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Although reliable and accurate results have been obtained, the main disadvantage in most of these proposals is the high computation effort required. In this paper, a methodology to extract the retinal vessel tree has been developed and tested in a fine\u2010grain pixel\u2010parallel processor array. An analysis of the execution time has been made to demonstrate its capabilities regarding the computation speed. Moreover, an analysis of the accuracy using a publicly available database has been made to validate the algorithm performance. Copyright \u00a9 2008 John Wiley & Sons, Ltd.<\/jats:p>","DOI":"10.1002\/cta.512","type":"journal-article","created":{"date-parts":[[2008,6,20]],"date-time":"2008-06-20T13:38:32Z","timestamp":1213969112000},"page":"641-651","source":"Crossref","is-referenced-by-count":37,"title":["Fast retinal vessel tree extraction: A pixel parallel approach"],"prefix":"10.1002","volume":"36","author":[{"given":"C.","family":"Alonso\u2010Montes","sequence":"first","affiliation":[]},{"given":"D. L.","family":"Vilari\u00f1o","sequence":"additional","affiliation":[]},{"given":"P.","family":"Dudek","sequence":"additional","affiliation":[]},{"given":"M. G.","family":"Penedo","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2008,6,20]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"crossref","unstructured":"BrievaJ GalvezM ToumoulinC.Coronary extraction and stenosis quantification in X\u2010ray angiographic imaging. 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