A cycle-efficient sample-parallel EBCOT architecture for JPEG2000 encoder

In this paper, it novel cycle-efficient sample-parallel architecture for EBCOT entropy encoder used in JPEG2000 is proposed The architecture consists of a pass-parallel context modeling unit capable of simultaneous processing of four samples, and a pipelined binary arithmetic coder running at double system clock rate to match the processing rate of the context modeling unit. Simulation results show that this design reduces processing time by more than 50% and 60% compared with the pass-parallel architectures in [1], [2] respectively, and is able to process a 512 x 512 grayscale image in approximately 0.005 second at 100MHz system clock rate.