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| Type | Journal Article |
| Scope | Discipline-based scholarship |
| Title | A machine learning approach to visual perception of forest trails for mobile robots |
| Organization Unit | |
| Authors |
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| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Language |
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| Journal Title | IEEE Robotics and Automation Letters |
| Publisher | Institute of Electrical and Electronics Engineers |
| Geographical Reach | international |
| ISSN | 2377-3766 |
| Volume | 1 |
| Number | 2 |
| Page Range | 661 - 667 |
| Date | 2016 |
| Abstract Text | We study the problem of perceiving forest or mountain trails from a single monocular image acquired from the viewpoint of a robot traveling on the trail itself. Previous literature focused on trail segmentation, and used low-level features such as image saliency or appearance contrast; we propose a different approach based on a deep neural network used as a supervised image classifier. By operating on the whole image at once, our system outputs the main direction of the trail compared to the viewing direction. Qualitative and quantitative results computed on a large real-world dataset (which we provide for download) show that our approach outperforms alternatives, and yields an accuracy comparable to the accuracy of humans that are tested on the same image classification task. Preliminary results on using this information for quadrotor control in unseen trails are reported. To the best of our knowledge, this is the first letter that describes an approach to perceive forest trials, which is demonstrated on a quadrotor micro aerial vehicle. |
| Related URLs | |
| Digital Object Identifier | 10.1109/LRA.2015.2509024 |
| Other Identification Number | merlin-id:12929 |
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| Keywords | autonomous aerial vehicles, helicopters, image classification, learning (artificial intelligence), microrobots, neural nets, robot vision, deep-neural network, forest trails, machine learning approach, mobile robots, monocular image, quadrotor microaerial vehicle control, qualitative analysis, quantitative analysis, supervised image classifier, viewing direction, visual perception, Cameras, Image segmentation, Mobile robots, Roads, Robot vision systems, Visual perception, Aerial Robotics, Deep Learning, Machine Learning, Visual-Based Navigation |
| Additional Information | © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |