Memorias de investigación
Artículos en revistas:
Variational stereo imaging of oceanic waves with statistical constraints
Año:2013

Áreas de investigación
  • Procesado y análisis de la señal,
  • Procesamiento de imágenes

Datos
Descripción
An image processing observational technique for the stereoscopic reconstruction of the waveform of oceanic sea states is developed. The technique incorporates the enforcement of any given statistical wave law modeling the quasi-Gaussianity of oceanic waves observed in nature. The problem is posed in a variational optimization framework, where the desired waveform is obtained as the minimizer of a cost functional that combines image observations, smoothness priors and a weak statistical constraint. The minimizer is obtained by combining gradient descent and multigrid methods on the necessary optimality equations of the cost functional. Robust photometric error criteria and a spatial intensity compensation model are also developed to improve the performance of the presented image matching strategy. The weak statistical constraint is thoroughly evaluated in combination with other elements presented to reconstruct and enforce constraints on experimental stereo data, demonstrating the improvement in the estimation of the observed ocean surface.
Internacional
Si
JCR del ISI
Si
Título de la revista
Ieee Transactions on Image Processing
ISSN
1057-7149
Factor de impacto JCR
3,199
Información de impacto
Volumen
22
DOI
10.1109/TIP.2013.2271118
Número de revista
11
Desde la página
4211
Hasta la página
4223
Mes
SIN MES
Ranking

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Participantes
  • Autor: Guillermo Gallego Bonet UPM
  • Autor: Anthony Yezzi Georgia Institute of Technology
  • Autor: Francesco Fedele Georgia Institute of Technology
  • Autor: Alvise Benetazzo CNR-ISMAR

Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Grupo de Tratamiento de Imágenes (GTI)
  • Departamento: Señales, Sistemas y Radiocomunicaciones