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dct- computes de discrete cosine transform for a matriz 8*8 from a picture.It receaves the point of the block where begin calculate, the tam of the block and the original picture...
lLoyd-max- computes de lLoyd-max optimum quantizer for N bits.
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3.1 概述
3.2 可分离图像变换
3.3 离散傅里叶变换和性质
3.4 快速傅里叶变换
3.5 离散沃尔什变换
3.6 离散余弦变换
3.7 小波变换
-3.1 overview 3.2 detachable image transform 3.3 Discrete Fourier Transform and Fast Fourier Transform 3.4 Properties 3.5 Discrete Walsh Transform 3.6 Discret
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discrete cosine transform serial port
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The Discrete Cosine Transform (DCT)
Theory and Application
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Implementation of one dimensional Discrete cosine transform using verilog for FPGA implementation
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脑神经网络信号的离散余弦分类。所谓分类就是一种模式识别。按照某个特定标准(如距离准则)把一个数据集分割成不同的类或簇,分类后同一类的数据尽可能聚集到一起,不同数据尽量分离。而离散余弦变换是一种用来数据压缩的正交变换。所谓数据的压缩实际上就是通过丢失能量较小高频分量,保留能量较高的低频分量,从而达到压缩的目的。-Brain network signal discrete cosine classification. The so-called classification is a kind of
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基于SVD的DCT域和DWT域的经典水印算法,该算法通过提取水印水印的主成分并把该主成分嵌入到奇异值矩阵,鲁邦性非常高。-the principal components of the watermark are embedded into the host image in discrete cosine transform (DCT) and for the second method, those are embedded into the host image in discrete
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MATLAB 的傅里叶变换的一些介绍
1. 离散傅立叶变换的 Matlab实现
2. 离散余弦变换的 Matlab 实现
3. 图像小波变换的 Matlab 实现函数-The MATLAB Fourier transform some introduction. Discrete Fourier Transform Matlab. Discrete Cosine Transform Matlab achieve wavelet transform Matlab implement f
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提出了一种基于DCT提取人脸特征技术和支持向量机分类模型的人脸识别方法。利用离
散余弦变换可提取人脸可识别的大部分信息,而支持向量机作为分类器,在处理小样本、高维数等
方面具有独特的优势,且泛化能力很强,无需先验知识。从ORL 人脸库上的实验结果可以看出,
DCT特征提取是很有效的,且SVM的分类性能优于最近邻分类器,同时提高了整个系统的运算速
度。-A face recognition method based on DCT for face feature extractio
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二维离散余弦反变换,整个频域到时域的转换,加深对数字信号处理的理解-Two-dimensional inverse discrete cosine transform, the entire frequency domain to time domain conversion, and deepen the understanding of the digital signal processingTwo-dimensional discrete cosine transform, the fr
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some fast feature extraction algorithms are addressed for joint retrieval of images
compressed in JPEG and JPEG2000 formats. In order to avoid full decoding, three fast algorithms that
convert block-based discrete cosine transform (BDCT) into wav
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Discrete Cosine Transform
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Matlab code for discrete cosine transform and discrete wavelet transform
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用于现代信号分析与处理课程,正交变换、K-L变换与离散余弦变换。-For modern signal analysis and processing programs, orthogonal transform, KL transform and discrete cosine transform.
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离散余弦变换和离散余弦反变换的介绍,以及两者之间的区别-Introduce the discrete cosine transform and inverse discrete cosine transform, and the difference between the two
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离散余弦变换原理的文献介绍,简单明了,适合速成-Discrete Cosine Transform literature describes the principle, simple, suitable for crash
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8*8离散余弦反变换的简单介绍文献,形象生动,简单明了-8* 8 discrete cosine transform brief literature, vivid, simple
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The discrete cosine transform (DC T) represents an image as a sum of
sinusoids of varying magnitudes and frequencies. The dct2 function
computes the two-dimensional discrete cosine transform (DC T) of an
image. The DC T has the property that, f
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基于离散余弦变换的数字水印嵌入以及实现代码-Embedded watermarking based on discrete cosine transform and implementation code
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Image Compression Using the Discrete cosine transform.
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