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Search - dct - List
【
Compress-Decompress algrithms
】
DCT程序实现文档.rar
DL : 0
dct变换
Update
: 2024-05-19
Size
: 1287
Publisher
:
【
Mathimatics-Numerical algorithms
】
dct.zip
DL : 0
DCT编码源程序
Update
: 2024-05-19
Size
: 1050
Publisher
:
【
Special Effects
】
整数DCT(BinDCT)快速算法及其在图象压缩中的应用.pdf
DL : 0
整数DCT(BinDCT)快速算法及其在图象压缩中的应用.pdf
Update
: 2008-06-02
Size
: 138799
Publisher
:
vvrobinham
【
Graph program
】
DCT(sse2)
DL : 0
用SSE2汇报语言实现的H.264视频编码标准中的DCT变换。-using SSE2 reporting language of H.264 video coding standard of DCT.
Update
: 2008-10-13
Size
: 24533
Publisher
:
王宏志
【
Other resource
】
dct变换的VC实现
DL : 0
DCT变换的VC实现,对研究DCT如何用C实现有很大的参考作用,或可直接调用-DCT VC to study how to use C DCT achieve a great reference, or direct call
Update
: 2008-10-13
Size
: 14069
Publisher
:
杨锐
【
Multimedia program
】
所有dct
DL : 0
我所有的dct变换程序,包括mmx,sse,sse2等,对于大家应该有用。-all my A1501 transform procedures, including mmx, SSE, SSE3, should be useful for everyone.
Update
: 2008-10-13
Size
: 38168
Publisher
:
潘敏
【
Compress-Decompress algrithms
】
基于DCT的jpeg图像压缩编码算法的MATLAB实现
DL : 3
这是一个基于DCT的jpeg图像压缩编码算法的MATLAB实现的程序,对做jpeg压缩的朋友会很有帮助-this is matlab jpeg compression based on dct,it is helpful for who embark on jpeg compression.
Update
: 2008-10-13
Size
: 41098
Publisher
:
杨晖
【
GDI-Bitmap
】
DCT算法实现
DL : 0
普通DCT,快速DCT,快速IDCT算法的实现 vc程序 希望你喜欢!-ordinary DCT, fast DCT and IDCT algorithm for the rapid realization vc procedures hope you like!
Update
: 2008-10-13
Size
: 79620
Publisher
:
ddda
【
Streaming Mpeg4
】
fdct快速dct变换
DL : 0
演示快速DCT变换和普通dct变换的区别-demonstration FDCT and ordinary Extra transform the difference
Update
: 2008-10-13
Size
: 79311
Publisher
:
lianzhang
【
Special Effects
】
图像dct变换的程序
DL : 0
对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1.对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换,比较结果。 2.可以使用 Matlab - Image Processing Toolbox 中的函数实现。 -gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8 DCT, the only difference reservations DC coefficient, and the preservation of the former 4, 8 or 16 DCT coefficients (DC + AC), and then separately IDCT transformation, the results of the comparison. 2. Using Matlab-Image Processing Toolbox to achieve the function.
Update
: 2008-10-13
Size
: 1036
Publisher
:
朱晓路
【
Other resource
】
exp-dct
DL : 0
在DSP上实现DCT的三角波,方波,正弦波的显示,一个好程序,全的-on DSP for DCT triangular wave, square wave, the sine wave, a good process, and all the
Update
: 2008-10-13
Size
: 9206
Publisher
:
朱岩
【
Develop Tools
】
基于MATLAB的DCT域数字图像水印技术
DL : 0
基于MATLAB的DCT域数字图像水印技术.PDF 利用matlab实现-MATLAB-based DCT digital image watermarking technology. PDF achieved using Matlab
Update
: 2008-10-13
Size
: 861414
Publisher
:
bob
【
Other
】
MATLAB(DCT+DWT)
DL : 0
数字水印(DCT+DWT)原理加代码,这是变化域的主要两方面(Digital watermarking algorithm of DCT and DWT)
Update
: 2024-05-19
Size
: 1236992
Publisher
:
Mickey0328
【
Other
】
MATLAB读取JPEG图片的DCT系数
DL : 0
jpg编解码,提取DCT系数,dc系数和ac系数的哈夫曼编码表等(Jpg coding and decoding, extracting DCT coefficients, DC coefficients and AC coefficients Huffman coding table, etc.)
Update
: 2024-05-19
Size
: 3159040
Publisher
:
coconut97
【
Multimedia program
】
细胞自动机的DCT嵌入和检测
DL : 0
细胞自动机自动生成水印,并在DCT域嵌入,用相关性d进行检测(Cellular automata generate watermark and embed it in DCT Domain)
Update
: 2024-05-19
Size
: 1024
Publisher
:
jerrling
【
Documents
】
基于LSB算法与DCT算法的比较与实现
DL : 0
基于LSB算法与DCT算法的比较与实现,对比前后图片的变化(Comparison and implementation of LSB algorithm and DCT algorithm)
Update
: 2024-05-19
Size
: 56320
Publisher
:
Srae
【
Special Effects
】
MATLAB数字水印[dwt+dct多攻击+GUI界面]
DL : 0
本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comparison digital watermarking system. With GUI interface. There is a main interface GUI, which can call the sub interface of DWT method and DCT method. The process includes: reading host image and watermark image, embedding, attack of various methods (cutting, adding noise, rotation, etc.), extracting, and finally evaluating the robustness of different attacks by using PSNR peak signal-to-noise ratio.)
Update
: 2024-05-19
Size
: 32044032
Publisher
:
www.wobishe.com
【
Special Effects
】
基本数字水印和DCT数字水印
DL : 0
掌握基本数字水印和DCT数字水印的实现和检测方法;检验DCT数字水印,抵抗高斯噪声攻击、椒盐噪声攻击、剪切攻击和旋转攻击的能力。(Grasp the implementation and detection methods of basic digital watermarking and DCT digital watermarking, and test the ability of DCT digital watermarking to resist Gauss noise attack, salt and pepper noise attack, shear attack and rotation attack.)
Update
: 2024-05-19
Size
: 147456
Publisher
:
kkkknnnnnn
【
Special Effects
】
DCT,DWT,DFT,LSB数字水印MATLAB+GUI界面
DL : 1
本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method contrast digital watermarking system. With GUI interactive interface. There is a main interface GUI, which can call the sub interfaces of DWT method and DCT method. The process includes: reading host image and watermark image, embedding, attacks of various methods (cutting, adding noise, rotation, etc.), extracting. Finally, PSNR peak signal-to-noise ratio is used to evaluate the robustness of different attacks.)
Update
: 2024-05-19
Size
: 10000384
Publisher
:
MATLAB道长
【
matlab
】
MATLAB数字水印[GUI,dwt,dct,lun文]
DL : 0
该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比,有一个GUI界面,包括嵌入,加噪,旋转,剪切,压缩等多种攻击,提取候,具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedding, noise adding, rotation, cutting, compression and other attacks, extraction, and evaluation index PSNR, NC to evaluate the robustness of the algorithm)
Update
: 2024-05-19
Size
: 20537344
Publisher
:
可乐一生
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