OpenCV中Latent SVM模型文件XML
原文:http://www.52php.cn/article/p-fwhgxfxm-bcb.html 从该blog开始,逐步介绍DPM + Latent SVM。关于OpenCV下DPM+Latent SVM简单介绍参考上一篇博文:OpenCV ????Latent SVM Discriminatively Trained Part Based Models for Object Detection
以Cat.xml(opencv安装目录下sample/c内)为例 <Model> <!-- Number of components --> <NumComponents>2</NumComponents> <!-- Number of features --> <P>31</P> <!-- Score threshold --> <ScoreThreshold>-1.0028649999999999</ScoreThreshold> <Component> <!-- Root filterdescription --> <RootFilter> <!-- Dimensions--> <sizeX>5</sizeX> <sizeY>9</sizeY> <!-- Weights(binary representation) --> <Weights> ... </Weights> <!-- Linear termin score function --> <LinearTerm>-2.2535784347835031</LinearTerm> </RootFilter>
<!-- Part filtersdescription --> <PartFilters> <NumPartFilters>6</NumPartFilters> <PartFilter>...</PartFilter> </PartFilters> </Component> <LinearTerm>-2.5835343890077622</LinearTerm> <!--Part filters description --> <!-- Part filter? description --> </Model> PartFilter内部结构: <PartFilter> <sizeX>6</sizeX> <sizeY>6</sizeY> <!-- Weights (binary representation)--> <Weights></Weights> <!-- Part filter offset --> <V> <Vx>3</Vx> <Vy>1</Vy> </V> <!-- Quadratic penalty functioncoefficients --> <Penalty> <dx>0.0004031731821276</dx> <dy>-0.0003745111759062</dy> <dxx>0.0100010270581015</dxx> <dyy>0.0205820897831230</dyy> </Penalty> </PartFilter> 注:1.里面的数据仅是为了说明,weight节点数据量太大,省略,PartFilter节点有点复杂,单列出来; 2.其中有些简洁说明性文字,不是很全,PartFilter中Vx,Vy为HOG的位移。Penalty节点下的各项是为了计算deformation model。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |