NDLI: A closed form self calibration of one-dimensional light stripe feature width function for indoor navigation

Content Provider	IEEE Xplore Digital Library
Author	Ho Gi Jung Jae Kyu Suhr Hyoung Jin Kang Jaihie Kim
Copyright Year	2009
Description	Author affiliation: Biometrics Engineering Research Center, Yonsei University, Seoul, Korea (Jae Kyu Suhr; Jaihie Kim) \|\| MANDO Corporation, 413-5, Gomae-Dong, Giheung-Gu, Yongin-Si, Kyonggi-Do 446-901, Korea (Ho Gi Jung; Hyoung Jin Kang)
Abstract	Light stripe projection (LSP) is one of useful methods to recognize 3D information in various vision applications. In general, light stripe feature (LSF) is detected by LOG (Laplacian Of Gaussian) operator. Because LOG variance parameter is corresponding to LSF width, improper parameter value causes severe performance degradation. Our previous work proposed a method predicting LSF width by modeling LSF irradiance as 2D Gaussian function [1]. Although the method could enhance the performance of LSF detection, calibration method included time consuming genetic algorithm-based optimization procedure. This paper proposes a closed form calibration method assuming LSF irradiance can be approximated as 1D Gaussian function if field of view (FOV) of light plane projector (LPP) is much wider than that of camera or the LPP generates uniform LSF. Experimental results show that derived function can correctly predict LSF width, and related parameters can be calibrated in a closed form.
Starting Page	9
Ending Page	14
File Size	5994587
Page Count	6
File Format	PDF
ISBN	9781424435036
ISSN	19310587
DOI	10.1109/IVS.2009.5164244
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Calibration Navigation Cameras Frequency Laplace equations Focusing Wavelet transforms Noise shaping Filtering Computer vision
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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