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61IC_H4231
PAV (H265) 是 音视频 压缩解压 协议,非常不同于H264/MPEG4,ZPAV (H265) 的基本算法 是 小波,多级树集合群,广义小波,数学形态小波,......
ZPAV (H265) 基本算法 :
1,图象与声音分解与合成 :小波 ;
2,图象与声音前处理 :小波子带零交叉降噪,目标纹理处理,语音处理 ;
3,速率控制 :小波子带熵速率控制 ;
4,量化与反量化 :小波子带熵量化与反量化 ;
5,低频分量和高频分量的降维 :小波子带邻域交叉降维 ;
6,运动矢量和量化表的分解与合成 :广义小波 ;
7,位面编码 :数学形态小波,多级树集合群,嵌入零树,位面降维 ;
8,位流编码 :算术编码,熵编码 ;
9,运动估计 :宏块最优决策,运动矢量预测 ;
A,运动搜索 :钻石,大钻石,小钻石,方形 ;
B,图象与声音后处理 :低通滤波,断点重构,宏块平滑 ;
C,误码纠错 :矢量仿真,帧间仿真 。
(The PAV (H265) is the audio and video compression and decompression protocol, is very different from H264/MPEG4
ZPAV (H265) algorithm is a wavelet, multi-level tree collection group, and generalized wavelets, mathematical morphology, wavelet, ...
ZPAV (H265) algorithm:
1, image and sound decomposition and synthesis: wavelet
2, image and sound processing: wavelet sub-band zero-crossing noise, target texture processing, speech processing
3, the rate control: wavelet subband entropy rate control
4, quantization and inverse quantization: Wavelet subband entropy quantization and inverse quantization
5, the dimensionality reduction of the low frequency component and high frequency components: the wavelet subbands neighborhood cross-dimensionality reduction
6, the decomposition and synthesis of the motion vector and quantization tables: generalized wavelet
7, bit-plane coding: the mathematical form of wavelet multi-level tree collection group, embedded zerotree, bit plane)
- 2012-03-07 16:22:55下载
- 积分:1
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Jepg2000的压缩
Jepg2000的压缩解压(Jepg2000 compression decompression)
- 2020-07-09 14:48:55下载
- 积分:1
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x264dateflow
说明: 文件介绍了x264程序的算法流程表,每个函数的内容详细介绍在里面 (Document describes the algorithm flow chart x264 programs, and detailed description of each function in it)
- 2011-04-15 21:44:43下载
- 积分:1
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lzw_soft
lzw压缩解压算法源码(The soruce of LZW compression algorithm)
- 2020-06-26 13:00:01下载
- 积分:1
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zsccompress
说明: 对流数据的压缩,主要针对二进制的数据代码进行各种长度宽度的压缩。(convection data compression, mainly with regard to the binary code of various length width of the compression.)
- 2005-11-17 12:52:02下载
- 积分:1
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图象压缩开发包 Jpeg2000 SDK
一个强大的图象压缩开发包,支持压缩格式为jpeg,jpeg2000有损无损压缩(A powerful image compression development kit, support for compression formats jpeg, jpeg2000 detrimental to lossless compression)
- 2008-06-08 00:10:01下载
- 积分:1
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bnpts点云文件bunny
bnpts点云文件 进过压缩处理 大约100000个点(bnpts)
- 2010-11-01 10:57:16下载
- 积分:1
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cockroach
用于对图像的huffman编解码,创建了图像界面,按照提示操作(Huffman codec used on the image to create a graphical interface, follow the prompts)
- 2012-05-29 12:45:47下载
- 积分:1
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DS4
设电文字符集D及各字符出现的概率F如下:
D={a,b,c,d,e,f,g,h}(字符数n=8)
F={5,29,7,8,14,23,3,11}( )
编写完成下列功能的程序:
①构造关于F的Huffman树;
②求出并打印D总各字符的Huffman编码。
程序结构: 类型说明;
构造Huffman树的函数:Huffman_tree(H[m+1]);
求Huffman编码的函数:Huffman_code(code[n+1]);
main()
{ 变量说明;
输入字符集D及频率F;
调用Huffman_tree(H);
调用Huffman_code(code);
打印编码;
Y 继续?
N
停止
}
- 2015-06-06 16:41:33下载
- 积分:1
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ezw
ezw程序,主要对图像进行小波变换,然后基于ezw算法进行编码(EZW process, mainly on the image wavelet transform, and then based on the EZW coding algorithm)
- 2008-06-13 14:30:39下载
- 积分:1