US 11,815,519 B2
Stray light compensating methods and apparatus for characterizing a specimen
Patrick Wissmann, Munich (DE); and Benjamin S. Pollack, Jersey City, NJ (US)
Assigned to Siemens Healthcare Diagnostics Inc., Tarrytown, NY (US)
Appl. No. 16/632,321
Filed by Siemens Healthcare Diagnostics Inc., Tarrytown, NY (US)
PCT Filed Jul. 16, 2018, PCT No. PCT/US2018/042341
§ 371(c)(1), (2) Date Jan. 17, 2020,
PCT Pub. No. WO2019/018313, PCT Pub. Date Jan. 24, 2019.
Claims priority of provisional application 62/534,645, filed on Jul. 19, 2017.
Prior Publication US 2020/0166531 A1, May 28, 2020
Int. Cl. G06T 7/12 (2017.01); G01N 35/00 (2006.01); G01J 1/02 (2006.01); G06T 7/00 (2017.01); G06T 7/80 (2017.01); G06V 10/143 (2022.01); G06V 20/69 (2022.01); G06V 10/60 (2022.01)
CPC G01N 35/00732 (2013.01) [G01J 1/0295 (2013.01); G01N 35/00623 (2013.01); G01N 35/00693 (2013.01); G06T 7/0012 (2013.01); G06T 7/80 (2017.01); G06V 10/143 (2022.01); G06V 20/698 (2022.01); G06V 10/60 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A quality check module, comprising:
an imaging location within the quality check module configured to receive a specimen container containing a specimen;
one or more image capture devices configured to capture images of the imaging location from one or more viewpoints;
one or more light sources configured to provide back lighting for the one or more image capture devices; and
one or more stray light patches located in an area receiving stray light from the one or more light sources,
wherein the one or more stray light patches are located within 30 mm of the specimen container during imaging, and
each one of the one or more stray light patches contain an exposed patch area of at least 1 mm2.