Improved Pre-focusing Method and Its Application to Three-Dimensional Space Scanning for Detecting An Object

  • Takuma Sasaki Hosei University
  • Hiroshi Hanaizumi

Abstract

A Three-Dimensional Scanning Method (TDSM) was proposed to detect an object or a person in a three-dimensional Region Of Interested (ROI) without the stereo matching process. The method TDSM included two processes; ROI scanning in the field of view of the multiple cameras and the object detection in the ROI. The former was realized by the theoretically derived two sets of coefficients for perspective transformations; one canceled disparities on a plane between the left and the center images, and the other those on another plane between the right and the center. The ROI was formed at the intersection of the two planes. The latter was performed by detecting residual disparities between the left images and the right images. One-dimensional optical flow was used for the detection. The method TDSM was successfully applied to detect a person walking in the field of view of the multiple cameras.

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Published
2018-07-25
How to Cite
Sasaki, T., & Hanaizumi, H. (2018). Improved Pre-focusing Method and Its Application to Three-Dimensional Space Scanning for Detecting An Object. Journal of the Institute of Industrial Applications Engineers, 6(3), 139. Retrieved from https://www2.ia-engineers.org/Journal_E/index.php/jiiae/article/view/166
Section
Articles