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Description: altera fpga verilog 设计的基于查找表的DCT程序及zigzag扫描程序，已经过matlab 和modelsim
验证，文件中包含TESTBENCH ，直接可用-altera fpga verilog design table DCT-based search procedures and zigzag scanning procedures, and ModelSim matlab has been verified, the document contains TESTBENCH, directly available
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Size: 15400960 |
Author: alison |
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Description: 实现JPEG的压缩和编码
（1）首先通过DCT变换去除数据冗余；
（2）使用量化表对DCT系数进行量化；
（3）对量化后的系数进行Huffman编码。
-The realization of JPEG compression and coding (1) First of all, through the DCT transform to remove data redundancy (2) the use of quantization table of quantization DCT coefficients (3) of the coefficients after quantization Huffman coding.
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Size: 2048 |
Author: 李雅 |
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Description: HART协议的均衡器设计 DCT LMS 设计 + 位同步设计，仿真证明了设计的有效性-HART protocol design DCT LMS equalizer design+ Bit synchronous design, simulation proves the validity of the design
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Size: 21504 |
Author: 进正化 |
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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
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Size: 5120 |
Author: 王万国 |
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Description: DCT域数字水印源代码.水印嵌入，水印检测，攻击实验以测试鲁棒性，重要参数计算。希望对做数字水印的XDJM有所帮助。--DCT-domain digital watermarking source code. Watermark embedding, watermark detection, attack experiment to test the robustness, an important parameter calculation. Want to do digital watermarking XDJM help.--
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Size: 1024 |
Author: 摩罗逊 |
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Description: 一种DCT变换的数字音频水印技术，可以进行水印的嵌入和提取-DCT transform of a digital audio watermarking technique that can be embedded and extracted watermark
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Size: 1024 |
Author: 半半倒 |
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Description: 基于MATLAB的DCT变换在jpeg图像压缩中的应用-MATLAB-based DCT transform in the jpeg image compression
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Size: 109568 |
Author: zhanglei |
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Description: ~~多种变换的数字水印源码DCT DWT-~ ~ A wide range of digital watermarking Transform DCT DWT source
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Size: 6144 |
Author: 张川 |
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Description: 基于DCT变换的水印图像水印算法源代码（matlab实现）。将文件解压缩到MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。-Based on the DCT Transform Watermarking Image Watermarking Algorithm source code (matlab achieve). Extract the file to the MATLAB installation directory under the work folder, then open the document aaa.m, running can be.
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Size: 56320 |
Author: xuan |
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Description: dct域的图像数字水印，将水印图像信息隐藏在DCT系数的中频部分。-DCT domain image watermarking, the watermark image information hidden in the intermediate frequency part of DCT coefficients.
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Size: 205824 |
Author: zyy |
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Description: JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
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Size: 1024 |
Author: 蔡同学 |
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Description: DCT域图像水印算法的研究Matlab程序-DCT-Domain Image Watermarking Algorithm Matlab procedures
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Size: 547840 |
Author: daimin |
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Description: 一个mpg压缩的水印提取程序,考虑到了几种压缩格式,并基于此提出DCT频率域上的水印提取.对学习视频水印的人有help-Mpg compressed a watermark extraction procedure, taking into account several types of compression formats, and based on this proposed DCT frequency domain watermark extraction. For learning video watermarking help people
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Size: 1024 |
Author: zzy |
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Description: 1．首先通过DCT变换去除数据冗余；
2．使用量化表对DCT系数进行量化；
3．对量化后的系数进行Huffman编码。
具体源程序由主程序及两个子程序（DCT量化、Huffman编码）组成：
-1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quantization of the coefficients after Huffman coding. Specific source from the main program and two subroutines (DCT quantization, Huffman encoding) consists of:
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Size: 4096 |
Author: 龙活 |
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Description: 基于dct变换的数字水印 matlab源码及测试用数据-Based on the DCT Transform Digital Watermarking matlab source code and test data
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Size: 659456 |
Author: jcl |
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Description: 函数用于DCT的信息隐藏,在变换域嵌入隐藏的信息-Function for the DCT information hidden in the transform domain embedded hidden information
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Size: 1024 |
Author: 潘露 |
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Description: 常用图像压缩编码码matlab实现。包括：DM编码、变换编码（FFT和DCT）、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。-Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Huffman coding, linear predictive coding and a process similar to JPEG encoding. Very suitable for the practice of entry-users.
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Size: 181248 |
Author: liliang |
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Description: 内容认证半脆弱水印算法的研究与实现,本程序实现图像的半脆弱水印，是基于DCT的算法，特别适合研究半脆弱水印的同志-Content authentication semi-fragile watermarking algorithm for Research and Implementation of, the procedures for the realization of the semi-fragile watermarking images is based on the DCT algorithm, especially appropriate to study the semi-fragile watermarking comrades
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Size: 303104 |
Author: byleimin |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、fir和Lattice结构；IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, including Z Transform Transform, Chirp Z Transform, FFT transform, DCT transform and Hilbert transform, etc. discrete system architecture including IIR, fir and Lattice structure IIR filter design, including analog and digital low-pass, high-
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Size: 3072 |
Author: 东 |
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Description: dct based visible watermarking algorithm
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Size: 53248 |
Author: shartah |
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