Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/29492
Título: | Focus evaluation approach for retinal images |
Autor(es): | Veiga, Diana Pereira, Carla Ferreira, Manuel João Oliveira Gonçalves, Luís Monteiro, João L. |
Palavras-chave: | Digital fundus photography Focus measures Image processing |
Data: | 2014 |
Editora: | SCITEPRESS – Science and Technology Publications |
Resumo(s): | Digital fundus photographs are often used to provide clinical diagnostic information about several pathologies such as diabetes, glaucoma, macular degeneration and vascular and neurologic disorders. To allow a precise analysis, digital fundus image quality should be assessed to evaluate if minimum requirements are present. Focus is one of the causes of low image quality. This paper describes a method that automatically classifies fundus images as focused or defocused. Various focus measures described in literature were tested and included in a feature vector for the classification step. A neural network classifier was used. HEI-MED and MESSIDOR image sets were utilized in the training and testing phase, respectively. All images were correctly classified by the proposed algorithm. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/29492 |
ISBN: | 9789897580031 |
DOI: | 10.5220/0004671104560461 |
Arbitragem científica: | yes |
Acesso: | Acesso restrito UMinho |
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Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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VISAPP_2014_86_CR.pdf Acesso restrito! | 432,09 kB | Adobe PDF | Ver/Abrir |