Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
Intensity Normalization of Sidescan Sonar Imagery
Year:2016
Research Areas
  • Electronic technology and of the communications,
  • Audiovisual equipment
Information
Abstract
Sonar imaging is currently the exemplary choice used in underwater imaging. However, since sound signals are absorbed by water, an image acquired by a sonar will have gradient illumination; thus, underwater maps will be difficult to process. In this work, we investigated this phenomenon with the objective to propose methods to normalize the images with regard to illumination. We propose to use MIxed exponential Regression Analysis (MIRA) estimated from each image that requires normalization. Two sidescan sonars have been used to capture the seabed in Lake Vattern in Sweden in two opposite directions west-east and east-west; hence, the task is extremely difficult due to differences in the acoustic shadows. Using the structural similarity index, we performed similarity analyses between corresponding regions extracted from the sonar images. Results showed that MIRA has superior normalization performance. This work has been carried out as part of the SWARMs project (http://www.swarms.eu/).
International
Si
Congress
The sixth International Conference on Image Processing Theory, Tools and Applications (IPTA'16)
960
Place
Oulu, Finlandia
Reviewers
Si
ISBN/ISSN
2154-512X
10.1109/IPTA.2016.7820967
Start Date
12/12/2016
End Date
15/12/2016
From page
1
To page
6
Image Processing Theory Tools and Applications (IPTA), 2016 6th International Conference on
Participants
  • Autor: M.S. Al-Ravi (Iniversidade de Aveiro)
  • Autor: Adrián Galán (Tecnalia Research)
  • Autor: Xin Yuan . (UPM)
  • Autor: Martina Eckert (UPM)
  • Autor: Jose Fernan Martinez Ortega (UPM)
  • Autor: Fredrik Elmgrem (DeepVision AB, Swede)
  • Autor: Baran Gürüklü (Mälardalen University, Sweden)
  • Autor: Jonathan Rodriguez (Universidade de Aveiro)
  • Autor: Joaquim Bastos (6 Instituto de Telecomunicações, Aveiro)
  • Autor: Marc Pinto (ECA Robotics, France)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Grupo de Redes y Servicios de Próxima Generación (GRyS)
  • Centro o Instituto I+D+i: Tecnologías del Software y Sistemas Multimedia para la Sostenibilidad (CITSEM)
  • Departamento: Teoría de la Señal y Comunicaciones (Provisional)
  • Departamento: Ingeniería Telemática y Electrónica
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