擅长:python、mysql、java
<> > <a href="http://docs.opencv.org/trunk/modules/ocl/doc/feature_detection_and_description.html#void%20ocl%3a%3aHOGDescriptor%3a%3adetectMultiScale%28const%20oclMat&%20img,%20vector%3CRect%3E&%20found_locations,%20double%20hit_threshold,%20Size%20win_stride,%20Size%20padding,%20double%20scale0,%20int%20group_threshold%29" rel="nofollow">HOGDescriptor::detectMultiScale</a>的C++版本的文档在^ {< CD3>}之前显示了^ {< CD1>}参数(类型{{CD2>})。因此,似乎函数缺少一个参数。要接受<code>win_stride</code>的默认参数,您应该将问题中使用的加法参数作为关键字传递。</p>