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jpeg2avihojoon
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 13:05:51下载
- 积分：1
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Untitledmoni
说明： 可以产生二维泊松分布点，十分好用，欢迎使用啊啊(find(rand < cum_prob,1)-1)
- 2020-08-29 15:38:11下载
- 积分：1
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Contempoary_Communication_Systems_Using_Matlab
现代通信系统使用MATLAB第二版（中英文pdf及所有程序m文件）(Contemporary Communication Systems Using Matlab By:JohnG.Proakis )
- 2010-06-28 21:21:20下载
- 积分：1
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code
de-speckling of noise in medical ultra sound images...
- 2013-08-14 18:54:36下载
- 积分：1
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FDFD_polar
This MATLAB code demonstrates the finite-difference frequency-domain
method by modeling transmission and reflectance from a broadband
wire grid polarizer.
- 2009-10-01 12:10:23下载
- 积分：1
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lb
说明： 改进型的形态滤波器（广义形态滤波），的源代码，仅供参考(Improved morphological filter (generalized morphological filter), source code, for reference only
)
- 2012-04-18 14:09:52下载
- 积分：1
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Duffing系统动力学方程
关于达芬系统的分岔图程序，以及其系统的分岔程序的汇编(A Bifurcation Program for Daphne System)
- 2021-04-01 09:59:08下载
- 积分：1
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acquisition
捕获卫星GPS Capture Satellite GPS(Capture Satellite GPS)
- 2020-11-28 20:09:29下载
- 积分：1
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EMD
基于HHT变换的EMD分解程序。通过调用EMD.m的主函数可以解得IMF函数。(HHT in the EMD program, through function call EMD.m can solve for the IMF)
- 2012-06-13 11:53:28下载
- 积分：1
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matlab-code-of-TDOA
用于室内定位的TDOA算法matlab仿真代码：含chan氏，taylor算法，卡尔曼滤波算法，及改进的基于卡尔曼的奇异值抛弃和整体偏移法,考虑NLOS因素(matlab simulation code of the TDOA algorithm For indoor positioning : containing chan s, taylor algorithm, the Kalman filter algorithm, and improved singular value based on Kalman abandoned and the overall offset method)
- 2020-10-05 10:57:38下载
- 积分：1
