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Coltelli P., Barsanti L., Evangelista V., Frassanito A. M., Passarelli V., Gualtieri P. Automatic and real time recognition of microalgae by means of pigment signature and shape. In: Journal of Environmental Monitoring, vol. 15 (7) pp. 1397 - 1410. Royal Society of Chemistry, 2013.
 
 
Abstract
(English)
Microalgae are unicellular photoautotrophic organisms that grow in any habitat such as fresh and salt water bodies, hot springs, ice, air, and in or on other organisms and substrates. Massive growth of microalgae may produce harmful effects on the marine and freshwater ecological environment and fishery resources. Therefore, rapid and accurate recognition and classification of microalgae is one of the most important issues in water resource management. In this paper, a new methodology for automatic and real time identification of microalgae by means of microscopy image analysis is presented. This methodology is based on segmentation, shape features extraction, and characteristic colour (i.e. pigment signature) determination. A classifier algorithm based on the minimum distance criterion was used for microalgae grouping according to the measured features. 96.6% accuracy from a set of 3423 images of 24 different microalgae representing the major algal phyla was achieved by this methodology.
URL: http://pubs.rsc.org/en/content/articlepdf/2013/em/c3em00160a
DOI: 10.1039/C3EM00160A
Subject Microalgae recognition
Environmental monitoring
Image analysis
Feature extraction
J.3 LIFE AND MEDICAL SCIENCES


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