-
54x36
this is gabor technique
- 2009-12-13 10:56:38下载
- 积分:1
-
matlab-and-vc
说明: MATLAB和VC混合编程的论文资料近50篇,均为图书馆下载,很详细(Hybrid Programming MATLAB and VC data nearly 50 papers, all libraries to download, very detailed)
- 2011-04-11 10:55:16下载
- 积分:1
-
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
-
gps
Simulation of GPS in Matlab.
- 2012-08-14 18:33:36下载
- 积分:1
-
深入浅出数字信号处理 的pdf文件扫描版
北京航空航天大学出版社出版,江志红编著的,深入浅出数字信号处理,的pdf文件扫描版,及书中Matlab程序(Beijing University of Aeronautics and Astronautics Press, Jiang Zhihong edited version layman pdf file scanning digital signal processing, and the book Matlab procedures)
- 2014-06-02 16:57:41下载
- 积分:1
-
pso
不错的粒子群算法例程,matlab语言编写,对初学者有帮助(PSO good routines, matlab language, to help beginners)
- 2009-11-29 14:53:36下载
- 积分:1
-
pso
经典的粒子群优化算法,可用于路径规划中的寻优(pso suanfa)
- 2015-01-17 17:36:49下载
- 积分:1
-
Cours-Perl
Perl language course, very complete with examples
- 2014-02-20 10:05:10下载
- 积分:1
-
BingWang
搭建了光伏并网模型,对电流控制环节进行研究,模拟了实际并网的情况,实现了并网要求。(The photovoltaic grid connected model is built, the current control link is studied, the actual grid connected situation is simulated, and the grid connected requirements are achieved.)
- 2017-08-11 15:20:01下载
- 积分:1
-
mi
说明: 多变量的互信息的matlab的函数的源码,用于矩阵和其概率已知情况下的互信息的估计()
- 2008-03-29 12:39:09下载
- 积分:1