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Applied Optics

Applied Optics


  • Vol. 26, Iss. 24 — Dec. 15, 1987
  • pp: 5321–5325

Evaluation of blood flow by laser speckle image sensing. Part 1

Hitoshi Fujii, Kunihiko Nohira, Yuhei Yamamoto, Hiroharu Ikawa, and Takehiko Ohura  »View Author Affiliations

Applied Optics, Vol. 26, Issue 24, pp. 5321-5325 (1987)

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A new method is proposed to visualize the microcirculation map using a dynamic laser speckle effect. A skin surface is illuminated by He–Ne laser line spot and its image speckle is detected by a CCD array sensor. The difference between a pair of output data for successive scannings of the image speckles at the sensor plane was calculated and integrated for each pixel. The results were displayed in color graphics showing the spatial variation of the flow level in the area of interest.

© 1987 Optical Society of America

Original Manuscript: June 3, 1987
Published: December 15, 1987

Hitoshi Fujii, Kunihiko Nohira, Yuhei Yamamoto, Hiroharu Ikawa, and Takehiko Ohura, "Evaluation of blood flow by laser speckle image sensing. Part 1," Appl. Opt. 26, 5321-5325 (1987)

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