Detail publikačního výsledku

Design of an experimental laser speckle contrast imaging system and image evaluation

HESKO, B.; KOLÁŘ, R.; HARABIŠ, V.

Originální název

Design of an experimental laser speckle contrast imaging system and image evaluation

Anglický název

Design of an experimental laser speckle contrast imaging system and image evaluation

Druh

Článek Scopus

Originální abstrakt

Laser speckle contrast imaging (LSCI) is a noninvasive method, which uses scattered light to estimate the flow of a fluid containing scatterers. Thus, it can be especially used to estimate blood flow. Laser light is randomly scattered on the tissue and this refracted light interfere with reflected light, giving birth to laser speckle noise. As the light scatters on moving red blood cells, the speckle pattern is blurred due to the exposition time. This blurring is a function of velocity which can be estimated from the degree of blur, termed as speckle contrast. Therefore, blood cells act like contrast agent, outlining blood vessels. The simple setup, unnecessary contrast agent and unharming nature are making LSCI a popular tool for studying blood flow dynamics and vascular structure. This paper presents a new, simple experimental setup and image processing methods to treat laser speckle images aiming to estimate relative blood flow and vascular structure.

Anglický abstrakt

Laser speckle contrast imaging (LSCI) is a noninvasive method, which uses scattered light to estimate the flow of a fluid containing scatterers. Thus, it can be especially used to estimate blood flow. Laser light is randomly scattered on the tissue and this refracted light interfere with reflected light, giving birth to laser speckle noise. As the light scatters on moving red blood cells, the speckle pattern is blurred due to the exposition time. This blurring is a function of velocity which can be estimated from the degree of blur, termed as speckle contrast. Therefore, blood cells act like contrast agent, outlining blood vessels. The simple setup, unnecessary contrast agent and unharming nature are making LSCI a popular tool for studying blood flow dynamics and vascular structure. This paper presents a new, simple experimental setup and image processing methods to treat laser speckle images aiming to estimate relative blood flow and vascular structure.

Klíčová slova

LSCI, laser speckle contrast imaging, blood flow, speckle noise

Klíčová slova v angličtině

LSCI, laser speckle contrast imaging, blood flow, speckle noise

Autoři

HESKO, B.; KOLÁŘ, R.; HARABIŠ, V.

Rok RIV

2018

Vydáno

12.12.2017

Nakladatel

Clinician and Technology journal

Místo

Prague

ISSN

0301-5491

Periodikum

Lékař a technika

Svazek

47

Číslo

3

Stát

Česká republika

Strany od

101

Strany do

107

Strany počet

7

URL

https://ojs.cvut.cz/ojs/index.php/CTJ/article/view/4687

BibTex

@article{BUT143960,
  author="Branislav {Hesko} and Radim {Kolář} and Vratislav {Harabiš}",
  title="Design of an experimental laser speckle contrast imaging system and image evaluation",
  journal="Lékař a technika",
  year="2017",
  volume="47",
  number="3",
  pages="101--107",
  issn="0301-5491",
  url="https://ojs.cvut.cz/ojs/index.php/CTJ/article/view/4687"
}