alexa Evaluation of blood flow by laser speckle image sensing


Journal of Aging Science

Author(s): Hitoshi Fujii, Kunihiko Nohira, Yuhei Yamamoto, Hiroharu Ikawa, Takehiko Ohura

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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 erence 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.

This article was published in Applied Optics and referenced in Journal of Aging Science

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