公开(公告)号：US20230334811A1

公开(公告)日：2023-10-19

申请号：US18341968

申请日：2023-06-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongseok SEO ,  Hyunku LEE ,  Heejae JUNG

IPC: G06V10/147 ,  G06V10/25 ,  G06T5/00 ,  G06V10/22 ,  H04N23/80 ,  G06T7/70 ,  G06T7/20 ,  G06F18/243 ,  H04N23/667

CPC classification number: G06V10/147 ,  G06F18/243 ,  G06T5/002 ,  G06T7/20 ,  G06T7/70 ,  G06V10/22 ,  G06V10/25 ,  H04N23/667 ,  H04N23/80

Abstract: A vision sensor includes a pixel array comprising pixels arranged in a matrix, an event detection circuit, an event rate controller, and an interface circuit. Each pixel is configured to generate an electrical signal in response to detecting a change in incident light intensity. The event detection circuit detects whether a change in incident light intensity has occurred at any pixels, based on processing electrical signals received from one or more pixels, and generates one or more event signals corresponding to one or more pixels at which a change in intensity of incident light is determined to have occurred. The event rate controller selects a selection of one or more event signals corresponding to a region of interest on the pixel array as one or more output event signals. The interface circuit communicates with an external processor to transmit the one or more output event signals to the external processor.

公开(公告)号：US20180262705A1

公开(公告)日：2018-09-13

申请号：US15914073

申请日：2018-03-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keun Joo PARK ,  Junseok KIM ,  Yohan ROH ,  Hyunsurk RYU ,  Jooyeon WOO ,  Hyunku LEE

IPC: H04N5/3745 ,  H04N5/341 ,  H05B39/04 ,  G06F17/30

CPC classification number: H04N5/3745 ,  G06F16/2322 ,  G06F16/583 ,  H04N5/341 ,  H04N5/3675 ,  H04N5/37455 ,  H05B37/0218 ,  H05B37/0281 ,  H05B37/029 ,  H05B39/042 ,  Y02B20/14

Abstract: An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.

公开(公告)号：US20250166335A1

公开(公告)日：2025-05-22

申请号：US19030674

申请日：2025-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongseok SEO ,  Hyunku LEE ,  Heejae JUNG

IPC: G06V10/147 ,  G06F18/243 ,  G06T5/70 ,  G06T7/20 ,  G06T7/70 ,  G06V10/22 ,  G06V10/25 ,  H04N23/667 ,  H04N23/80

Abstract: A vision sensor includes a pixel array comprising pixels arranged in a matrix, an event detection circuit, an event rate controller, and an interface circuit. Each pixel is configured to generate an electrical signal in response to detecting a change in incident light intensity. The event detection circuit detects whether a change in incident light intensity has occurred at any pixels, based on processing electrical signals received from one or more pixels, and generates one or more event signals corresponding to one or more pixels at which a change in intensity of incident light is determined to have occurred. The event rate controller selects a selection of one or more event signals corresponding to a region of interest on the pixel array as one or more output event signals. The interface circuit communicates with an external processor to transmit the one or more output event signals to the external processor.

公开(公告)号：US20250166334A1

公开(公告)日：2025-05-22

申请号：US19030665

申请日：2025-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongseok SEO ,  Hyunku LEE ,  Heejae JUNG

IPC: G06V10/147 ,  G06F18/243 ,  G06T5/70 ,  G06T7/20 ,  G06T7/70 ,  G06V10/22 ,  G06V10/25 ,  H04N23/667 ,  H04N23/80

Abstract: A vision sensor includes a pixel array comprising pixels arranged in a matrix, an event detection circuit, an event rate controller, and an interface circuit. Each pixel is configured to generate an electrical signal in response to detecting a change in incident light intensity. The event detection circuit detects whether a change in incident light intensity has occurred at any pixels, based on processing electrical signals received from one or more pixels, and generates one or more event signals corresponding to one or more pixels at which a change in intensity of incident light is determined to have occurred. The event rate controller selects a selection of one or more event signals corresponding to a region of interest on the pixel array as one or more output event signals. The interface circuit communicates with an external processor to transmit the one or more output event signals to the external processor.

