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izvor podataka: crosbi

Efficient postprocessing of edge maps for image segmentation based on greedy correction cost minimization (CROSBI ID 182716)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cupec, Robert ; Nyarko, Emmanuel Karlo ; Slišković, Dražen Efficient postprocessing of edge maps for image segmentation based on greedy correction cost minimization // Journal of electronic imaging, 21 (2012), 2; 023007-1-023007-13. doi: 10.1117/1.JEI.21.2.023007

Podaci o odgovornosti

Cupec, Robert ; Nyarko, Emmanuel Karlo ; Slišković, Dražen

engleski

Efficient postprocessing of edge maps for image segmentation based on greedy correction cost minimization

A highly efficient postprocessing technique which enables the result of edge detection to be used for image segmentation is proposed. The method starts from an edge map obtained by a standard edge detection tool, e.g., Canny edge detector, and corrects it to obtain an edge map in which every edge point belongs to a closed boundary of an image region. The correction of the original edge map assumes removing some of the existing edge points as well as inserting virtual edge points. The proposed edge map correction procedure consists of two stages: (1) edge linking, which closes the gaps in edge contours by inserting virtual edge elements, and (2) edge pruning, which rejects spurious contours thereby avoiding over- segmentation. The edge pruning procedure performs an iterative greedy minimization of a correction cost function, while keeping all contours of the edge map closed. The proposed approach is evaluated using a set of standard test images.

image segmentation; edges; image analysis

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Podaci o izdanju

21 (2)

2012.

023007-1-023007-13

objavljeno

1017-9909

10.1117/1.JEI.21.2.023007

Povezanost rada

Elektrotehnika, Računarstvo

Poveznice
Indeksiranost