US 11,944,483 B2
Radiation detector with automatic exposure control and a method of automatic exposure control
Peiyan Cao, Shenzhen (CN); and Yurun Liu, Shenzhen (CN)
Assigned to SHENZHEN XPECTVISION TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed by SHENZHEN XPECTVISION TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed on Feb. 18, 2021, as Appl. No. 17/178,851.
Application 17/178,851 is a continuation of application No. PCT/CN2018/106386, filed on Sep. 19, 2018.
Prior Publication US 2021/0169436 A1, Jun. 10, 2021
Int. Cl. A61B 6/00 (2006.01); A61B 6/42 (2024.01); G01N 23/046 (2018.01); G01T 1/02 (2006.01); G01T 1/24 (2006.01)
CPC A61B 6/542 (2013.01) [A61B 6/4233 (2013.01); G01N 23/046 (2013.01); G01T 1/026 (2013.01); G01T 1/247 (2013.01); G01N 2223/419 (2013.01); G01N 2223/501 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A method comprising:
determining doses of radiation received by a first set of pixels of a radiation detector, based on electrical signals generated from the radiation received by the first set of pixels;
determining that the doses satisfy a criterion;
adjusting exposure of the radiation detector to the radiation in response to the doses satisfying the criterion; and
forming an image based on radiation received by a second set of pixels of the radiation detector;
wherein the first set is a subset of the second set;
wherein a set of picture elements of the image are respectively formed using the electrical signals generated from the radiation received by the first set of pixels.