2026-04-18T07:25:16Zhttps://recercat.cat/oai/request

oai:recercat.cat:2117/1022232026-01-21T05:01:31Zcom_2072_1033col_2072_452950

Interpolation and extrapolation of image partitions using Fourier descriptors: application to segmentation-based coding schemes Marqués Acosta, Fernando Llorens, Bernat Gasull Llampallas, Antoni Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions Universitat Politècnica de Catalunya. GPI - Grup de Processament d'Imatge i Vídeo Àrees temàtiques de la UPC::Enginyeria de la telecomunicació Telecommunication Mathematical morphology Image segmentation Image sequences Image coding Interpolation Extrapolation Fourier transforms Telecomunicació This paper presents an interpolation/extrapolation technique for sequence partitions. It consists of four steps: region parametrization, region interpolation, region ordering and partition creation. The evolution of each region is divided into two types: regular motion and random deformations. Both types of evolution are parametrized by means of the Fourier descriptors of the regions and they are separately interpolated in the Fourier domain. The final interpolated partition is built from the ordered combination of the interpolated regions, using morphological tools. Peer Reviewed Postprint (published version) 1995 Conference report Marques, F., Llorens, B., Gasull, A. Interpolation and extrapolation of image partitions using Fourier descriptors: application to segmentation-based coding schemes. A: IEEE International Conference on Image Processing. "ICIP 1995: International Conference on Image Processing: October 23-29, 1995". Washington, DC: . S.N., 1995, p. 584-587. https://hdl.handle.net/2117/102223 10.1109/ICIP.1995.537702 eng http://ieeexplore.ieee.org/document/537702/ http://creativecommons.org/licenses/by-nc-nd/3.0/es/ Open Access 4 p. application/pdf . S.N.