Paper Title:
Surface Shape Measurement Using Extended Photometric Stereo
  Abstract

Photometric stereo is a widely-used non-contact optical technology for surface shape measurement in industry. However, it is subject two limitations: (1) all light directions used should be known; (2) reflection on the surface to be measured should obey the Lambertian model. In this paper, an extended photometric stereo is proposed to overcome these limitations. Firstly, initial light directions are estimated in terms of normals of those points on the silhouette; secondly, an iterative process is established to refine alternately both the normals and all light directions, with specular pixels removed; at last, the final surface shape is worked out by integrating the normals. Experimental results show the considerable feasibility of this algorithm.

  Info
Periodical
Advanced Materials Research (Volumes 301-303)
Chapter
Chapter 2: Measuring and Testing Techniques
Edited by
Riza Esa and Yanwen Wu
Pages
908-912
DOI
10.4028/www.scientific.net/AMR.301-303.908
Citation
Z. Y. Zheng, B. Yang, "Surface Shape Measurement Using Extended Photometric Stereo", Advanced Materials Research, Vols. 301-303, pp. 908-912, 2011
Online since
July 2011
Export
Price
$35.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ji Gang Wu, Kuan Fang He, Bin Qin
Abstract:Aiming at the subpixle edge detection of speckle in autofocus for micro-machine vision, a novel accurate subpixel edge detection algorithm...
228
Authors: Da Wang, Hong Yu Bian
Chapter 1: Mechatronics
Abstract:In order to further improve the accuracy of the sonar image registration, a novel hybrid algorithm was proposed. It proposed the normalized...
1811
Authors: Xue Feng Wu, Yu Fan
Chapter 6: Mechatronics
Abstract:A new algorithms for parameters of an image irregular boundary circle parameters is presented, which is based on “Curve-Approximate Method”...
639
Authors: Fang Jie Yu, Xin Luan, Da Lei Song, Xiu Fang Li, Hong Hong Zhou
Chapter 7: Other Measurement Methods and Its Application
Abstract:This paper presents a novel sub-pixel corner detection algorithm for camera calibration. In order to achieve high accuracy and robust...
713
Authors: Yong Ming Kang, Xing Wang, Rui Jun Liu, Yan Guo Wang
Chapter 12: Applications of Information Technology and Computer in Industry
Abstract:The right panel drawing direction is an important prerequisite for generating qualified parts, an important step before the panel forming...
1849