搜索资源列表
dm_dct_fenkuai
- 在DCT域，利用8*8分块DM方法，嵌入隐藏信息。可设置量化步长、选择各种经典的攻击方式和控制攻击强弱。返回误码率和峰值信噪比。利用Matlab编写。
jpeg
- the attached utility is a work I ve submitted to the university It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transform
DWTMATLAB
- oJPEG2000中DWT的MATLAB实现n the use of discrete cosine transform DCT jpeg compression Matlab source, simple and practical, the Notes have a good time
xiao
- 简单的DCT的MATLAB图象压缩实验，适用于初学者
face_recognition
- 基于2D-DCT和模块2DPCA的人脸识别系统的实现（matlab）
watermarkdctdwt
- MATLAB(DCT+DWT)图像数字水印的方案毕业论文,基于dct和dwt的算法,有详细程序
DSP
- 用MATLAB实现的DSP函数，包括FFT、ChripZ、DCT、DELTA、Hilbert变换
DCTJPEG
- 使用Matlab编程实现发送端信源编码（图像压缩）和接收端信源解码（图像重建），其中的编解码算法可采用基于DCT变换的JPEG图像压缩标准；测试图像加噪，然后对去噪后的图像进行压缩与重建，分析压缩性能；研究基于下采样和内插的图像压缩算法；可将8bit/pixel灰度图像扩展至24bit/pixel彩色图像，或者采用无损压缩算法对图像压缩。-Sender using the Matlab programming source coding (image compression) and the r
two_d_dct_serial
- two d dct program implementation in matlab
dctformatlab
- 在matlab环境下实现dtc变换，以用于图象压缩以及处理-in the matlab ，get the DCT transform
efficdctcprot2
- code efficace dct of with matlab
ddvip_com_043036df18ae2f
- matlab+dct+数字水印，这实在linux系统下运行的程序。-matlab+ dct+ digital watermarking, which is running under linux system procedures.
dct_using_genatic_algorithm
- this a matlab function that can be given to the genetic algorithm tool box to chose the best 10 positions of 1 s beside the original 6 in the upper left corner 1 s in the dct quantization matrix -this is a matlab function that can be given to the gen
jpeg2avihojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
Desktop
- stego program using the process of dct...... in matlab
Transform
- this a matlab transform dct-this is a matlab transform dct
HuffmanandShannon-Fanosourcecoding
- Huffman and Shannon-Fano source coding
myDCT
- 实现了DCT的算法，用Matlab实现了任意维图像的DCT变换问题。-DCT algorithm implemented using Matlab implementation of arbitrary-dimensional DCT-image problems.
fastKICA
- Matlab file for digital watermark embedder. A DCT based embedder for embedding the digital Images.
MATLAB2
- 基于DCT的图像检索技术 用统计特征法和不变矩法 MATLAB程序-DCT-based image retrieval method using statistical features and invariant moment method MATLAB program