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小波变换的图像压缩 jpeg2000_matlab
JPEG 2000是基于小波变换的图像压缩标准，由Joint Photographic Experts Group组织创建和维护。JPEG 2000通常被认为是未来取代JPEG（基于离散余弦变换）的下一代图像压缩标准。JPEG 2000文件的副档名通常为.jp2，MIME类型是image/jp2。 JPEG 2000的压缩比更高，而且不会产生原先的基于离散余弦变换的JPEG标准产生的块状模糊瑕疵。JPEG 2000同时支持有损数据压缩和无损数据压缩。另外，JPEG 2000也支持更复杂的渐进式显示和下载。 JPEG 2000是国际标准化组织（ISO）发布的标准，文档代码为ISO/IEC 15444-1：2000。虽然JPEG 2000在技术上有一定的优势，但是到目前为止（2006年），互联网上采用JPEG 2000技术制作的图像文件数量仍然很少，并且大多数的浏览器仍然不支持JPEG 2000图像文件的显示。但是，由于JPEG 2000在无损压缩下仍然能有比较好的压缩率，所以JPEG 2000在图像品质要求比较高的医学图像的分析和处理中已经有了一定程度的广泛应用。
(JPEG 2000 is based on wavelet transform the image compression standard, by Joint Photographic Experts Group organization to create and maintain. JPEG 2000 is often thought to be the future replace JPEG (based on the discrete cosine transform) is the next generation of image compression standard. The file JPEG 2000 vice file name is usually. Jp2, MIME type is image/jp2. JPEG 2000 compression ratio are higher, but won t produce the original based on discrete cosine transform JPEG standard of produce massive fuzzy flaws. JPEG 2000 also detrimental to support data compression and nondestructive data compression. In addition, JPEG 2000 also support more complex gradual display and download. JPEG 2000 is international organization for standardization (ISO) issued the standard, the document code for ISO/IEC 15444-1:2000. Although JPEG 2000 on the technology has certain advantages, but so far (2006), the Internet using JPEG 2000 technical production image file number still few, and most )
- 2012-05-25 21:57:11下载
- 积分：1
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PSNR
求图像的峰值信噪比PSNR，下载可以直接使用，希望能够帮助需要的同学(The peak signal to noise ratio of PSNR for the image.Download can be used directly, hope to help students in need.)
- 2015-04-13 14:45:45下载
- 积分：1
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(HOSA)Toolbox
高阶谱分析，很实用，能帮助分析非平稳信号(Higher order spectral analysis, it is useful to help analyze non-stationary signals)
- 2014-02-08 21:33:37下载
- 积分：1
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lp
说明： 线性预测算法
输入：阶数p，快拍数据协方差矩阵R，观察范围内各方向导向矢量，三维矩阵phiyz。
输出：线性预测谱估计矩阵P。(Linear prediction algorithm
Input: the order of p, snapshot data covariance matrix R, observe the direction in the range of steering vector, three-dimensional matrix phiyz.
Output: linear prediction spectral estimation matrix P.)
- 2012-05-13 09:27:57下载
- 积分：1
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npp2
这是一个有关中国邮递员的问题的算法，可以用于许多实际的问题(This is an issue of the Chinese postman algorithm can be used for many practical problems)
- 2011-09-01 16:24:07下载
- 积分：1
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QuadraticBarElement
有限元QuadraticBarElement的matlab程序(FEA matlb)
- 2013-10-12 23:20:20下载
- 积分：1
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7-5-128-134
optimization of speeed of bldc motor is now a days very much demanded in history
- 2013-10-14 02:03:59下载
- 积分：1
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EA
说明： 使用遗传算法、粒子群优化算法和量子遗传算法对认知无线网络进行频谱分配(Using genetic algorithms, particle swarm optimization algorithm and quantum genetic algorithm for spectrum allocation in cognitive radio networks)
- 2013-10-22 16:27:56下载
- 积分：1
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NetPowers3Ph
Network Powers 3 Phases
- 2013-04-17 11:27:05下载
- 积分：1
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Z-Source
Z-Source变换器matlab仿真模型，输入电压24V，输出电压110V。(Z-Source converter， matlab models.)
- 2013-04-25 19:45:20下载
- 积分：1
