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yuyinzengqiang
很好的介绍语音增强的论文资料,包括各种算法的MATLAB的实现程序,可供读者学习运用。(very good for studying pitch.)
- 2010-10-03 22:13:33下载
- 积分:1
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MMM
关于排队模型的资料整理,很全面,应用到很多方面,欢迎下载~~~(A lot of materials about queue model, very useful, and they are many applications, welcome to download. )
- 2012-04-25 14:38:15下载
- 积分:1
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sift
1 SIFT 发展历程
SIFT算法由D.G.Lowe 1999年提出,2004年完善总结。后来Y.Ke将其描述子部分用PCA代替直方图的方式,对其进行改进。
2 SIFT 主要思想
SIFT算法是一种提取局部特征的算法,在尺度空间寻找极值点,提取位置,尺度,旋转不变量。
3 SIFT算法的主要特点:
a) SIFT特征是图像的局部特征,其对旋转、尺度缩放、亮度变化保持不变性,对视角变化、仿射变换、噪声也保持一定程度的稳定性。
b) 独特性(Distinctiveness)好,信息量丰富,适用于在海量特征数据库中进行快速、准确的匹配[23]。
c) 多量性,即使少数的几个物体也可以产生大量SIFT特征向量。
d) 高速性,经优化的SIFT匹配算法甚至可以达到实时的要求。
e) 可扩展性,可以很方便的与其他形式的特征向量进行联合。
4 SIFT算法步骤:
1) 检测尺度空间极值点
2) 精确定位极值点
3) 为每个关键点指定方向参数
4) 关键点描述子的生成
本包内容为sift算法matlab源码(1 SIFT course of development
SIFT algorithm by DGLowe in 1999, the perfect summary of 2004. Later Y.Ke its description of the sub-part of the histogram with PCA instead of its improvement.
2 the SIFT main idea
The SIFT algorithm is an algorithm to extract local features in scale space to find the extreme point of the extraction location, scale, rotation invariant.
3 the main features of the SIFT algorithm:
a) SIFT feature is the local characteristics of the image, zoom, rotate, scale, brightness change to maintain invariance, the perspective changes, affine transformation, the noise also maintain a certain degree of stability.
b) unique (Distinctiveness), informative, and mass characteristics database for fast, accurate matching [23].
c) large amounts, even if a handful of objects can also produce a large number of SIFT feature vectors.
d) high-speed and optimized SIFT matching algorithm can even achieve real-time requirements.
e) The scalability can be very convenient fe)
- 2012-05-25 15:31:16下载
- 积分:1
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time-tranform
GPS时间基准转换,利用matlab来实现的一个小程序(GPS time reference conversion, using matlab to achieve a small program)
- 2014-07-28 11:04:04下载
- 积分:1
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ddddd
说明: 关于滤波器的源码 能够在MATLAB上运行(On the source filter can be run in MATLAB)
- 2008-11-12 12:12:43下载
- 积分:1
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gdc_v1.0
国外matlab,时间转换程序,层次清晰,有源代码,也有界面(
Foreign matlab, time conversion process, the level of clarity, source code, there are interface)
- 2013-12-05 01:21:31下载
- 积分:1
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mandelbrot-julia
说明: 关于Julia集和Mandelbrot集的MATLAB程序(the programs of Julia set and Mandelbrot set with MATLAB)
- 2011-03-29 17:20:20下载
- 积分:1
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DMC111
说明: 带约束多变量DMC控制,能处理带约束的多变量DMC的控制问题(Constrained multivariable DMC control, able to handle constrained multivariable control problem of DMC)
- 2021-03-23 10:19:15下载
- 积分:1
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bp
说明: BP神经网络拟合y=x^2 使用matlab自带的工具箱(BP neural network fitting of y = x ^ 2)
- 2012-04-07 17:08:54下载
- 积分:1
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radon_transform
该算法主要是利用randon变换实现直线,椭圆,抛物线等规则曲线的自动提取(The algorithm is the main randon transformation to realize the straight line, elliptic, parabolic curve and rules of the automatic extraction
)
- 2012-04-22 18:34:42下载
- 积分:1