Three-Dimensional Target Detection Based on RGB-D Data

The current three-dimensional (3D) target detection model has a low accuracy, because the surface information of the target can only be partially represented by its two-dimensional (2D) image detector. To solve the problem, this paper studies the 3D target detection in the RGB-D data of indoor scenes, and modifies the frustum PointNet (F-PointNet), a model superior in point cloud data processing, to detect indoor targets like sofa, chair, and bed. The 2D image detector of F-PointNet was replaced with you only look once (YOLO) v3 and faster region-based convolutional neural network (R-CNN) respectively. Then, the F-PointNet models with the two 2D image detectors were compared on SUN RGB-D dataset. The results show that the model with YOLO v3 did better in target detection, with a clear advantage in mean average precision (>6.27).