公开(公告)号：US20180039601A1

公开(公告)日：2018-02-08

申请号：US15667214

申请日：2017-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-Man PARK ,  Eric Hyunsurk RYU ,  Keun Joo PARK ,  Hyunku LEE

IPC: G06F17/14 ,  G06K9/00 ,  G06F3/01 ,  G06F3/0484 ,  G06K9/20 ,  G06K9/52

CPC classification number: G06F17/141 ,  G06F3/017 ,  G06F3/04842 ,  G06K9/00355 ,  G06K9/00624 ,  G06K9/00771 ,  G06K9/20 ,  G06K9/209 ,  G06K9/522 ,  G06K9/6267 ,  G06K9/78 ,  G06K2009/00738 ,  G06T7/246 ,  G06T7/269 ,  G06T2207/10016 ,  G08B13/1436 ,  H04N13/00

Abstract: Provided is an event signal processing method and apparatus. The event signal processing method includes acquiring, from an event based sensor, coordinates of an active pixel corresponding to an event and a timestamp corresponding to the event; mapping the event to a target voxel included in a three-dimensional (3D) grid based on the coordinates of the active pixel and the timestamp; and updating a value of the target voxel based on the event.

公开(公告)号：US20250063271A1

公开(公告)日：2025-02-20

申请号：US18933217

申请日：2024-10-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keun Joo PARK ,  Junseok KIM ,  Yohan ROH ,  Hyunsurk RYU ,  Jooyeon WOO ,  Hyunku LEE

IPC: H04N25/77 ,  G06F16/23 ,  G06F16/583 ,  H04N25/40 ,  H04N25/683 ,  H04N25/772 ,  H04N25/79 ,  H05B39/04 ,  H05B47/11 ,  H05B47/155 ,  H05B47/16

Abstract: An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.

公开(公告)号：US20240282070A1

公开(公告)日：2024-08-22

申请号：US18653271

申请日：2024-05-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongseok SEO ,  Hyunku LEE ,  Heejae JUNG

IPC: G06V10/147 ,  G06F18/243 ,  G06T5/70 ,  G06T7/20 ,  G06T7/70 ,  G06V10/22 ,  G06V10/25 ,  H04N23/667 ,  H04N23/80

CPC classification number: G06V10/147 ,  G06F18/243 ,  G06T5/70 ,  G06T7/20 ,  G06T7/70 ,  G06V10/22 ,  G06V10/25 ,  H04N23/667 ,  H04N23/80

Abstract: A vision sensor includes a pixel array comprising pixels arranged in a matrix, an event detection circuit, an event rate controller, and an interface circuit. Each pixel is configured to generate an electrical signal in response to detecting a change in incident light intensity. The event detection circuit detects whether a change in incident light intensity has occurred at any pixels, based on processing electrical signals received from one or more pixels, and generates one or more event signals corresponding to one or more pixels at which a change in intensity of incident light is determined to have occurred. The event rate controller selects a selection of one or more event signals corresponding to a region of interest on the pixel array as one or more output event signals. The interface circuit communicates with an external processor to transmit the one or more output event signals to the external processor.

公开(公告)号：US20200092508A1

公开(公告)日：2020-03-19

申请号：US16689579

申请日：2019-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keun Joo PARK ,  Junseok KIM ,  Yohan ROH ,  Hyunsurk RYU ,  Jooyeon WOO ,  Hyunku LEE

IPC: H04N5/3745 ,  G06F16/583 ,  H04N5/367 ,  H04N5/341 ,  H05B39/04 ,  G06F16/23

Abstract: An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.

公开(公告)号：US20180032150A1

公开(公告)日：2018-02-01

申请号：US15665914

申请日：2017-08-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunku LEE ,  Hyunsurk RYU ,  Keun Joo PARK ,  Jin-Man PARK

IPC: G06F3/03

CPC classification number: G06F3/0304 ,  G06F1/3262 ,  G06F3/017 ,  G06F3/0488 ,  G06T2207/20182 ,  H04N5/2357 ,  H04N5/357

Abstract: An event signal processing method and an event-based sensor performing the event signal processing method are provided. The event signal processing method includes receiving an activation signal to indicate sensing of an event from a sensor array, increasing the cumulative event number of a sensing area corresponding to the activation signal among sensing areas of the sensor array, reducing the cumulative event number of each of the sensing areas based on a parameter; and determining, as a flickering area, a sensing area among the sensing areas, of which the cumulative event number exceeds a threshold.