We present a reconfigurable hierarchical And-Or model to integrate context and occlusion for car detection in the wild. The model structure is learned by mining context and viewpoint-occlusion patterns at three levels: a) N-car layouts, b) single car and c) car parts. Our model is a directed acyclic graph (DAG) where dynamic programming (DP) algorithm can be used in inference. The model parameters are learned by weak-label Structural SVM. Experimental results show that our model is effective in modelling context and occlusion information in complex situations, and obtains better performance over state-of-the-art car detection methods.
这里附上自己调通的代码,需要的各种依赖库自己去下载和配置。
代码下载地址:http://download.youkuaiyun.com/download/gone_huilin/9687167
参考:http://www.stat.ucla.edu/~boli/projects/context_occlusion/context_occlusion.html

本文提出一种可重构的层级And-Or模型,该模型能够整合上下文与遮挡信息进行野外车辆检测。模型通过挖掘不同层面的上下文及视角遮挡模式来构建,并采用动态规划算法进行推断。
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