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Published in:
2015 | OriginalPaper | Chapter
Compensation of Directional and Rotational Mismatch of Separate Stereo Cameras by Vanishing Point and Lines
Authors : Min-Suk Bang, Gwang-Hoon Jung, Dong-Wook Kang, Kyeong-Hoon Jung
Published in: Computer Science and its Applications
Publisher: Springer Berlin Heidelberg
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The rectification of stereoscopic image is indispensable process to implement stereo vision system since the accuracy of estimated disparity strongly depends on the alignment of epipolar line. A new and simple rectification method is proposed in this paper especially when there are vanishing points and lines in two images from separate cameras. In order to compensate the mismatch of viewing directions of separate cameras, we estimate the vanishing points of two images and make common reference point. After that, the mismatch of rotation is compensated by calculating the relative distance between vanishing lines in two images. The proposed method is very efficient for rectification of separate stereo cameras and successfully applicable to the scene of streets or hallway where the vanishing points and lines can be easily obtained.