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[Special Effectswartemarking123

Description: 又一种实现数字水印的代码,希望喜欢,用到了DCT和小波变换-also a digital watermark code, like that used by DCT and wavelet transform
Platform: | Size: 49152 | Author: 刘贺 | Hits:

[Picture Viewerdatacomepressed

Description: 这是使用小波变换,jpeg以及DCT变换对图像进行的压缩 -This is the use of wavelet transform, and the DCT jpeg images of the compression
Platform: | Size: 563200 | Author: yangfeng | Hits:

[Special Effectswaveletdct

Description: matlab中用于小波变换和DCT的好的程序代码,无需编译直接使用。-Matlab used wavelet transform and DCT good code, the compiler no direct use.
Platform: | Size: 6144 | Author: 张凡 | Hits:

[Special Effectstuxiang

Description: 主要是对图像实现DFT,DCT变换,利用二维小波分析对图像作二层小波分解,显示条状图,十字图及频谱等-Realize the image is mainly DFT, DCT transform, the use of two-dimensional wavelet analysis of images for the second floor of wavelet decomposition, indicating strip maps, charts and cross spectrum
Platform: | Size: 3072 | Author: 袁辉 | Hits:

[WaveletDCTDWT

Description: 基于DCT和DWT的图像水印算法,离散小波变换 离散余弦变换-DCT and DWT-based image watermarking algorithm, discrete wavelet transform discrete cosine transform
Platform: | Size: 287744 | Author: 陈彩琼 | Hits:

[Special Effectssignal-analysis

Description: dctcom.m文件利用DCT变换完成对输入图像进行压缩;imagecbe.m完成对输入的两幅RGB图像用小波分析的方法进行图像融合 imagecom.m完成对输入的RGB图像用小波分析的方法进行自动降噪,得到高频系数阈值,降噪效果百分比和结果 wavelet1D.m完成对输入的一维信号进行多尺度离散小波分解 wavelet2D完成对输入的二维信号进行多尺度离散小波分解;zigzag.m完成对输入的8*8矩阵按照zigzag排列抽取数据.-document the use of DCT transform dctcom.m completion of the input image compression imagecbe.m completion of the two RGB input image with wavelet analysis method of image fusion imagecom.m completion of the input RGB image using wavelet analysis method automatically drop noise, the threshold of high-frequency coefficient, noise reduction effect and the results of the percentage of wavelet1D.m completion of the input signals of one-dimensional discrete wavelet multi-scale decomposition wavelet2D completion of the input signals of two-dimensional discrete wavelet multi-scale decomposition zigzag.m completed the input of 8* 8 matrix of data collected in accordance with the zigzag order.
Platform: | Size: 3072 | Author: zhouhao | Hits:

[Special EffectsTen

Description: 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换( 2DDFT ) 10.2.4 快速傅立叶变换( FFT ) 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换 10.5 Radon 变换 10.6 小波变换 10.6.1 小波的定义 10.6.2 小波变换函数 10.6.3 小波变换实例 10.6.4 小波除噪与压缩函数 -Chapter X MATLAB image orthogonal transformation orthogonal transformation 10.1 GM 10.2 Operators 10.2.1 Fourier transform Fourier transform Fourier 10.2.2 the nature of the principle of two-dimensional 10.2.3 Discrete Fourier Transform (2DDFT) 10.2 .4 Fast Fourier Transform (FFT) 10.2.5 Fourier Transform 10.3 Research and Application of Discrete Cosine Transform 10.3.1 DCT transformation matrix 10.3.2 dct2 function and dctmtx function 10.4 Walsh-Hadamard Transform 10.5 Radon Transform 10.6 wavelet transform 10.6.1 the definition of wavelet function 10.6.2 Wavelet Transform Wavelet Transform 10.6.3 Examples 10.6.4 Wavelet Denoising and Compression Functions
Platform: | Size: 5120 | Author: 王万国 | Hits:

[matlabsbc

Description: Wavelet Subband coding for speaker recognition The fn will calculated subband energes as given in the att tech paper of ruhi sarikaya and others. the fn also calculates the DCT part. using this fn and other algo for pattern classification(VQ,GMM) speaker identification could be achived. the progress in extraction is also indicated by progress bar.-Wavelet Subband coding for speaker recognitionThe fn will calculated subband energes as given in the att tech paper of ruhi sarikaya and others. The fn also calculates the DCT part. Using this fn and other algo for pattern classification (VQ, GMM) speaker identification could be achived. the progress in extraction is also indicated by progress bar.
Platform: | Size: 88064 | Author: chan man man | Hits:

