要:基于DCT图像压缩编码技术提出了用Marlab实现离散余弦变换的图像压缩方法，该方法具有方法

简单、速度快、误差小的优点，免去了大量的矩阵计算，既保证具有较高的压缩比，又保证了较好的

图像质量。-Realization of discrete cosine transform image compression using Marlab: Based on the DCT image compression coding techniques, this method has the advantages of method is simple, fast, small error, which eliminates a large number of matrix calculations, both to ensure a high level of compression ratio, but also to ensure better image quality.