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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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zhiqushiyongcitongbufenglifadianji
一种直驱式永磁同步风力发电机组的建模，根据初值确定输出功率。(A model of a direct-drive permanent magnet synchronous wind turbines, according to the initial value to determine the output power.)
- 2015-03-28 14:10:04下载
- 积分：1
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matlab
说明： MATLAB 模糊控制PID调节 逻辑工具箱函数说明(MATLAB模糊逻辑工具箱函数)
- 2010-04-07 08:35:45下载
- 积分：1
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LightCompensate
基于matlab实现的图像的光照补偿程序，可以有效提高图像的对比度(Matlab implementation of image-based illumination compensation program that can effectively improve the contrast of the image)
- 2013-07-12 22:07:31下载
- 积分：1
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a
matlab实现的小波变换彩色图像水印嵌入和提取程序(matlab wavelet transform color image watermark embedding and extraction procedures)
- 2013-12-12 22:01:24下载
- 积分：1
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SimRTP
SIMRTP,a RTP demo application from Taiwan.(SIMRTP, a RTP demo application from Taiwan.)
- 2007-04-14 00:13:09下载
- 积分：1
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climbing-algothrim
爬山算法，用于求解全局优化问题，并且可以与其他进化算法相结合纠结全局优化问题。(Climbing algorithm for solving global optimization problems, and can combine with other evolutionary algorithms tangled global optimization problems.)
- 2014-09-29 18:47:40下载
- 积分：1
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replay
This file is part of UBIFS.
- 2015-04-21 11:04:34下载
- 积分：1
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sourcecodeforFaceRecognition
MATLAB平台人脸识别源代码，好几个不错的代码，做人脸识别的可以下载(MATLAB source, face recognition of several good code, do the face recognition can be downloaded)
- 2010-05-14 09:49:00下载
- 积分：1
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M_done_N2
根据Richard.J.Cameron在论文综合N+2耦合矩阵的代码，主要的不同就是进行了去归一化，能够画出真实物理频率的频响曲线(Synthesis the N+2 coupled Matrix ,and which different from the former is thar I change the normalization frequency into reality frequency )
- 2014-07-27 22:06:28下载
- 积分：1
