3-D surface solution using structured light and constraint propagation

A method for 3-D surface measurement using a projected grid of light is presented. The grid line identification problem is solved using very general constraints. At the same time, 3-D surface patch solutions are developed. From the general constraints of set of geometric and topological rules are de...

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Published in:IEEE transactions on pattern analysis and machine intelligence 1989-04, Vol.11 (4), p.390-402
Main Authors: Hu, G., Stockman, G.
Format: Article
Language:English
Subjects:
Applied sciences
Artificial intelligence
Cameras
Computer science
control theory
systems
Exact sciences and technology
Eyes
Humans
Layout
Light sources
Machine vision
Optical propagation
Pattern recognition. Digital image processing. Computational geometry
Robot sensing systems
Robotic assembly
Surface texture
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cited_by cdi_FETCH-LOGICAL-c431t-a9d76b6a8eaa11137aea0f5c820970fa8b3b0760fde1bb7be844f07788a394da3
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description A method for 3-D surface measurement using a projected grid of light is presented. The grid line identification problem is solved using very general constraints. At the same time, 3-D surface patch solutions are developed. From the general constraints of set of geometric and topological rules are derived that are effectively applied in the computation of grid labels and hence 3-D surface solutions. A set of five algorithms has been applied on five real scenes consisting of multiple objects of arbitrary shapes. The results show that globally consistent surface solutions can be obtained rapidly with good accuracy using a single image. A small degree of ambiguity remains, but can be further reduced or removed using increased knowledge.< >
doi_str_mv 10.1109/34.19035
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ispartof IEEE transactions on pattern analysis and machine intelligence, 1989-04, Vol.11 (4), p.390-402
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2160-9292
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source IEEE Electronic Library (IEL) Journals
subjects Applied sciences
Artificial intelligence
Cameras
Computer science
control theory
systems
Exact sciences and technology
Eyes
Humans
Layout
Light sources
Machine vision
Optical propagation
Pattern recognition. Digital image processing. Computational geometry
Robot sensing systems
Robotic assembly
Surface texture
title 3-D surface solution using structured light and constraint propagation
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