US 12,348,881 B2
Image sensing device and image sensing method
Kuan Tang, Hsin-Chu (TW); and Jui-Te Chiu, Hsin-Chu (TW)
Assigned to PIXART IMAGING INC., Hsin-Chu (TW)
Filed by PIXART IMAGING INC., Hsin-Chu (TW)
Filed on Jul. 11, 2023, as Appl. No. 18/220,320.
Prior Publication US 2025/0024179 A1, Jan. 16, 2025
Int. Cl. H04N 25/445 (2023.01); H04N 25/42 (2023.01); H04N 25/585 (2023.01); H04N 25/78 (2023.01)
CPC H04N 25/445 (2023.01) [H04N 25/42 (2023.01); H04N 25/585 (2023.01); H04N 25/78 (2023.01)] 20 Claims
OG exemplary drawing
 
1. An image sensing device, comprising:
a pixel array in which pixels are arranged to form a plurality of rows and a plurality of columns;
a plurality of first row-selecting lines corresponding to the plurality of rows, respectively, wherein a first set of the pixels of each row is electrically connected to the corresponding first row-selecting line;
a plurality of second row-selecting lines corresponding to the rows, respectively, wherein a second set of the pixels of each row is electrically connected to the corresponding second row-selecting line; and
a control circuit configured to, in response to a high-frame rate (HFR) mode being enabled, perform an HFR readout process to obtain an image frame, wherein the HFR readout process includes a plurality of HFR readout periods, and the plurality of rows are divided into a selectable portion and an unselectable portion for the HFR readout process;
wherein, in each of the HFR readout periods, the control circuit is configured to select the first set of the pixels of an unselected first row and the second set of the pixels of an unselected second row adjacent to the unselected first row from the selectable portion of the rows, and read out signals of the selected pixels; and
wherein the unselectable portion of the rows is not selected in the HFR readout process.