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LZW_Demo
实现对图像的lzw压缩编码 得到图像的压缩比以及码长(Lzw realize image compression coding of image compression ratio as well as the code length)
- 2009-12-21 17:50:16下载
- 积分:1
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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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new
说明: 二维圆柱绕流FEM的fortran代码,这是南京航空航天大学计算流体力学大作业的源代码,请多关照。(fortran code for 2D FEM)
- 2021-03-16 17:29:22下载
- 积分:1
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AES
AES压缩技术编程源代码,包含压缩和解压全套源代码的完整工程(AES compression technology programming source code, including compression and decompression full source code of complete project
)
- 2015-12-24 11:09:07下载
- 积分:1
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matlab-acq
说明: GPS C/A码捕获 用的是fft频域的搜索 有C/A码产生和C/A码数字化子程序,模拟卫星信号的捕获算法和过程,未考虑多普勒频移(GPS C/A code acquisition in frequency domain using the fft search with C/A code generation and C/A code number of subroutines, analog satellite signal acquisition method and process, without considering the Doppler shift)
- 2010-04-05 14:26:25下载
- 积分:1
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w_ipp-sample-data
w_ipp-sample-data-compression,Intel,IPP函数库,文件数据快速压缩解压缩工具包。可以进行数据加密解密告诉处理( W_ipp-sample-data-compression, Intel, IPP library, file compression and decompression tool for fast data packet. You can tell the encryption and decryption of data processing)
- 2011-10-07 19:43:38下载
- 积分:1
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点云数据的压缩显示 point cloud compression
pcl 源码 点云数据的压缩显示,压缩数据的算法(display pcl source point cloud data compression algorithm to compress data)
- 2012-12-05 19:42:58下载
- 积分:1
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Hofman
基于霍夫曼算法的压缩与解压程序。其中压缩与解压的exe是分开的。(Using Hoffman algorithm to compress and decompress)
- 2011-05-16 15:31:10下载
- 积分:1
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0904210213
霍夫曼编码的C++实现,输入一组字符串,输出每个字符的编码及整个字符串的霍夫曼编码。(realization of Huffman coding using VC++)
- 2012-04-15 20:52:45下载
- 积分:1
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lz4 压缩解压速度超快的算法
lz4 压缩解压速度超快,比zip lzo等算法(lz4 compress )
- 2014-07-07 09:50:48下载
- 积分:1