Implemention of 2D DCT on MVP

DCT is an orthogonal transformation widely used in image compression applications.Because of its high computational cost,the operating speed of DCT will be a key factor in the case where real-time processing are required.TMS320C80(MVP) is a recently developed general purpose programmable digital signal processor,which can operate in both SIMD and MIMD concurrent-modes.This paper presents the fast algorithms of DCT and the advantages of TMS320C80 architecture,and discusses the parallel strategy of 2D DCT on MVP.The speedups of SIMD and MIMD modes are compared.Finally,Lee's fast algorithm is chosen and mapped onto MVP with SIMD mode.The results show that the implemention can meet the requirements of real-time applications.