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.
图像压缩是数字图像处理中最重要的关键技术之一，传统的图像压缩方法有预测编码、变换编码和矢量量化等。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
数字图像压缩编码的目的就是要以尽可能少的比特数来表征图像，同时又必须保持恢复图像的质量。
The purpose of digital image compress coding is to token the image within the limit of bit, and to maintain the quality of renew image.
实验研究了不同编码参数下MPEG - 2数字图像系统重建的运动图像清晰度。
The definition of digital TV system using different code parameters of MPEG-2 is also given in this paper.
数字图像处理中的编码技术。本程序对输入的图像进行哈夫曼huffman编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。
The procedure of the input image Huffman Huffman coding to show the original image entropy, encoded average code length, and be able to reconstruct the image according to encoding.
本文首先对数字图像压缩的必要性和可行性进行了分析，并对传统压缩编码方法进行了比较和综述。
This paper analyzes the necessity and feasibility for images compression at first, and then makes a comparison and summarization for the traditional compression methods.
数字图像的压缩编码技术已经成为过去十几年来的重要研究课题。
Technologies for digital image compression have been the subject of much study over the past decade.
数字图像处理的相关知识，包括图像的采集、表示、编码压缩、图像处理和图像分析等。
Relevant knowledge of digital pattern process, collection, showing of including the picture, the code is compressed, pattern process and picture are analysed etc.
数字图像处理的相关知识，包括图像的采集、表示、编码压缩、图像处理和图像分析等。
Relevant knowledge of digital pattern process, collection, showing of including the picture, the code is compressed, pattern process and picture are analysed etc.
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