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Asphalted road temperature variations due to wind turbine cast shadows
Rafael Arnay1, Leopoldo Acosta, Marta Sigut
1Department of Systems Engineering and Automatics, University of La Laguna, Avda. Francisco Sánchez S/N, 38204 La Laguna, Canary Islands, Spain; E-Mails: leo@isaatc.ull.es (L.A.S); marta@isaatc.ull.es (M.S.S.); jonay@isaatc.ull.es (J.T.C.).
This study introduces a novel technique using infrared imaging to avoid removing dynamic shadows in visible spectrum images for autonomous navigation. This method enhances obstacle detection in challenging environments like wind farms.
Area of Science:
- Robotics and Computer Vision
- Sensor Fusion
- Autonomous Systems
Background:
- Dynamic shadows from wind turbine blades pose challenges for autonomous vehicle navigation.
- Shadows in visible spectrum images can be misclassified as obstacles, requiring removal.
- Existing shadow removal techniques may not be fully effective in all conditions.
Purpose of the Study:
- To develop a technique for avoiding dynamic shadow removal in visible spectrum images.
- To leverage infrared imaging to overcome limitations of visible spectrum analysis.
- To improve the reliability of autonomous navigation systems in wind farm environments.
Main Methods:
- Utilizing infrared spectrum images where dynamic shadows disappear.
- Performing sensor fusion between thermal and visible spectrum bands.
- Developing a technique to avoid explicit shadow removal stages.
Main Results:
- Demonstrated the effectiveness of infrared imaging in eliminating dynamic shadows.
- Successfully fused thermal and visible data to enhance perception.
- Showcased a method to bypass the need for complex shadow removal preprocessing.
Conclusions:
- The proposed technique effectively addresses the challenge of dynamic shadows in autonomous navigation.
- Infrared imaging combined with visible spectrum data offers a robust solution for perception in complex environments.
- This approach enhances the safety and efficiency of autonomous vehicles in wind farms.
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