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rgbquadtreehojoon
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.
)
- 2009-09-17 14:52:16下载
- 积分：1
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goldensh
golden search!golden search!golden search!
- 2010-06-23 21:18:02下载
- 积分：1
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example2
MATLAB常用的例子，这里举了100个常用的，目录已经单独传上，这是一部分例题!(MATLAB common examples cited here of the 100 commonly used, the directory has a separate mass, this is the first part of Example!)
- 2009-06-02 22:37:24下载
- 积分：1
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grey-model
MATLAB求解灰色模型的编程，直接换掉数据就可以了
(MATLAB in gray programming model)
- 2012-08-21 18:57:12下载
- 积分：1
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Machine_Learning
关于机器学习的matlab范例，最好多执行，尤其可以通过一段一段的执行脚本来更好地理解机器学习是如何处理经典问题的(MachineLearning.m is the main script that needs to be d. You can this script section-by-section.
It demostrates the use of different machine learning techniques for a classification problem.)
- 2014-11-17 15:09:54下载
- 积分：1
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Subspace-smoothing-algorith
用于求解多个相干信号源的波达方向的子空间平滑算法(Subspace smoothing algorithm for solving the direction of arrival of multiple coherent sources )
- 2015-02-02 21:24:18下载
- 积分：1
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id3
Decision region vector
For the decision region
Number of bins for the data
Percentage of incorrectly assigned samples at a nod
Unknown command option
This function recieves a parameter vector and returns it s components
The parameter vector is completely numeric. This is much simpler
Percentage of incorrectly assigned samples at a node
- 2013-04-29 16:00:32下载
- 积分：1
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remmean
该函数是matlab编写的对一列数据进行去平均处理，两种去平均的方法（里面有三个程序），里面有详细解释说明，看看即懂！(This function is a matlab prepared to go on an average of the data processing, two kinds of methods to average (there are three procedures), which has a detailed explanation, see that understand!)
- 2014-02-03 22:42:28下载
- 积分：1
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bluetooth-model_true
蓝牙仿真，出自师兄发表的论文，真码未验证，换句话说，我没试过。可能是个宝(Bluetooth emulation, from senior papers, real code is not verified, in other words, I have not tried. May be a treasure)
- 2011-07-04 15:38:20下载
- 积分：1
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feature_selection_similarity
肠型胃癌的基因表达谱数据。已经处理好。空缺值用均值代替。
第一行是肠型胃癌基因表达谱数据中样本的类别
- 2012-06-06 18:54:08下载
- 积分：1
