Harri Pölönen Jussi Tohka Ulla Ruotsalainen Automatic Quantification of Fluorescence from Clustered Targets in Microscope Images. 667-675 2009 SCIA http://dx.doi.org/10.1007/978-3-642-02230-2_68 conf/scia/2009 db/conf/scia/scia2009.html#PolonenTR09