Artículo
Detection of the mandibular canal in orthopantomography using a Gabor-filtered anisotropic generalized Hough transform
Autor/es | Onchis Moaca, Darian
Zappalá, Simone Gotia, Smaranda Laura Real Jurado, Pedro Pricop, Marius |
Departamento | Universidad de Sevilla. Departamento de Matemática Aplicada I (ETSII) |
Fecha de publicación | 2016 |
Fecha de depósito | 2021-09-23 |
Publicado en |
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Resumen | In this paper, we explore the possibility of applying the anisotropic generalized Hough transform (AGHT) enhanced with a Gabor based time-frequency filtering (GTF) for the determination of the mandibular canal in digital ... In this paper, we explore the possibility of applying the anisotropic generalized Hough transform (AGHT) enhanced with a Gabor based time-frequency filtering (GTF) for the determination of the mandibular canal in digital dental panoramic radiographs. The proposed method is based on template matching us- ing the fact that the shape of the mandibular canal is usually the same, followed by a filtering of the accumulator space in the Gabor domain for a precise detection of the position. The proposed procedure consists of a detailed description of the shape of the canal in its canonical form and on preserving Gabor filtering information for sorting the hierarchy of location candidates after applying anisotropically the ex- traction algorithm. The experimental results show that the proposed procedure is robust to recognition under occlusion and under the presence of additional structures e.g. teeth, projection errors. |
Cita | Onchis Moaca, D., Zappalá, S., Gotia, S.L., Real Jurado, P. y Pricop, M. (2016). Detection of the mandibular canal in orthopantomography using a Gabor-filtered anisotropic generalized Hough transform. Pattern Recognition Letters, 83 (1), 85-90. |
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