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Code4CAP
说明: 基于Matlab的心肌细胞动作电位模型程序,包含程序说明和部分结果。(Matlab based on the cardiac myocyte action potential model program, including program descriptions and partial results.)
- 2008-10-30 17:13:25下载
- 积分:1
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1_4
量子自组织特征映射网络聚类算法仿真程序
量子群智能优化算法(Quantum self-organizing feature map network clustering algorithm simulation program)
- 2010-11-01 19:26:48下载
- 积分:1
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tstem.mstem
自绘图函数 数字信号处理时域绘图 丁玉美-time stem tstem mstem(Since the mapping function when the domain of digital signal processing graphics Ding Yumei-time stem tstem mstem)
- 2010-12-22 18:07:11下载
- 积分:1
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matlab-plot
说明: 自己整理的各种matlab绘图代码,包括一维、二维、三维情况(Matlab drawing a variety of finishing their own code, including the one-dimensional, two-dimensional, three-dimensional case)
- 2011-02-24 13:17:17下载
- 积分:1
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qpsk
用matlab实现QPSK调制,各路信号的频谱,高斯白噪声信道(QPSK modulation to achieve with matlab, and the brightest signal of the spectrum, white Gaussian noise channel)
- 2010-05-26 09:50:20下载
- 积分:1
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quzao
该源码用三种方法实现图像去噪,简单易懂实用(The source with the three methods of image denoising, easy to understand practical)
- 2010-06-02 10:46:20下载
- 积分:1
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matlabzhifangtu
matlab中的直方图均衡,适合初学图像处理者使用,希望采纳(matlab histogram equalization, image processing suitable for beginners to use, hope to adopt)
- 2015-03-18 14:47:38下载
- 积分:1
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transientConduction
TRANSIENTCONDUCTIONGUI( Property , Value ,...) creates a new TRANSIENTCONDUCTIONGUI or raises the existing singleton
- 2015-04-03 09:33:14下载
- 积分:1
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NMLP
Non-metric label propagation 的MATLAB 实现源码(the code of non-metric label propagation by matlab)
- 2012-04-06 19:54:50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