深度图实时提取系统中后处理的设计与实现

基于硬件的深度图实时提取系统可实现深度图的实时提取,但由于硬件结构的局限性不能像软件那样实现较复杂的匹配算法,会产生较多误匹配。在深度图实时提取系统上设计和实现深度图后处理功能,先对视差结果进行匹配唯一性检测,再根据需要针对左右视图对应的视差结果分别设计两种左右一致性检测方案,最后利用正确的深度值进行空洞填充。实验表明该设计和实现的后处理功能可与深度图的提取在同一系统上实时地进行,并能得到质量较好的深度图。

Post-Processing Design and Implementation in Real-Time Depth Map Extraction System

Real-time depth map extraction system based on hardware can extract depth map in real time, but it can not implement complicated algorithm as software because of the the limitation of hardware structure, and this will result in more wrong stereo matching. Depth map post processing function is designed in real-time depth map extraction system in this paper. After matching cost unique test, left-right and right-left consistency check solutions are implemented respectively, and the cavities in depth maps can be filled by right depth values on the basis of right-left consistency check solution. Experiments have shown that depth map post-processing and extraction function can be implemented in the same system in real-time, and depth maps are of better quality.