A method and an apparatus for analyzing a material within a container, such as blood within a capillary in a volumetric cytometry system provides for detecting the edges of the container, counting the cells within the container, characterizing the cells within the container, and evaluating channels of...http://www.google.de/patents/US5962238?utm_source=gb-gplus-sharePatent US5962238 - Method and apparatus for cell counting and cell classification
