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Roche Digital Pathology Open Environment

Roche Digital Pathology BIF image file format*

With the acceleration of immunotherapy and the development of more complex assays, Roche would like to encourage the development of reliable image analysis algorithms and digital pathology software that can provide pathologists with tools to improve efficiency and precision for diagnosis. To that end, Roche is making the specifications of the Roche proprietary BIF file format publicly available, subject to Roche terms and conditions.

 

The BIF file format is based on the BigTIFF format; it supports single-wide and double-wide slides at 20x and 40x magnifications with varying tile overlaps. BIF also encapsulates information about which slide areas actually contained tissue. The specifications include a detailed description of the Roche proprietary metadata in BIF and may provide sufficient information to software developers to allow for the implementation of BIF file readers.

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*Only for the VENTANA DP 200 slide scanner. The VENTANA DP 200 is for Research Use Only. Not for use in diagnostic procedures.