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Investigation of optical detection strategies for transabdominal fetal heart rate detection using three-layered tissue model and Monte Carlo simulation

Gan, K. B ; Sharif University of Technology

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  1. Type of Document: Article
  2. Abstract:
  3. In this paper, the Monte Carlo technique is used to determine the optical detection strategies in three-layered (maternal, amniotic fluid and fetal) tissue model. This model is utilized to estimate the transabdominal optical power and optimum source-detector (S-D) separation. Results based on the launching of 2 million photons with 1 mW optical power showed that the expected optical power output is in the range of 10 -6-10 -10 W/cm 2 depending on S-D separation. Considering the limit of the signal processing methods (such as adaptive noise cancelling) and the use of silicon photodetector, an S-D separation of 4 cm has been selected as a practical compromise between signal level and percentage of optical power (70%) coming from the fetal layer. Based on these findings, transabdominal fetal heart rate detection system using NIR and adaptive filtering can be designed and developed
  4. Keywords:
  5. Adaptive noise cancelling ; Amniotic fluid ; Fetal heart rate ; Monte Carlo Simulation ; Monte Carlo techniques ; Optical detection ; Optical power ; Processing method ; Signal level ; Silicon photo-detector ; Tissue models ; Transabdominal ; Detectors ; Monte Carlo methods ; Neonatal monitoring ; Separation ; Tissue ; Source separation
  6. Source: Optica Applicata ; Volume 41, Issue 4 , 2011 , Pages 885-896 ; 00785466 (ISSN)
  7. URL: https://ukm.pure.elsevier.com/en/publications/investigation-of-optical-detection-strategies-for-transabdominal-fetal-heart-rate-detection-using-threelayered-tissue-model-and-monte-carlo-simulation%28b1d77939-f0ae-4e42-b192-97949ed3ba00%29.html