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gaijinlizi
- 进行一种基于改进粒子群算法的矢量量化码书设计研究 基于改进粒子群算法的矢量量化码书设计研究-Improved particle swarm optimization algorithm based on vector quantization codebook design research
PLS
- PCA 主成分分析 程序 采用主成分分析法(PCA),对大沽夹河流域水质进行了定量化综合评价。 -matlab PCA(Principal Component Analysis) programmer is deserved ,it s good to learn.The water quality in Dagujia River basin was assessed by using the PCA method
LiangHua1
- 用matalb编写的高斯信源均匀量化,程序简单明了有利于读写-Matalb write with the gaussian source even quantification
HSVColorHistogram
- VS2010与OpenCv2.3结合实现HSV空间量化-VS2010 OpenCv2.3 HSV
DCT-audiowatermarking
- 使用DCT变换分组量化的方法实现音频水印的嵌入,抗攻击性良好-DCT watermarking
STDM
- 在图像的DCT系数上嵌入信息,图像为常见的512*512大小的灰度图(实验所用图像为LENA.BMP)。嵌入的信息为一二进制Logo图(实验所用logo图为LOGO.bmp),该图大小为64*64,共4096个Bit。 1. 使用STDM方法在LENA图中嵌入水印,输出嵌入后的水印图像。 2. 对水印图像解码,输出解码后得到的logo图,并统计错误率。 3. 在相同的量化步长下,观察不同强度的噪声攻击下系统性能的变化 4. 在相同的量化步长下,观察不同强度的JPEG压缩下系统性能
zaoshengguoxitong
- 一个关于量化噪声分析的程序。代码不长仅供参考。学生试验专用。-One of the quantization noise analysis program. The code is not long for reference only. Students of special test.
junyunlianghua
- 一个量化噪声分析程序。该代码是不长,只供参考。学生专用的试验。-One of the quantization noise analysis program. The code is not long for reference only. Students of special test.
20070810108
- 矢量量化技术及其在图像压缩中的应用 毕设论文及代码-Vector quantization and its application in image compression Complete set of papers and code
watermark
- 基于均值量化的小波域音频水印,完成水印的添加和提取,以及水印的性能量化计算-Wavelet domain audio watermarking
Vector-quantization-of-the-C
- 矢量量化算法的C语言实现:LBG(K-均值)聚类算法,在欧几里的距离基础上用LBG算法将输入向量聚类。-Vector quantization of C language implementation algorithm:LBG (k-means) clustering algorithm, in several European based on the distance with LBG algorithm will input vector clustering.
jpeg
- JPEG的压缩编码及其matlab实现,包含了DCT变换,量化,AChuffman编码,DChuffman编码。-Of JPEG compression matlab to achieve, including the DCT, quantization, AChuffman coding, DChuffman coding.
plcm_single_yc
- 本程序采用单阈值量化法产生混沌序列并仿真其游程特性-This program uses a single thresholding method of generating chaotic sequences and simulation run-length features
JPEG
- 本程序实现简单JPEG压缩编码和解码功能。将一副64*64的灰度图进行JPEG压缩编码,编码过程包含DCT转换,量化,ZigZag扫描和游程编码。不包含DC分量的DPCM编码和最后的霍夫曼编码,但是基本实现了JPEG编码,具有较好的压缩率。-This procedure is simple JPEG compression encoding and decoding functions. This is a 64* 64 grayscale JPEG compression encoding p
pcm
- 本文基于MATLAB/SIMULINK动态仿真环境,以实例阐述了建立脉冲编码调制通信系统仿真模型的一般方法。根据该系统的基本原理将整个模型划分为抽样﹑量化﹑编码等几个子系统,并在传输线路上加入高斯白噪声以检验该系统的传输质量和抗干扰能力。-Title Design and Simulation for PCM communication system Abstract
files
- 数字图像隐藏及提取研究分析论文、文献等。主要研究算法为LSB算法和DCT奇偶量化、DCT均值量化。-Digital Image Information Hiding and Extraction of analytical papers, literature. The main algorithm for the LSB algorithm and DCT parity quantization, DCT mean quantization.
PCM
- 脉冲编码调制PCM实现,编程实现PCM技术的三个过程:采样、量化与编码-Pulse Code Modulation PCM implementation, programming the PCM technology of three processes : sampling , quantization and coding
quilt_research
- 将RGB转换成HSV,并且实现HSV的单一量化,方便用直方图显示。-Quantify HSV
dpcm
- 图像的差值脉冲编码调制,通过预测器中现有系数进行预测,并统计预测误差,再用量化器进行量化-Differential pulse code modulation of the image, through the existing coefficient in the predictor to predict, and statistical prediction error and quantize
imjepg
- JPEG压缩编码的主要步骤有: 1.通过前向离散余弦变换减少图像数据相关性; 2.利用人眼的视觉特性队DCT系数进行量化; 3.使用查分脉冲编码调制对直流系数进行编码; 4.对交流系数进行Z形扫描,使用形成长度编码队交流系数进行编码; 5.熵编码器对上述描述符进行熵编码。-JPEG compression encoding of the main steps are: 1.forward discrete cosine transform to reduce the im