In the design of JPEG coder, JEONG algorithm on DCT transform is improved, the problem of time parallel is resolved with pipeline optimization algorithm, and the speed of DCT/IDCT module is accelerated.

• 在JPEG编码器设计中，改进了JEONG的DCT变换算法，采用流水线优化算法解决时间并行性问题，提高了DCT/IDCT模块的运算速度；