Spatial Perception by Object-Aware Visual Scene Representation
IEEE International Conference on Computer Vision (ICCV)(2019)CCF A
Abstract
Spatial perception is a fundamental ability necessary for autonomous mobile robots to move robustly and safely in the real-world. Recent advances in SLAM enabled a single camera-based system to concurrently build 3D maps of the world while tracking its location and orientation. However, such systems often fail to track themselves within the map and cannot recognize previously visited places due to the lack of reliable descriptions of the observed scenes. We present a spatial perception framework that uses an object-aware visual scene representation to enhance the spatial abilities. The proposed representation compensates for aberrations of conventional geometric scene representations by fusing those representations with semantic features extracted from perceived objects. We implemented this framework on a mobile robot platform to validate its performance in home situations. Further evaluations were conducted with the ScanNet dataset which provides large-scale 3D photo-realistic indoor scenes. Extensive tests show that our framework can reliably generate maps by reducing tracking-failure, and better recognize overlap in the map.
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Key words
spatial perception,visual slam,relocalization,scene representation,mobile robots
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