[Special EffectsA_Study_og_Face_Recognition_Methods_Baced_on_Wavel

Description: 针对灰度图像,提出一种基于知识的人脸检测方法。 提出了一种给予支持向量机的人脸检测方法。 提出了一种基于小波分解的LDA人脸识别方法。 提出了一种基于小波和DCT的人脸识别方法。 提出了一种机遇CEDT和支持向量机的人脸分类和识别方法。 -For gray-scale images, a knowledge-based face detection methods. A support vector machine method of face detection. A wavelet decomposition of the LDA-based face recognition methods. A wavelet and DCT-based face recognition methods. A CEDT opportunities and support vector machine classification and face recognition.
Platform: | Size: 7113728 | Author: yanyan | Hits:

[Audio programDCT

Description: DCT域音频水印算法代码,用于音频媒体版权的保护-Audio Watermarking Algorithm for DCT-domain code
Platform: | Size: 1024 | Author: cj | Hits:

[Streaming Mpeg4DFilter_Research

Description: 波器结构研究与子波变换域图像降噪研究 论文包括两个方面:离散余弦变换(DCT)的快速算法及滤波器实现结构, 子波变换域图像门槛降噪。离散余弦变换是广泛应用十信号处理、图像处理领 域的重要工具之一,已经被多个国际标准所接受,如JPEG, MPEG, H.263等。 DCT应用到实际系统中的前提是具有能够快速实现的算法,自从1977第一个 真正的DCT快速算法出现以来,寻求更快、更规则、更简单的DCT快速算法一 直是信号处理领域的一个研究方向。论文针对应用中对DCT长度的各种需要, 研究DCT的快速算法和适用十硬件和并行处理的滤波器结构。取得的主要进展 -Filter structure with the wavelet transform domain image denoising Research
Platform: | Size: 1903616 | Author: 鬼子皮 | Hits:

[Othercode

Description: 基于离散小波余弦变换DCT的数字水印算法,实现了水印的嵌入提取等过程。毕业设计源代码-Discrete Cosine Transform Based on Wavelet Digital Watermarking Algorithm in DCT, the watermark embedded in the realization of the process of extraction. Graduation Project source code
Platform: | Size: 218112 | Author: xiaobao89 | Hits:

[Special EffectsxiaoboDCT

Description: 在MATLAB中采用DCT的方法及小波分解的方法分别对多光谱图像进行数据融合。-DCT in MATLAB, using the method and the method of wavelet multi-spectral images respectively for data fusion.
Platform: | Size: 2048 | Author: 温黎茗 | Hits:

[matlabvideowatermarking

Description: video watermarking based on dct, svd, LSB and wavelet all works good use vipmen video in matlab
Platform: | Size: 1180672 | Author: satguru | Hits:

[matlabMATLABimagecompression

Description: 共7个matlab程序及两幅原始待处理图像,功能是图像压缩的实验,分别运用了DCT(1个程序),小波变换(5个程序)和小波包变换(1个)对图像进行压缩,各个程序的作用及程序注释已在程序中做了详细说明,程序均可直接运行-matlab program for image compression ,using DCT wave,wavelet,wavelet packet methods respectively .
Platform: | Size: 49152 | Author: John | Hits:

[matlabmatlab

Description: 各种数字水印的matlab源代码,DCT,小波变换等。-Various digital watermarking matlab source code, DCT, wavelet transform.
Platform: | Size: 250880 | Author: klerff | Hits:

[Waveletcomparaison JPEGandJPEG2000final

Description: program matlab comparat the jpeg and jpeg2000
Platform: | Size: 480256 | Author: bilabila | Hits:

[Graph program图像去噪(matlab)

Description: 使用中值,均值,小波,DCT,PCA五种方法实现对图像的去噪处理。(Five methods, median, mean, wavelet, DCT and PCA, are used to denoise the image.)
Platform: | Size: 14461952 | Author: Jonn | Hits:

[Special EffectsMATLAB数字水印[dwt+dct多攻击+GUI界面]

Description: 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.)
Platform: | Size: 32044032 | Author: www.wobishe.com | Hits:

[Special EffectsDCT,DWT,DFT,LSB数字水印MATLAB+GUI界面

Description: 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.)
Platform: | Size: 10000384 | Author: MATLAB道长 | Hits:
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