Research And Implementation Of Algorithms Of Medical Image Enhancement Based On FPGA

This paper focuses on the the realization of several kinds of algorithms of medical image enhancement based on FPGA. Firstly, we introduce the progress in digital image processing technology, analyze the mechanism and statistical characteristics of several common kinds of noise exist in ordinary medical equipment, and then discuss the mathematical principles and effects of several classes algorithms. We build a logical system to enhance the digital image which conforms to the protocol of BT.656. By improving the traditional algorithm, we put several image enhancement algorithms into practice using verilog HDL language, including gray histogram equalization, Sobel edge detection, the mean filtering and the median filtering. Some important concepts appeared in these designs such as finite state machine, modular design and pipelining. The circuit in the design can process images real-time under the premise of maintaining the same effect with the software.