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1·Using the sparsity of the scene, pixels above the threshold were mapped to a triple before entropy encoding for both grayscales and locations.

利用场景的稀疏性，将阈值以上的像素映射到三元组，对其灰度和位置信息分别熵编码；

2·The EXI format USES a hybrid approach drawn from the information and formal language theories, plus practical techniques verified by measurements, for entropy encoding XML information.

exi格式使用一种源于信息和正式语言理论的混合方法以及经过测量验证的实践技术对XML信息进行熵编码。

3·The project is based on wavelet transform image compression, and implements wavelet transform, subband coding, The quantization and entropy encoding processes provide data compression;

该方案基于小波变换的场内图像压缩技术，采用小波变换、子带编码、自适应量化和熵编码来对图像数据进行压缩；

4·Chapter operations to write a program, the input image Huffman, display the original image entropy encoded average code word length, and be able to reconstruct the image according to encoding.

第五章作业编写一个程序，对输入的图像进行哈夫曼编码，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。

5·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.

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。