Biotechnology Letters, Vol.24, No.11, 931-935, 2002
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 to identify flocs and filaments in a binary image.