Uploaded May 2018 | Updated September 2026, 2 weeks ago
ICRA 2018 Spotlight Video
Interactive Session Thu AM Pod F.7
Authors: Sena, Aran; Zhao, YuChen; Howard, Matthew
Title: Teaching Human Teachers to Teach Robot Learners
Abstract:
Using Programming by Demonstration to teach robot learners generalisable skills relies on having effective human teachers. This paper aims to address two problems commonly observed in demonstration data sets that arise due to poor teaching strategies; undemonstrated states and ambiguous demonstrations. Overcoming these issues through the use of visual feedback and simple heuristic rules is investigated as a potential way of guiding novice users to more effectively teach robot learners to generalise a task. The proposed method intends to offer the user a more transparent understanding of the robot learners model state during the teaching phase, to create a more interactive and robust teaching process. Results from a single-factor, three-phase repeated measures study with n = 30 participants, comparing the proposed feedback and heuristic rules set against an unguided condition, show a statistically significant (F(2, 58) = 7.952, p = 0.001) improvement of user teaching efficiency of approximately 180% when using the proposed feedback visualisation.
ICRA 2018 Spotlight Video
Interactive Session Thu AM Pod F.7
Authors: Sena, Aran; Zhao, YuChen; Howard, Matthew
Title: Teaching Human Teachers to Teach Robot Learners
Abstract:
Using Programming by Demonstration to teach robot learners generalisable skills relies on having effective human teachers. This paper aims to address two problems commonly observed in demonstration data sets that arise due to poor teaching strategies; undemonstrated states and ambiguous demonstrations. Overcoming these issues through the use of visual feedback and simple heuristic rules is investigated as a potential way of guiding novice users to more effectively teach robot learners to generalise a task. The proposed method intends to offer the user a more transparent understanding of the robot learners model state during the teaching phase, to create a more interactive and robust teaching process. Results from a single-factor, three-phase repeated measures study with n = 30 participants, comparing the proposed feedback and heuristic rules set against an unguided condition, show a statistically significant (F(2, 58) = 7.952, p = 0.001) improvement of user teaching efficiency of approximately 180% when using the proposed feedback visualisation.






![Real-Time CPU-Based Large-Scale 3D Mesh Reconstruction
ICRA 2018 Spotlight Video
Interactive Session Thu AM Pod R.1
Authors: Piazza, Enrico; Romanoni, Andrea; Matteucci, Matteo
Title: Real-Time CPU-Based Large-Scale 3D Mesh Reconstruction
Abstract:
In Robotics, especially in this era of autonomous driving, mapping is one key ability of a robot to be able to navigate through an environment, localize on it and analyze its traversability.To allow for real-time execution on constrained hardware, the map usually estimated by feature-based or semi-dense SLAM algorithms is a sparse point cloud; a richer and more complete representation of the environment is desirable. Existing dense mapping algorithms require extensive use of GPU computing and they hardly scale to large environments; incremental algorithms from sparse points still represent an effective solution when light computational effort is needed and big sequences have to be processed in real-time. In this paper we improved and extended the state of the art incremental manifold mesh algorithm proposed in [1] and extended in [2]. While these algorithms do not achieve real-time and they embed points from SLAM or Structure from Motion only when their position is fixed, in this paper we propose the first incremental algorithm able to reconstruct a manifold mesh in real-time through single core CPU processing which is also able to modify the mesh according to 3D points updates from the underlying SLAM algorithm. We tested our algorithm against two state of the art incremental mesh mapping systems on the KITTI dataset, and we showed that, while accuracy is comparable, our approach is able to reach real-time performances thanks to an order of magnitude speed-up. Real-Time CPU-Based Large-Scale 3D Mesh Reconstruction](https://i.ytimg.com/vi/VaLx6Klz13Y/mqdefault.jpg)



