公开(公告)号：US11622092B2

公开(公告)日：2023-04-04

申请号：US17376127

申请日：2021-07-14

Applicant: PixArt Imaging Inc.

Inventor： Chih-Huan Wu ,  Wen-Han Yao

IPC: H04N7/18 ,  G08B13/196 ,  G06T7/246

Abstract: A method of an image sensor circuit includes: providing an event camera comprising at least one pixel unit; using the event camera to sense at least one current pixel value of the at least one pixel unit to detect whether at least one pixel value changes; when the at least one pixel value changes, using the event camera to trigger the digital processing circuit when the digital processing circuit is in a power saving mode and transmit information of the at least one pixel value to the digital processing circuit.

公开(公告)号：US20220321828A1

公开(公告)日：2022-10-06

申请号：US17847183

申请日：2022-06-23

Applicant: PixArt Imaging Inc.

Inventor： Chih-Huan Wu ,  Yi-Hsien Ko ,  Wen-Han Yao

IPC: H04N5/77 ,  G11B27/34

Abstract: A motion detection method applied into an image sensor device includes: providing a plurality of regions of interest (ROIs) on at least one monitoring image; for each region of interest (ROI): detecting whether at least one motion event occurs within the each ROI; and determining a priority level of the each ROI according to at least one feature information of the at least one motion event; and determining an alarm schedule of the ROIs for a user according to a plurality of priority levels of the ROIs.

公开(公告)号：US11405581B2

公开(公告)日：2022-08-02

申请号：US17326298

申请日：2021-05-20

Applicant: PixArt Imaging Inc.

Inventor： Chih-Huan Wu ,  Yi-Hsien Ko ,  Wen-Han Yao

IPC: H04N5/77 ,  G11B27/34 ,  H04N5/235

Abstract: A motion detection method applied into an image sensor device includes: providing a plurality of regions of interest (ROIs) on at least one monitoring image; for each region of interest (ROI): detecting whether at least one motion event occurs within the each ROI; and determining a priority level of the each ROI according to at least one feature information of the at least one motion event; and determining an alarm schedule of the ROIs for a user according to a plurality of priority levels of the RIOs.

公开(公告)号：US10757358B1

公开(公告)日：2020-08-25

申请号：US16431788

申请日：2019-06-05

Applicant: PRIMESENSOR TECHNOLOGY INC. ,  PixArt Imaging Inc.

Inventor： Chih-Huan Wu ,  Wen-Cheng Yen

IPC: H04N9/80 ,  H04N5/77 ,  G11B27/34 ,  H04N5/235

Abstract: There is provided a photographing device having two output interfaces that respectively used to output a first image frame and a second image frame. The first image frame is provided to a processor of the photographing device to perform the feature extraction and tag the second image frame accordingly. The tagged second image frame is for the image recording of an external back end.