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jpeg_encode+decoderhojoon
This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
(This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
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- 2009-09-17 13:07:04下载
- 积分：1
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mobile
Full Telephone Mobile System model in matlab
- 2013-08-22 18:21:13下载
- 积分：1
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TCCI_2011_edge
ant colony implementation of recent idea. u can run this on matlab
- 2012-02-15 15:53:11下载
- 积分：1
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gpsofunc
matlab环境下书写的PSO的GPSO算法附有引用函数(matlab environment, written in PSO algorithm with reference to the function of GPSO)
- 2009-10-23 00:57:30下载
- 积分：1
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1
说明： 灰色预测MATLAB源代码,很有用的哦.(Gray prediction MATLAB source code, very useful Oh.)
- 2008-05-05 17:30:48下载
- 积分：1
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prnn8
说明： Parzen窗法，由样本求概密估计，例为一维正态分布和双峰均匀分布，内附随机数生成的原理说明。( window method, by the sample density estimate for estimated Example for one-dimensional normal distribution and bimodal uniform distribution, random number generator containing a description of the principle.)
- 2010-04-09 14:08:57下载
- 积分：1
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rectifier3phase
a 3 phase rectifier ckt matlab simulink model
- 2012-08-24 13:10:51下载
- 积分：1
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lec3
The Support Ve ct or Machi ne
So fa r we have used a reference as sumpt ion tha t there exists a linear classifier that has
a larg e ge ometric margin, i.e., whose decision b oundar y is we ll separa ted from all the
training images (e xamples). Such a larg e margin classifier seems like one we would like to
use. C an’t we find it more directly? Yes, we can. The clas sifier is known as the Support
Ve ctor M achine or SVM for short.
- 2013-12-02 14:38:02下载
- 积分：1
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ZhengweiSVPWM
可以使用matlab中的simulink仿真出PWM波，从而有效的控制永磁同步电机四象限运行。(Can use matlab simulink simulation of the PWM wave, in order to effectively control the four-quadrant operation of the permanent magnet synchronous motor.)
- 2012-07-19 13:28:08下载
- 积分：1
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LMS
基于LMS算法的自适应数字滤波器过程中，自适应算法LMS的matlab实现(LMS algorithm based adaptive digital filter process, the LMS adaptive algorithm realize matlab)
- 2011-10-18 19:26:38下载
- 积分：1
