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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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average
this programming shows how to process the image.it contains variable button with different process.
- 2010-07-08 12:51:58下载
- 积分:1
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matlabjc
matlab程序设计教程,ppt,共分13章(matlab programme design teaching material,ppt, having 13 charpter)
- 2009-05-12 21:48:25下载
- 积分:1
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ER
说明: ER: is the code for the Error Ratio metric performance for multi-objective optimization problems: ERtest is the code for no threshold value, whuile ERtest2 code with a thresho d value defined by the user
- 2011-04-04 03:50:57下载
- 积分:1
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Adaptive-Control(Shudiqian)
舒迪前非常经典好用的自适应控制书,内容易懂(adaptive control by Diqian Shu)
- 2012-05-06 21:05:03下载
- 积分:1
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mmc1
说明: Seismo volcanalysis toolbox: signal analysis tools for seismo-volcanic events by P. Lesage
- 2019-05-06 07:43:16下载
- 积分:1
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tuxiang
基于Matlab的边缘检测的研究以及各种算子的对比。(Matlab edge detection based on the research and a variety of comparison operators.)
- 2011-01-06 16:46:41下载
- 积分:1
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openloop(1)
永磁同步电动机的开环控制的matlab/simulink仿真。供大家学习。(Permanent magnet synchronous motor open-loop control matlab/simulink simulation. For everyone to learn.)
- 2020-12-27 19:09:02下载
- 积分:1
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ldpc_bpawgn
使用matlab对ldpc码进行仿真,得到在高斯白噪声和bpsk调制下的误码率曲线
(matlab bp awgn)
- 2010-12-23 20:14:02下载
- 积分:1
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EZWsuanfa-Matlab
说明: EZW算法的过程详解和Matlab代码,关于小波树的变换,在图像处理中的应用(Detailed process of EZW algorithm and Matlab code, the tree on the wavelet transform, applications in image processing)
- 2011-04-08 09:37:45下载
- 积分:1