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形状特征的七个不变矩,用matlab实现,Shape characteristics of the seven moment invariants, using matlab to achieve
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Recovering 3-D structure from motion in noisy 2-D images is a problem addressed by many vision system researchers. By consistently tracking feature points of interest across multiple images using a methodology first described by Lucas-Kanade, a 3-D s
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图象 处 理和模式识别中经常根据物体的形状来识别物
体或对物体进行分类。形状特征可以分为区域特征和边界特
征两大类,矩不变量是最基本的形状特征。Hu提出的矩不变
量是图象区域内部细节的描述,是一种区域特征。它是建立
在对一个区域内部灰度值的统计分析基础上的,需要目标区
域的所有象素参与运算-Image processing and pattern recognition are often based on the shape of objects to identify o
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图像检索_基于MPEG-7形状特征的图像检索技术研究-_ Image Retrieval Based on MPEG-7 shape features of image retrieval research
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ASM是由Cootes和泰勒推出的多分辨率方法的一个例子。
基本思想:
在ASM模型训练,训练从手工绘制的图像轮廓。发现的ASM模型在训练使用主成分分析(PCA),使该模型自动识别数据的主要变化是,如果可能的轮廓/好的对象的轮廓。还包含了ASM模型的协方差矩阵描述行垂直纹理口岸时,在正确的位置。
-Descr iption This is an example of the basic Active Shape Model (ASM) as introduced by Coot
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A new approach for fingerprint verification, based on wavelets and pseudo Zernike moments (PZMs), is
discussed. PZMs are robust to noisy images, invariant to rotation and have a good image reconstruction
capability [4]. PZMs have been used for
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this code in matlab for applying active shape models and active appearance models to detect the features of hand-this code in matlab for applying active shape models and active appearance models to detect the features of hand
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背景:快速的将心脏按其特征进行聚类可为后续统计分析和研究带来很大的便利.系统聚类法是将样品或变量按照其性质上的亲疏相似程度进行分类的一种多元统计方法.目的:提出用主成分一聚类分析的方法来描述心脏形态学形状并进行分类,对中国健康成年人的心脏X射线测量的各项指标进行综合评价.方法:搜集了36例健康成年人的胸片,并用MxLiteView软件手动测量了每幅胸片中代表心脏形态学形状常用的10个指标,用Matlab软件对测量指标进行主成分分析,然后对提取出的主成分进行聚类.结果与结论:主成分分析后提取出3个
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提取图像Hu不变距形状特征,matlab代码调用函数实现,-Extract image Hu invariant distance shape features, matlab code call function to achieve,
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在机器学习图像分类的过程中,对ROI进行形状和纹理特征提取(exact the shape and texture features of ROI)
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提取了图像的形状特征,文件自带测试图,在matlab 2016上成功运行(Extracted image shape features)
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