系统使用CCD获取原始数字图像数据，采用快速算法实现了核心的二维DCT变换，经过编码后，在一个16位定点DSP上实现了快速图像压缩。
The system uses CCD for getting digital image, uses a 16 bit fix-point DSP to perform fast discret cosine transform(DCT) arithmetic and image encoding and realizes a fast image compression in end.
本文介绍了图像压缩的原因及数字图像压缩编码。
The paper introduces the reason of image compression and digital image compression and coding.
原始的数字图像需要大量的存储空间，而直接对其进行压缩编码效果并不理想。
Saving original image data needs a lot of memory space, and direct compression doesn't get a good effect.
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