搜索资源列表
-
3下载：
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
-
-
1下载：
为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和
Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后
的块进行位置置乱,
-In order to ensure the safety of information transmission network, and a video image encryption method. This met
-
-
0下载：
为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和
Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后
的块进行位置置乱,
-In order to ensure the safety of information transmission network, and a video image encryption method. This met
-
-
0下载：
用 FPGA实现了二维离散余弦变换和逆变换，结构设计采用行列分解法，乘法器采用移位求和的方法实现，并且采用流水线结构设计，提高处理核的性能-Using FPGA to achieve the two-dimensional discrete cosine transform and inverse transform, the structural design of the use of the ranks of decomposition, the sum of multipliers us
-
-
0下载：
这个程序根据公式实现了离散余弦逆变换，可以验证自己编写的离散余弦变换是否正确，对理解公式有帮助。-This procedure according to the formula to achieve the inverse discrete cosine transform, you can write your own validation of discrete cosine transform is correct, understanding the formula help.
-
-
0下载：
B = irdct2(A) returns the two-dimensional inverse discrete cosine transform of A.
The matrix B is the same size as A and contains the discrete cosine transform coefficients B(k1,k2).
-
-
0下载：
Discrete Cosine Transform and other transform information
-
-
0下载：
用ＶＨＤＬ实现dct．离散余弦变换(DCT)在图像编解码方面应用十分广泛,至今已被JPEG、MPEG1、MPEG2、MPEG4和H26x等国际标准所采用。由于其计算量较大,软件实现往往难以满足实时处理的要求,因而在很多实际应用中需要采用硬件设计的DCT处理电路来满足我们对处理速度的要求-Using VHDL implementation dct. Discrete cosine transform (DCT) in image decoding application of very exten
-
-
0下载：
离散余弦变换的MATLAB程序， -Discrete cosine transform of the MATLAB program
-
-
0下载：
Fast DCT(Discrete Cosine Transform) 8-bit decoder
-
-
0下载：
this the code for compression of an image using discrete cosine transform-this is the code for compression of an image using discrete cosine transform
-
-
0下载：
给出图像处理中应用比较广泛的三种方法：Karhunen－Loeve变换-离散余弦变换-小波变换在图像处理中的比较，供参考-Given the image processing application in a wide range of three methods: Karhunen-Loeve transform- discrete cosine transform- wavelet transform in image processing, comparison and for refer
-
-
0下载：
The JPEG compression scheme is divided into the following stages:
1. Transform the image into an optimal color space.
2. Adjust Aspect Ratio 16:9
3. Digitization Scheme 4:2:0.
4. Apply a Discrete Cosine Transform (DCT) to blocks of pixels
-
-
0下载：
基于离散余弦变换的数字水印提取嵌入技术应用-Based on the discrete cosine transform digital watermark embedding technology to extract
-
-
0下载：
3.1语音信号的同态处理和倒谱分析30
3.1.1同态处理的基本原理30
3.1.2复倒谱和倒谱31
3.2离散余弦变换34
3.3Mel频率倒谱系数的分析37
3.3.1Mel滤波器组37
3.3.2MFCC特征参数提取38
3.4小波和小波包变换43
3.4.1小波变换43
3.4.2小波包变换44
3.4.3小波包算法45
3.4.4MATLAB中一维小波和小波包变换函数46
3.4.5MATLAB语音信号小波和小波包变换的例子49
3.
-
-
0下载：
Fusion of images using Discrete Cosine Transform
-
-
0下载：
Audio Watermarking procedures, using the discrete cosine transform, synchronous signal processing se
-
-
0下载：
Multidimensional Discrete Cosine Transform (DCT) matlab code
-
-
3下载：
生成一维离散余弦变换矩阵，可用于对一维信号进行压缩-Generate a one-dimensional discrete cosine transform matrix that can be used for one-dimensional signal is compressed
-
-
0下载：
a new hybrid transform coding methodology for
lossy image compression that integrates discrete wavelet
transform, discrete cosine Transform and singular value
decomposition methods is proposed. The proposed system has
enhancements in both the com
-
