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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 9 — Mar. 20, 2013
  • pp: 1857–1863

Natural method for three-dimensional range data compression

Pan Ou and Song Zhang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 9, pp. 1857-1863 (2013)
http://dx.doi.org/10.1364/AO.52.001857


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Abstract

Prior studies on converting three-dimensional (3D) range data into regular two-dimensional (2D) color images using virtual fringe projection techniques showed great promise for 3D range data compression, yet they require resampling the raw scanned data. Due to this resampling, the natural 3D range data are altered and sampling error may be introduced. This paper presents a method that compresses the raw sampling points without modifications. Instead of directly utilizing the 3D recovered shape, this method compresses the s map, the scale factor of a perspective projection from a 3D space to a 2D space. The s map is then converted to 2D color image for further compression with existing 2D image compression techniques. By this means, 3D data obtained by 3D range scanners can be compressed into 2D images without any resampling, providing a natural and more accurate method of compressing 3D range data. Experimental results verified the success of the proposed method.

© 2013 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(100.6890) Image processing : Three-dimensional image processing
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis

ToC Category:
Image Processing

History
Original Manuscript: December 3, 2012
Revised Manuscript: February 15, 2013
Manuscript Accepted: February 17, 2013
Published: March 13, 2013

Citation
Pan Ou and Song Zhang, "Natural method for three-dimensional range data compression," Appl. Opt. 52, 1857-1863 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-9-1857

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