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paxmle
the file contains detection and estimation theroy codes
- 2011-04-26 13:41:34下载
- 积分:1
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gmm3.m
高斯混合模型的核心计算方法,matlab里可直接调用(Core calculation method based on Gaussian mixture model, matlab years can be called directly)
- 2014-10-04 12:55:08下载
- 积分:1
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mimo-ofdm-ber
MIMO ofdm完整程序,已仿真过,比较误码率(MIMO ofdm)
- 2013-09-21 07:36:55下载
- 积分:1
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deblur
这种去模糊的matlab源代码,学生需要可以下载使用(Such deblur the matlab source code, students can download to use
)
- 2014-11-29 11:09:00下载
- 积分:1
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entropy
联合开发网 - pudn.com
- 2012-09-28 16:06:14下载
- 积分:1
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改进势场
基于Matlab的改进人工势场法实现路径规划与避障(Improved artificial potential field method based on Matlab)
- 2021-03-09 11:19:28下载
- 积分:1
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Adaptivecontrolpaper
Paper for adaptive control system introduce
- 2010-05-17 16:12:57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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jacobi
此文件为MATLAB的M文件,功能是通过Jcobi迭代法求相应精度和迭代次数限制的线性方程组。(This file MATLAB M-files, the demand function is through Jcobi iterative method of linear equations corresponding precision and limit the number of iterations.)
- 2012-11-14 21:09:48下载
- 积分:1
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myNeural_PIDs4
说明: 采用S函数设计神经网络PID控制器,该算法控制器应用于Simulink控制中,对初学者或其他算法的常规比较有较好的效果。(The neural network PID controller is designed in S-function, and the algorithm controller is used in Simulink control, which has a better effect for beginners or other algorithm routine comparison.)
- 2019-12-20 17:41:12下载
- 积分:1