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- Lindblad, JoakimSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Bildanalys och människa-datorinteraktion,Avdelningen för visuell information och interaktion,,Centre for Image Analysis (author)
Coverage segmentation based on linear unmixing and minimization of perimeter and boundary thickness
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- Elsevier BV,2012
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-173319
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-173319URI
- https://doi.org/10.1016/j.patrec.2011.12.014DOI
- https://res.slu.se/id/publ/41162URI
Supplementary language notes
- Language:English
- Summary in:English &language:-1_t
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Notes
- We present a method for coverage segmentation, where the, possibly partial, coverage of each image element by each of the image components is estimated. The method combines intensity information with spatial smoothness criteria. A model for linear unmixing of image intensities is enhanced by introducing two additional conditions: (i) minimization of object perimeter, leading to smooth object boundaries, and (ii) minimization of the thickness of the fuzzy object boundary, and to some extent overall image fuzziness, to respond to a natural assumption that imaged objects are crisp, and that fuzziness is mainly due to the imaging and digitization process. The segmentation is formulated as an optimization problem and solved by the Spectral Projected Gradient method. This fast, deterministic optimization method enables practical applicability of the proposed segmentation method. Evaluation on both synthetic and real images confirms very good performance of the algorithm.
Subject headings and genre
- NATURVETENSKAP Data- och informationsvetenskap Datavetenskap hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Computer Sciences hsv//eng
- Linear unmixing
- Soft classification
- Fuzzy segmentation
- Pixel coverage model
- Energy minimization
- Spatial constraints
- Computerized Image Analysis
- Datoriserad bildanalys
Added entries (persons, corporate bodies, meetings, titles ...)
- Sladoje, Natasa (author)
- Uppsala universitetBildanalys och människa-datorinteraktion (creator_code:org_t)
- Sveriges lantbruksuniversitet
Related titles
- In:Pattern Recognition Letters: Elsevier BV33:6, s. 728-7380167-86551872-7344
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