Robotics and Computer Vision Lab

Publications

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저 자 Inwook Shim, Joon-Young Lee, In So Kweon
학 회 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
논문일시(Year) 2014
논문일시(Month) 09
https://www.youtube.com/watch?v=OuxQ7xSfn3EWe present a new method to auto-adjust camera exposure for outdoor robotics. In outdoor environments, scene dynamic range may be wider than the dynamic range of the cameras due to sunlight and skylight. This can results in failures of vision-based algorithms because important image features are missing due to under-/over-saturation. To solve the problem, we adjust camera exposure to maximize image features in the gradient domain. By exploiting the gradient domain, our method naturally determines the proper exposure needed to capture important image features in a manner that is robust against illumination conditions. The proposed method is implemented using an off-the-shelf machine vision camera and is evaluated using outdoor robotics applications. Experimental results demonstrate the effectiveness of our method, which improves the performance of robot vision algorithms.


The Authors gratefully acknowledge the support from UTRC(Unmanned Technology Research Center) at KAIST(Korea Advanced Institute of Science and Technology), originally funded by DAPA, ADD.

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