Adaptive marginal median filter for colour images

[EN] This paper describes a new filter for impulse noise reduction in colour images which is aimed at improving the noise reduction capability of the classical vector median filter. The filter is inspired by the application of a vector marginal median filtering process over a selected group of pixel...

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Detalles Bibliográficos
Autores: Morillas, Samuel|||0000-0001-9262-6139, Gregori Gregori, Valentín|||0000-0002-5983-6182, Sapena Piera, Almanzor|||0000-0001-8473-6063
Tipo de recurso: artículo
Fecha de publicación:2011
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/28812
Acceso en línea:https://riunet.upv.es/handle/10251/28812
Access Level:acceso abierto
Palabra clave:Color image filter
Robust filter
Vector median filter
Algorithm
Article
Artifact
Color
Flower
Image processing
Methodology
Algorithms
Artifacts
Flowers
Image Processing, Computer-Assisted
MATEMATICA APLICADA
Descripción
Sumario:[EN] This paper describes a new filter for impulse noise reduction in colour images which is aimed at improving the noise reduction capability of the classical vector median filter. The filter is inspired by the application of a vector marginal median filtering process over a selected group of pixels in each filtering window. This selection, which is based on the vector median, along with the application of the marginal median operation constitutes an adaptive process that leads to a more robust filter design. Also, the proposed method is able to process colour images without introducing colour artifacts. Experimental results show that the images filtered with the proposed method contain less noisy pixels than those obtained through the vector median filter. © 2011 by the authors; licensee MDPI, Basel, Switzerland.