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Alternative measures for biospeckle image analysis |
JOSA A, Vol. 29, Issue 8, pp. 1648-1658 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001648
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Abstract
Biospeckle is a technique whose purpose is to observe and study the underlying activity of some material. It has its roots in optical physics, and its first step is an image acquisition process that produces a video sequence of the reflection of a laser. The video content can be analyzed to have an interpretation of the activity of the observed material. The literature on this subject presents several different measures for analyzing the video sequence. Three of the most popular measures are the generalized difference (GD), the weighted generalized difference (WGD), and Fujii’s method. These measures have drawbacks such as high computation time or limited visual quality of the results. In this paper, we propose (i) an alternative
© 2012 Optical Society of America
OCIS Codes
(100.2960) Image processing : Image analysis
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(100.4995) Image processing : Pattern recognition, metrics
(240.6648) Optics at surfaces : Surface dynamics
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: January 3, 2012
Revised Manuscript: May 2, 2012
Manuscript Accepted: June 2, 2012
Published: July 24, 2012
Virtual Issues
Vol. 7, Iss. 10 Virtual Journal for Biomedical Optics
Citation
André V. Saúde, Fortunato S. de Menezes, Patricia L. S. Freitas, Giovanni F. Rabelo, and Roberto A. Braga, "Alternative measures for biospeckle image analysis," J. Opt. Soc. Am. A 29, 1648-1658 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-8-1648
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