Towards on-line quantification of flocs and filaments by image analysis

A fully automatic image analysis method for recognizing flocs and filaments in an activated sludge sample was developed. Five simple shape descriptors, namely the aspect ratio, the roundness, the form factor, the fractal dimension and the reduced radius of gyration, were assessed on their capability...

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Bibliographic Details
Published in:Biotechnology letters 2002-06, Vol.24 (11), p.931-935
Main Authors: JENNE, R, CENENS, C, GEERAERD, A. H, VAN IMPE, J. F
Format: Article
Language:English
Subjects:
Activated sludge
Biological and medical sciences
Biological treatment of waters
Biotechnology
Environment and pollution
Fractals
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
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Summary:A fully automatic image analysis method for recognizing flocs and filaments in an activated sludge sample was developed. Five simple shape descriptors, namely the aspect ratio, the roundness, the form factor, the fractal dimension and the reduced radius of gyration, were assessed on their capability to identify flocs and filaments in a binary image.
ISSN:0141-5492
1573-6776
DOI:10.1023/A:1015512712843