Skip to main content

Main navigation

  • About ITEFI
  • Research
  • Formación y empleo
  • OpenLab
  • Servicios científico técnicos
  • Staff Directory

Refraction Correction in Full Angle Spatial Image Compounding

full angle spatial compound - FASC
tomography
breast cancer
bilinear interpolation
L. Medina, N. González-Salido, J. Camacho, M. Pérez-Liva, J.L. Herraiz, J. M. Udías
2016 Global Medical Engineering Physics Exchanges / Pan American Health Care Exchanges (GMEPE /PAHCE). IEEE Catalog number: CFP1618G-DVD
https://doi.org/10.1109/GMEPE-PAHCE.2016.7504650

Currently there is a growing interest on Full Angle Spatial Compounding (FASC) for breast cancer detection. This technique obtains tomograms at coronal planes of a hanging breast immersed in a water tank and surrounded by ring of ultrasonic transducers. The tomograms are obtained by compounding sector images taken from different orientations in 360º. The well known advantages of the technique include improved contrast-to-noise ratio, high and uniform resolution and the possibility of obtaining 3D images by stacking several tomograms. Since FASC is applied in immersion, refraction at the skin due to different propagation velocities in water and tissue deteriorates significantly the image if not taken into account. Image compounding in presence of refraction is more complicated than in the homogeneous case. This work addresses this problem by proposing an algorithm that performs the required interpolation of many scan lines in the compounding region, taking into account the refraction at the interface.

GSTU
Acoustics and Non Destructive Evaluation (DAEND)
  • Environmental Acoustics (GAA)
  • G Carma: Materials Characterization by Non Destructive Evaluation
  • ULAB, Ultrasounds for Liquid Analysis and Bioengineering
Information and Communication Technologies (TIC)
  • Cybersecurity and Privacy Protection Research Group (GiCP)
  • Research group on Cryptology and Information Security (GiCSI)
    • Quantum Communications Laboratory (LCQE)
  • Multichannel Ultrasonic Signal Processing Group (MUSP)
Sensors and Ultrasonic Systems (DSSU)
  • Ultrasonic Systems and Technologies (USTG)
  • Nanosensors and Smart Systems (NoySi)
  • Ultrasonic Resonators for cavitation and micromanipulation (RESULT)
  • Advanced Sensor Technology (SENSAVAN)
  • Quantum Electronics (QE)
Laboratorios
  • Laboratorio de Acústica
  • Laboratorio de Metrología Ultrasónica Médica (LMUM)
  • Laboratorio de Comunicaciones Cuánticas
  • Laboratory for International Collaboration in Advanced Biophotonics Imaging

Instituto de Tecnologías Físicas y de la Información Leonardo Torres Quevedo  - ITEFI
C/ Serrano, 144. 28006 - Madrid • Tel.: (+34) 91 561 88 06  Contacto  •  Intranet
EDIFICIO PARCIALMENTE ACCESIBLE POR PERSONAS CON MOVILIDAD REDUCIDA