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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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ComplexModelReal
复杂网络仿真及数据，matlab程序
电力网，公交网等电力网，公交网等(complex network)
- 2011-06-10 17:44:31下载
- 积分：1
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Bbeiijingyidoa
背景移动补偿技术的研究，是关于车辆检测期间对于背景移动的情况进进行的补偿技术的改进性的研究，希望对大家有所帮助。 已通过测试。
(Background compensation mobile technology, are about the context of vehicle detection during the moovement for the compensation technique to improve the research, hoping for U.S. help. Have passed the
)
- 2012-05-18 15:55:16下载
- 积分：1
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FOCUSSdeyuandaima
FOCUSS算法，稀疏重构的一种算法，可用于信源定位的方法研究(FOCUSS algorithm. )
- 2015-05-15 17:28:10下载
- 积分：1
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fmm
快速多级子算法，类似与FFT的加速！ 快速多级子算法，类似与FFT的加速！多层快速多极子算法中的关键技术代码,希望对你们有用,不是很完整(fmm hopefast multipole method！ Very fast and complex！ fast multipole method！ Very fast and complex！)
- 2020-10-12 22:27:32下载
- 积分：1
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modulation&demodulation
支持多种星座符号调制和解调，包括m-PSK和m-QAM(Supports a variety of constellation symbol modulation and demodulation, including m-PSK and m-QAM)
- 2018-11-30 11:03:14下载
- 积分：1
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Regressionanalysis
回归的各种分析实例以及matlab代码，包括各种数学应用，比如线性回归，非线性回归，逐步回归(Examples of regression analysis, as well as a variety of matlab code, including a variety of mathematical applications such as linear regression, nonlinear regression, stepwise regression)
- 2020-09-18 09:07:56下载
- 积分：1
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WASPCN_MatLab(Mex64)
MatLab调用接口(Mex方式64位)(MatLab Call Interface (Mex mode 64))
- 2021-05-14 23:30:02下载
- 积分：1
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cl
说明： matlab潮流计算，利用牛顿法计算线路潮流，各位大神进来指点(Matlab power flow calculation, using Newton method to calculate line power flow, you gods come in and give advice)
- 2019-05-05 14:15:47下载
- 积分：1
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tvBlinddeconvolution
matlab code on color tv denoising
- 2009-02-28 22:47:59下载
- 积分：1
