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This is a package to calculate Discrete Fourier/Cosine/Sine Transforms of 1-dimensional sequences of length 2^N. This package contains C and Fortran FFT codes.
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vc++数字图像编程基础，包括点运算、几何变换（平移、旋转、缩放、镜像）、正交变换（沃尔什、傅里叶、离散余弦）、图像增强（图像平滑、中值滤波、梯度锐化、拉普拉斯锐化）、形态学变换（腐蚀、膨胀、开、关）、边缘与轮廓（robert、sobel、frewit、kirsch、gauss-laplace边缘检测算子，hough变换，轮廓提取，轮廓跟踪）、图像分析（阈值分割、投影检测、差影检测、模板匹配）、图像复原（卷积模糊、逆滤波复原、维纳滤波复原，随机、椒盐噪声）、图像编码（赫夫曼编码、香农费诺编码、行
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继 Discrete Cosine Transform: Algorithms, Advantages, Applications (K. R. Rao and P. Yip) 之后的一本关于离散余弦变换(DCT)的快速实现算法的最新专著. 本书第五章“Integer Discrete Cosine/Sine Transforms”关于DCT整数近似实现写的非常详细和精彩, 很方便大家编程实现. 值得一提的是本书的第一作者Vladimir Britanak 一直在从事DCT, 尤其是改进的离散余
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High Speed Face Recognition Based on Discrete Cosine Transforms and Neural Networks
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FFT General Purpose Package to calculate Discrete Fourier/Cosine/Sine Transforms of 1-dimensional sequences of length 2^N-FFT General Purpose Package to calculate Discrete Fourier/Cosine/Sine Transforms of 1-dimensional sequences of length 2^N
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discrete cosine transforms for embedded systems
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High information redundancy and correlation in face images result in efficiencies when such images are used directly for recognition. In this paper, discrete cosine transforms are used to reduce image information redundancy because only a subset of t
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Image fusion is a process which combines the data from two or more source images from the same scene to
generate one single image containing more precise details of the scene than any of the source images. Among
many image fusion methods like ave
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一种基于《The Discrete Fractional Cosine and Sine Transforms》分数阶傅立叶变换程序-Fractional fourier transform based on <<The Discrete Fractional Cosine and Sine Transforms>>
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西方快速Fourier变换。FFTW是计算离散Fourier变换（DFT）的快速C程序的一个完整集合，它可计算一维或多维、实和复数据以及任意规模的DFT。FFTW还包含对共享和分布式存储系统的并行变换。FFTW由麻省理工学院计算机科学实验室超级计算技术组开发。
-FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbi
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Matlab code to study the decorrelation and energy packing efficiency of three transform
techniques: Karhunen-Loève transform (KLT), discrete-cosine transform (DCT), and Walsh-Hadamard transform (WHT). Using a given vector of signal samples, it tra
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the discrete fractional Cosine
算法参考：
S.-C. Pei, M.-H. Yeh.
Discrete fractional Cosine and Sine transforms.
IEEE Trans. Sig. Proc., 49(6):1198--1207, 2001-the discrete fractional Cosine algorithm Reference: S.-C. Pei, M.-H. Yeh. Discrete fr
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1.二值化处理的源代码
2.对角镜像处理
3.离散余弦变换处理
4.傅立叶变换处理
5.（图像复原）
6.加入随机噪声
7.直方图均衡处理
8.几何变换
9.图像处理头文件
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-1. 2 value of the source code for two. Right angle image processing 3. Discrete Cosine Transform 4. Fourier transform handle
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The object of image compression is to minimiz
redundant information. This redundancy is due to correlation
between adjacent pixels in a digital image. Different approaches
with variable efficacies deal with this type of redundancy the
decompo
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In this paper, we show a class of relationships
which link Discrete Cosine Transforms (DCT) and Discrete Sine
Transforms (DST) of types V, VI, VII and VIII, which have
been recently considered for inclusion in the future video coding
technology.
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利用霍夫曼编码进行图像压缩处理，此程序为霍夫曼编码的示例(The performance of a Huffman code is a function of the entropy of the signal distribution and therefore can be
highly dependent in the transform domain in which the code is applied. For example, JPEG partitions an image
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