US 12,225,303 B2
Method of operating dynamic vision sensor system
Whoiyul Kim, Seoul (KR); Jeyeon Kim, Goyang-si (KR); and Minsu Kim, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and IUCF-HYU {INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 7, 2022, as Appl. No. 18/053,184.
Claims priority of application No. 10-2021-0155578 (KR), filed on Nov. 12, 2021.
Prior Publication US 2023/0156355 A1, May 18, 2023
Int. Cl. H04N 25/50 (2023.01); G06T 7/11 (2017.01); G06T 7/136 (2017.01); G06T 7/215 (2017.01); G06T 7/246 (2017.01); H04N 25/77 (2023.01)
CPC H04N 25/50 (2023.01) [G06T 7/11 (2017.01); G06T 7/136 (2017.01); G06T 7/215 (2017.01); G06T 7/246 (2017.01); H04N 25/77 (2023.01); G06T 2207/30241 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a dynamic vision sensor system, comprising:
obtaining event signals from a plurality of dynamic vision sensor (DVS) pixels over a predetermined time period, wherein the event signals correspond to a measured change in light;
obtaining original image data based on the event signals output by the plurality of DVS pixels the plurality of dynamic vision sensor pixels respectively correspond to a plurality of image pixels;
obtaining binary image data by binarizing pixel values of the plurality of image pixels;
defining a plurality of pixel groups from the plurality of image pixels in using the binary image data; and
selecting a plurality of effective groups from among the plurality of pixel groups, wherein each effective group of the plurality of effective groups has at least one of a size, a shape, or a trajectory corresponding to a size, a shape, or a trajectory of an object to be detected in the original image data, and outputting result data representing the plurality of effective groups.