Identificador persistente para citar o vincular este elemento:
http://hdl.handle.net/10553/47466
Título: | Artifact reduction in sinc interpolation using adaptive filtering | Autores/as: | Rodriguez-Florido, M. A. Ruiz-Alzola, J. Westin, C. F. |
Clasificación UNESCO: | 3307 Tecnología electrónica | Palabras clave: | Interpolation Adaptative filters Biomedical imaging Image reconstruction Computed tomography |
Fecha de publicación: | 2001 | Publicación seriada: | IEEE International Conference on Image Processing | Conferencia: | IEEE International Conference on Image Processing (ICIP) | Resumen: | We propose a new method for artifact reduction of upsampled multidimensional signals. These artifacts are evident near the edges and they are due to the spectra narrowing associated to upsampling. The method is based on first upsampling the signal with conventional optimal sinc interpolation and then applying a local filter that reduces the high frequencies associated to the ringing artifacts along the edges while leaving unchanged the directions orthogonal to them. The method is specially suitable when dealing with medical images that contain small structures, such as thin bones in CT. | URI: | http://hdl.handle.net/10553/47466 | ISBN: | 0-7803-6725-1 | Fuente: | IEEE International Conference on Image Processing,v. 3, p. 884-887 |
Colección: | Actas de congresos |
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