US Patent Issued to Ventana Medical Systems on Sept. 9 for "Auto-focus methods and systems for multi-spectral imaging" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,329, issued on Sept. 9, was assigned to Ventana Medical Systems Inc. (Tucson, Ariz.).

"Auto-focus methods and systems for multi-spectral imaging" was invented by Joerg Bredno (San Francisco), Jim F. Martin (Mountain View, Calif.) and Anindya Sarkar (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for acquiring focused images of a microscope slide are disclosed. During a calibration phase, a "base" focal plane is determined using non-synthetic and/or synthetic auto-focus techniques. Furthermore, offset planes are determined for color channels (or filter bands) and used to generate an auto-focus model. During subsequent sca...