Survey on visual attention in 3D for robotics

Ekaterina Potapova, Michael Zillich, and Markus Vincze, Survey of recent advances in 3D visual attention for robotics, The International Journal of Robotics Research, Vol 36, Issue 11, pp. 1159 – 1176, DOI: 10.1177/0278364917726587.

3D visual attention plays an important role in both human and robotics perception that yet has to be explored in full detail. However, the majority of computer vision and robotics methods are concerned only with 2D visual attention. This survey presents findings and approaches that cover 3D visual attention in both human and robot vision, summarizing the last 30 years of research and also looking beyond computational methods. First, we present work in such fields as biological vision and neurophysiology, studying 3D attention in human observers. This provides a view of the role attention plays at the system level for biological vision. Then, we cover computer and robot vision approaches that take 3D visual attention into account. We compare approaches with respect to different categories, such as feature-based, data-based, or depth-based visual attention, and draw conclusions on what advances will help robotics to cope better with complex real-world settings and tasks.

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