Please use this identifier to cite or link to this item: http://rportal.lib.ntnu.edu.tw:80/handle/77345300/32152
Title: Image-Based System for Measuring Objects on an Oblique Surface
Authors: 國立臺灣師範大學電機工程學系
Chen-Chien Hsu
Wei-Yen Wang
Yin-Yu Lu
Ming-Chih Lu
Issue Date: 6-May-2010
Abstract: This paper presents an image-based framework for measuring target objects on an oblique plane by using a single CCD camera and two parallel laser projectors beside the camera. Because of the alignment of the laser beams which form in parallel with the optical axis, projected spots in the image can be processed to establish relationships between distance and pixel counts between the projected spots in the image. Based on simple geometrical derivations without complex image processing, the proposed approach can measure the photographing distance, the distance between two arbitrary points on the oblique surface, and the incline angle. Experiment results have demonstrated the effectiveness of the proposed approach in measuring distant objects on an oblique plane.
URI: http://rportal.lib.ntnu.edu.tw/handle/77345300/32152
Other Identifiers: ntnulib_tp_E0607_02_030
Appears in Collections:教師著作

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