Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/67
Título: Multi-scale cortical keypoint representation for attention and object detection
Autor: Rodrigues, J. M. F.
du Buf, J. M. H.
Palavras-chave: Visão computorizada
Córtex visual
Data: 2005
Editora: Estoril, Lisboa
Citação: 2nd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2005). - Estoril, Lisboa : Springer LNCS 3523, 7-9 June 2005. - LNCS 3523. - p. 255-262
Resumo: Keypoints (junctions) provide important information for focus-of-attention (FoA) and object categorization/recognition. In this paper we analyze the multi-scale keypoint representation, obtained by applying a linear and quasi-continuous scaling to an optimized model of cortical end-stopped cells, in order to study its importance and possibilities for developing a visual, cortical architecture.We show that keypoints, especially those which are stable over larger scale intervals, can provide a hierarchically structured saliency map for FoA and object recognition. In addition, the application of non-classical receptive field inhibition to keypoint detection allows to distinguish contour keypoints from texture (surface) keypoints.
URI: http://hdl.handle.net/10400.1/67
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