A method of implementing the JPEG static image compression algorithmic on STM32F4 microprocessor is proposed in this paper .According to the basic process of image compression ,optimization and implementation of DCT transform in the image coding and the process of image compression which based on STM 32F4 microprocessor are mainly discussed .Experimental results show that compared with the traditional system based on the basic DCT transform ,the proposed system based on STM32F4 microprocessor and fast DCT algorithm as long as the method of co‐...