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压缩解压 the attached utility is a work I ve submitted to the university It shows what a jpeg compression is
the attached utility is a work I ve submitted to the university
It shows what a jpeg compression is all about.
the function implements the DCT transform, using a matrix operator.
note that matlab has a function for the DCT and iDCT transforms
that might be more efficient.
压缩解压 几种常用的压缩算法 本程序包含以下功能： 1、 Arithmetic coding 2、 Huffman coding 3、 LZ77 coding 4、 LZ78 coding 5、 L
几种常用的压缩算法
本程序包含以下功能：
1、 Arithmetic coding
2、 Huffman coding
3、 LZ77 coding
4、 LZ78 coding
5、 LZW
6、 RLE
7、 DCT
8、 Furie transform
学术论文 一种基于SIFT描述子的特征匹配新算法
为了克服传统的局部特征匹配算法对噪声和图像灰度非线性变换敏感的不足，提出了基于SIFT（Scale Invariant Feature Transform）描述算子的特征匹配算法。该算法首先
数学计算 FRFT时频变换代码（参考算法：H.M. Ozaktas, M.A. Kutay, and G. Bozdagi.Digital computation of the fractional Fouri
FRFT时频变换代码（参考算法：H.M. Ozaktas, M.A. Kutay, and G. Bozdagi.Digital computation of the fractional Fourier transform.IEEE Trans. Sig. Proc., 44:2141--2150, 1996.）
技术资料 一种基于SIFT描述子的特征匹配新算法
为了克服传统的局部特征匹配算法对噪声和图像灰度非线性变换敏感的不足，提出了基于SIFT（Scale Invariant Feature Transform）描述算子的特征匹配算法。该算法首先
其他 NN Functions a program in Lisp to demonstrate working of an artificial neuron. (Enter an input vect
NN Functions
a program in Lisp to demonstrate working of an artificial neuron. (Enter an input vector X and weight vector W. Calculate weighted sum XW. Transform this using signal or activation functions like logistic, threshold, hyperbolic-tangent, linear, exponential, sigmoid or some other functio ...
其他书籍 The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for the cod
The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for
the coding (compression) of natural video images. The new standard [1] will be known as H.264 and
also MPEG-4 Part 10, “Advanced Video Coding”. This document describes the transform and
quantization process ...
VHDL/FPGA/Verilog 16点FFT VHDL源程序
16点FFT VHDL源程序，The xFFT16 fast Fourier transform (FFT) Core computes a 16-point complex FFT. The input data
is a vector of 16 complex values represented as 16-bit 2’s complement numbers – 16-bits for
each of the real and imaginary component of a datum.
技术资料 分数阶Fourier变换
分数阶FROURIER变换目标：>FRFT的本质特证之一：旋转不变性>FRFT的本质特征之二：FRFT的内涵>FRFT特别适用于LFM信号的分析与处理>FFT为FRFT的一个特例相关术语>FRFT:Fractional Fourier Transform>广义Fourier变换：Fractional Fourier Transform>STFT:Short-Time Fourier Transform>MSTFT:Modified Short-Time FourierTran ...
书籍 Structure and Interpretation of Signals
Signals convey information. Systems transform signals. This book introduces the mathe-
matical models used to design and understand both. It is intended for students interested
in developing a deep understanding of how to digitally create and manipulate signals to
measure and control the physical wo ...