JPEG编码硬件加速器，采用DCT算法，其中含有skew circular convolution单元，其构架设计能以精简的电路，同时满足DCT与IDCT的需求。-Accelerator hardware JPEG encoder, the DCT algorithm, which contains skew circular convolution module, the framework in order to streamline the design of the circuit, at the same time meet the needs of DCT and IDCT.