22-4 QUANTITY CONTROL FOR DCT-BASED IMAGE DATA COMPRESSION USING FUZZY LOGIC ALGORITM

Abstract

We have developed a new method to improve the accuracy of the quantity output DCT-based (JPEG) image data compression using Fuzzy Logic Algorithm(FLA). Several rules are prepared to calculate the gain factor that drives the quantization table. The average accuracy of the amount data ouput coder from the simulation result is -1.5% (the error range from -3% to 1%), without FLA the error range from -41% to 43%.