BACTERIA COLONY IDENTIFICATION USING VIDEO IMAGING

This paper describes an image analysis method to detect and locate Salmonella colonies grown on Petri dishes, on two different media. The colonies are described using their common feature characteristics: black center surrounded by a clear halation. Morphological image analysis functions are preferred to gray levels because of the color inhomogeneity of the background even under optimal lighting. The results obtained show the good ability of this method for detecting and locating but further work is needed to validate it on a greater number of Petri dishes.