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huffman编码的c和MATLAB实现
huffman编码的c和MATLAB实现-huffman coding to achieve the c and MATLAB
- 2022-04-09 12:20:37下载
- 积分：1
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Learning is mainly based on wavelets, mutual exchanges, learn from each other. W...
主要是学习小波的基础，互相交流，互相学习。欢迎交流啊
-Learning is mainly based on wavelets, mutual exchanges, learn from each other. Welcome the exchange of ah
- 2022-04-24 09:39:26下载
- 积分：1
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This scheme is initiated by Ziv and Lempel [1]. A slightly modified version is d...
This scheme is initiated by Ziv and Lempel [1]. A slightly modified version is described by Storer and Szymanski [2]. An implementation using a binary tree is proposed by Bell [3]. The algorithm is quite simple: Keep a ring buffer, which initially contains "space" characters only. Read several letters from the file to the buffer. Then search the buffer for the longest string that matches the letters just read, and send its length and position in the buffer.
- 2022-10-29 01:55:05下载
- 积分：1
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Map coloring to each city on the map as a point of abstraction, and to every cit...
地图着色把地图上的每个城市抽象为一个点，并给每个城市编号，，相邻的城市之间用直线连接。据此做出邻接矩阵，若第i个城市与第j个城市相邻，则metro[i][j]=1,否则metro[i][j]=0。
算法：按照编号从小到大的顺序检查每个城市，对每个城市从1到4使用4种颜色着色，若当前颜色可用（即不与相邻城市颜色相同），则着色；否则测试下一种颜色。
-Map coloring to each city on the map as a point of abstraction, and to every city number, adjacent lines to connect between cities. Accordingly to make adjacency matrix, if the section i and section j cities adjacent cities, the metro [i] [j] = 1, otherwise the metro [i] [j] = 0. Algorithm: In accordance with the code sequence from small to large checks every city, every city on 1-4 from the use of four kinds of color shading, color can be used if the current (ie not with the same colors as the neighboring cities), then coloring Otherwise, the next test colors.
- 2022-02-12 12:09:41下载
- 积分：1
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一 . 需求分析：
1) 输入形式和输入值范围:
输入形式是要压缩（或者要解压）的文件路径，输入范围是字符串，而且要是文件的路径。
2) 输...
一 . 需求分析：
1) 输入形式和输入值范围:
输入形式是要压缩（或者要解压）的文件路径，输入范围是字符串，而且要是文件的路径。
2) 输出形式:
输出相应的编码压缩文件和解码原文件
3) 程序所能达到的功能:
利用哈夫曼对ASCII文件做不等长编码，达到压缩文件。利用哈夫曼树的遍历，达到解压文件的目的。程序的功能也就是实现压缩和解压ASCII类型文件的目的。
4）测试数据：（包括正确的输入数据及其输出结果和含有错误输入及其输出结果）
测试输入或者输出文本框是不是有空的，是不是不是有效路径。进行条件判断，实现错误处理。
比如要压缩：c:a.txt 文件路径就是：c:a.txt。如果输入框是空的，就判断，然后用MessageBox处理信息。
如果文件路径和文件的输出路径都写正确的话，就会输出相应的压缩或者解压文件，否则用函数MessageBox提示错误。然后进行更正。
二 . 概要设计：
1) 哈夫曼树的特点
a) 是二叉树的一种，而且是一种没有度数是1的二叉树
b) 一棵树有n个叶子，就会用2n-1个节点
c) 一种“最优”二叉树，由于树的带权路径（WPL）最小
d) 由于它是由下到上顺序构造的，使得分支节点和叶子节点从下到上，权值都是从小到大的顺序排列的
- 2022-03-21 06:23:05下载
- 积分：1
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fast arithmetic coding sourcecode FastAC, i got it from Pearlam website. you can...
快速算术编码FastAC，来源于Pearlman个人主页，是非常有用的算术编码代码。可以用于图像，视频编解码中；也可以用于语音等编解码中。谢谢。-fast arithmetic coding sourcecode FastAC, i got it from Pearlam website. you can use it in image/video codec, or other codec.
- 2022-07-23 14:22:51下载
- 积分：1
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MP3文件以一帧为一个编码单元，各帧编码数据是独立的。为了清晰而准确地描述mp3文件格式，下面采用位流语法描述，这种语法格式与c语言近似，易于理解，且描述清晰...
MP3文件以一帧为一个编码单元，各帧编码数据是独立的。为了清晰而准确地描述mp3文件格式，下面采用位流语法描述，这种语法格式与c语言近似，易于理解，且描述清晰-An MP3 file to a coding unit, the encoded data frame is independent. In order to clear and accurate description of mp3 file format, the following description of the use of bit-stream syntax, the syntax and language similar to c, easy to understand and describe a clear
- 2022-05-14 23:02:33下载
- 积分：1
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LZMA compression 4.06version
lzma 压缩 4.06version-LZMA compression 4.06version
- 2022-02-01 00:39:55下载
- 积分：1
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一个公认的无损和近无损图像压缩算法：实现…
当前公认的最优无损/准无损图像压缩算法之一：calic算法的软件实现。-An accepted lossless and near lossless image compression algrithm: Relization of CALIC on soft.
- 2022-07-27 02:52:30下载
- 积分：1
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ZPAV (H265) pnxNNNN (PHILIPS) demo ZPAV (H265) is audio
ZPAV (H265) pnxNNNN(PHILIPS) demo
ZPAV (H265) is audio-visual codec protocol, very different from H264/MPEG4,
ZPAV (H265) basic algorithm is wavelets, SPIHT, BSW, MMW, ......
ZPAV (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) pnxNNNN (PHILIPS) demo ZPAV (H265) is audio-visual codec protocol, very different from H264/MPEG4, ZPAV (H265) basic algorithm is wavelets, SPIHT, BSW, MMW, ...... ZPAV ( H265) is the audio and video compression decompression agreements, very different from the H264/MPEG4, ZPAV (H265) the basic algorithm is a wavelet, multi-level tree collection groups, generalized wavelets, mathematical morphology wavelet ,......
- 2023-01-17 00:10:04下载
- 积分：1
