The document describes Definiens Tissue Studio 2.0, an image analysis software solution. Some key updates in version 2.0 include full support for immunofluorescence images, improved nucleus detection, and customized tuning of the Definiens Composer technology for region of interest detection. The software provides a simple 4-step workflow (load, configure, run, review). It allows detection of cells and subcellular structures in brightfield and immunofluorescence images. Region of interest detection uses Definiens Composer technology which interactively "learns" from user input.