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Currently, assessing the effectiveness of different bio-toxin solutions is done mostly manually by biotech experts. The goal of this study is to investigate the use of image analysis for automating and improving the efficiency of this process. In this context, we have developed a prototype system for assessing insect growth from color images which contains three main stages: (1) insect segmentation from background, (2) region processing and feature extraction, and (3) categorization of insect growth. A probabilistic model based on mixtures of Gaussians has been adopted to segment the insect images. Also, back-propagation neural networks have been trained to classify the instar stage and life stage. The proposed system has been evaluated on a set of real images. <\/jats:p>","DOI":"10.1142\/s0218213011000255","type":"journal-article","created":{"date-parts":[[2011,6,20]],"date-time":"2011-06-20T07:22:26Z","timestamp":1308554546000},"page":"511-530","source":"Crossref","is-referenced-by-count":2,"title":["ASSESSING INSECT GROWTH USING IMAGE ANALYSIS"],"prefix":"10.1142","volume":"20","author":[{"given":"TOM","family":"PATTEN","sequence":"first","affiliation":[{"name":"Department of Computer Science and Engineering, University of Nevada, Reno, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"WENJING","family":"LI","sequence":"additional","affiliation":[{"name":"STI Medical Systems, Honolulu, Hawaii, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"GEORGE","family":"BEBIS","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Engineering, University of Nevada, Reno, USA"},{"name":"Computer Science Department, King Saud University, Riyadh, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MUHAMMAD","family":"HUSSAIN","sequence":"additional","affiliation":[{"name":"Computer Science Department, King Saud University, Riyadh, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2012,4,30]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1016\/0734-189X(86)90005-8"},{"key":"rf2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00142568"},{"key":"rf3","doi-asserted-by":"publisher","DOI":"10.1109\/42.511759"},{"key":"rf4","doi-asserted-by":"publisher","DOI":"10.1109\/34.632981"},{"key":"rf5","doi-asserted-by":"publisher","DOI":"10.1023\/A:1006509010816"},{"key":"rf6","first-page":"121","volume":"15","author":"Bhandarkar S. 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