Abstract: The study of in vitro cancerous cell behavior is a very important topic. We describe here a tool which we have developed and which enables cell motility, cell proliferation and cell death rate to be determined semi-automatically. The tool is based on the processing of images obtained by observing cultures over several days. Numerous experiments have already been performed. These experiments are described only briefly in this paper and must be considered as examples of applications of the device that we present. !17
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