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cubic_spline
numerical analysis technique for interpolation
- 2010-09-01 14:24:36下载
- 积分:1
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0101001
实现人员出入管理,输入和输出,人员的添加,管理!(to made the people s manage!)
- 2009-12-26 20:29:23下载
- 积分:1
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HADI-SAADAT-MATLAB-CODE
power flow plus bus out
- 2012-09-08 08:21:05下载
- 积分:1
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mp
说明: 可压缩传感,随机投影,稀疏性,非相干,图像重建(Compressible sensing, random projection, sparse, non-coherent, image reconstruction)
- 2015-01-13 22:12:50下载
- 积分:1
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matlab
4PSK误码仿真率,可帮助读者解决4PSK调制信号的误码率分析问题(Simulation 4PSK error rate, can help readers solve the modulation signal 4PSK BER analysis)
- 2009-05-23 00:58:17下载
- 积分:1
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1
说明: matlab的简单小例子。。可以完成一下诶简单的。绘图(simlpe gui designed)
- 2013-12-22 17:31:09下载
- 积分:1
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matlab_chengxusheji
这是一本关于matlab程序设计与应用的书的源代码,里面有很多类型的程序,大家可以学习下,很多程序都非常好用(This is a matlab program design and application of the book' s source code, there are many types of programs, we can learn, many programs are very easy to use)
- 2011-06-22 10:33:24下载
- 积分:1
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DeNoising
这是一个MATLAB算例,在信号处理中的去噪可以用的到。新手合适。(This is a MATLAB example, in signal processing can be used to de-noising. Novice appropriate.)
- 2013-07-15 14:13:17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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tspline
基于格林函数的网格样条插值,能够进行一维,二维和三维的插值,使用方便,在说明文件中给出相应的英文文献名称。(Gridding with Splines in Tension : A Green
function Approach)
- 2020-10-13 00:17:32下载
- 积分:1