Time-integrated speckle for the examination of movement in biological systems

Sian Webster; J. David Briers

doi:10.1117/12.176587

26 May 1994 Time-integrated speckle for the examination of movement in biological systems

Sian Webster, J. David Briers

Proceedings Volume 2132, Clinical Applications of Modern Imaging Technology II; (1994) https://doi.org/10.1117/12.176587
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Most current systems for the investigation of biological motion are pointwise rather than full field techniques. The aim of this research is to achieve a full field semi-quantitative measure of motion. Systems being looked at range from linearly moving mechanical objects to movement within biological systems. The methods described can be used to detect in-plane and out-of-plane motion, and are based on the first order spatial statistics of time-integrated speckle patterns, especially speckle contrast. In addition to a photographic investigation of time integrated speckle, a digital processing technique has been developed. This computational technique is designed to produce a contrast map relating to the motion in the target field, with the advantage of working in quasi-real time. A digital method of simulating both partially and fully developed speckle patterns has also been studied.

Citation Download Citation

Sian Webster and J. David Briers "Time-integrated speckle for the examination of movement in biological systems", Proc. SPIE 2132, Clinical Applications of Modern Imaging Technology II, (26 May 1994); https://doi.org/10.1117/12.176587

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