order Statistics filters and FPGA Implementation for Real - Time Image Processing
K. Tsirikolias, Efstathios D. Kyriakis - Bitzaros, Dept. of Electronics TEI of Piraeus · Journal of Engineering Science and Technology Review · 2016
Coordinate Logic Order Statistics (CLOS) constitutes a new revolutionary and radical approach for real time video/image/signal processing.CLOS filtering introduces a minimalistic approach for filter design followed with the most possible efficiency in terms of performance, output quality, H/W complexity and energy consumption.More specific CLOS filters consider the signal values as fixed, unsigned and unweighted binary sequences without including carry bits and pointers.CLOS functioning applies a bit level process rather than a decimal level process and may be considered as a bottom up procedure where the whole filter design is based on logic functions instead of arithmetic.This feature is very important since it makes CLOS filters ready for "feeding" H/W.An example of an impulse denoising filter using CLOS is presented.