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This paper presents the development of a new algorithm for Gaussian basedcolor image enhancement system. The algorithm has been designed intoarchitecture suitable for FPGA/ASIC implementation. The color image enhancementis achieved by first convolving an original image with a Gaussian kernel sinceGaussian distribution is a point spread function which smoothen the image.Further, logarithm-domain processing and gain/offset corrections are employedin order to enhance and translate pixels into the display range of 0 to 255.The proposed algorithm not only provides better dynamic range compression andcolor rendition effect but also achieves color constancy in an image. Thedesign exploits high degrees of pipelining and parallel processing to achievereal time performance. The design has been realized by RTL compliant Verilogcoding and fits into a single FPGA with a gate count utilization of 321,804.The proposed method is implemented using Xilinx Virtex-II Pro XC2VP40-7FF1148FPGA device and is capable of processing high resolution color motion picturesof sizes of up to 1600x1200 pixels at the real time video rate of 116 framesper second. This shows that the proposed design would work for not only stillimages but also for high resolution video sequences.

Design of Novel Algorithm and Architecture for Gaussian Based Color Image Enhancement System for Real Time Applications