DISCRETE COSINE TRANSFORMATION FOR ANALYSIS OF IMAGE

Abstract

Digital image processing remains a challenging domain of programming. There are several transforms that do image transformation. Image compression is very important for efficient transmission and storage of images . Demand for communication of multimedia data through the telecommunications network and accessing the multimedia data through Internet is growing explosively. Many algorithms and VLSI architectures for the fast computation of DCT have been proposed. A discrete cosine transform (DCT) expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering. I can perform discrete cosine transformation by different algorithms, in this paper we use pixels processing. In this paperI have implement method for image transformation and analysis using discrete cosine transformation technique and develop results using matlab coding. In future the MATLAB code can be converted to VHDL code and implement on FPGA kit inorder to develop ASIC (application specific IC) for image transformation and analysis. This will give a generalization to image processing.