公开(公告)号：US10699422B2

公开(公告)日：2020-06-30

申请号：US16085851

申请日：2017-01-26

Applicant: NEC Corporation

Inventor： Ryoma Oami ,  Katsuhiko Takahashi ,  Yusuke Konishi ,  Hiroshi Yamada ,  Hiroo Ikeda ,  Junko Nakagawa ,  Kosuke Yoshimi ,  Ryo Kawai ,  Takuya Ogawa

IPC: G06T7/292 ,  G06T7/269 ,  H04N7/18 ,  G06K9/00 ,  H04N5/232 ,  G06T7/20 ,  G06T1/00 ,  H04N5/247

Abstract: An information processing apparatus (2000) includes a first analyzing unit (2020), a second analyzing unit (2040), and an estimating unit (2060). The first analyzing unit (2020) calculates a flow of a crowd in a capturing range of a fixed camera (10) using a first surveillance image (12). The second analyzing unit (2040) calculates a distribution of an attribute of objects in a capturing range of a moving camera (20) using a second surveillance image (22). The estimating unit (2060) estimates an attribute distribution for a range that is not included in the capturing range of the moving camera (20).

公开(公告)号：US10269126B2

公开(公告)日：2019-04-23

申请号：US15323294

申请日：2015-06-01

Applicant: NEC Corporation

Inventor： Ryoma Oami ,  Hiroyoshi Miyano ,  Yusuke Takahashi ,  Hiroo Ikeda ,  Yukie Ebiyama ,  Ryo Kawai ,  Takuya Ogawa ,  Kazuya Koyama ,  Hiroshi Yamada

IPC: G06T7/20 ,  H04N7/18 ,  G06T7/292 ,  G06K9/00 ,  G06K9/62 ,  G08B13/196

Abstract: Provided is an image processing apparatus (2000) including an index value calculation unit (2020) and a presentation unit (2040). The index value calculation unit (2020) acquires a plurality of images captured by a camera (3000) (captured images), and calculates an index value indicating the degree of change in the state of a monitoring target in the captured image, using the acquired captured image. The presentation unit (2040) presents an indication based on the index value calculated by the index value calculation unit (2020) on the captured image captured by the camera (3000).

公开(公告)号：US10248868B2

公开(公告)日：2019-04-02

申请号：US14430416

申请日：2013-09-09

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06F17/30 ,  G06K9/00 ,  H04N5/91 ,  H04N7/18

Abstract: To efficiency search for an object associated with a sensed event, an information processing apparatus includes a sensor that analyzes a captured video and senses whether a predetermined event has occurred, a determining unit that determines a type of an object to be used as query information based on a type of the event in response to sensing of the event occurrence, and a generator that detects the object of the determined type from the video and generates the query information based on the detected object.

公开(公告)号：US10037466B2

公开(公告)日：2018-07-31

申请号：US14913469

申请日：2014-08-05

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06K9/00 ,  G06F17/30 ,  G06K9/46 ,  G06K9/62 ,  G06T7/00 ,  G06K9/03 ,  G06T7/90 ,  H04N5/232 ,  G08G1/017 ,  G08G1/04

CPC classification number: G06K9/00711 ,  G06F16/5838 ,  G06F16/7837 ,  G06K9/00228 ,  G06K9/036 ,  G06K9/4652 ,  G06K9/6202 ,  G06K9/6215 ,  G06K2209/15 ,  G06T7/0002 ,  G06T7/90 ,  G06T2207/10016 ,  G06T2207/20008 ,  G06T2207/30168 ,  G06T2207/30201 ,  G08G1/0175 ,  G08G1/04 ,  H04N5/23219 ,  H04N5/23229

Abstract: This invention provides a video processing apparatus for suppressing a decrease in search accuracy of an object of a search target based on a feature extracted from a degraded image in a video. The video processing apparatus includes an image degradation estimator that extracts an image in an image region used as an index of image degradation from a video and estimates a degree of image degradation in the image region, a feature extractor that extracts a feature of an object of a search target from the video, a feature database that stores the feature of the object of the search target, and a matcher that controls matching between the extracted feature and the stored feature based on the degree of image degradation estimated by the image degradation estimator, when searching for the object from the video.

公开(公告)号：US09922423B2

公开(公告)日：2018-03-20

申请号：US14414154

申请日：2013-06-17

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06K9/48 ,  G06T7/00 ,  H04N5/232 ,  H04N17/00 ,  G01B11/14 ,  G06K9/52 ,  G06T7/246

CPC classification number: G06T7/246 ,  G01B11/14 ,  G06K9/52 ,  G06T2207/30244 ,  H04N5/232 ,  H04N17/002

Abstract: An image angle variation detection means 81 detects an image angle variation of a imaging device from videos shot by the imaging device based on fixed point information including the position of a fixed point specified by an image angle of the imaging device and the features indicating the characteristics of the fixed point, and a situation determination means 82 determines that the image angle of the imaging device is varied when a change in the image angle variation is stable for a certain period of time.

公开(公告)号：US12190692B2

公开(公告)日：2025-01-07

申请号：US18235745

申请日：2023-08-18

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06T7/70 ,  G06V20/52 ,  G06V40/16 ,  G06V40/18 ,  G06V40/20 ,  G08B13/196

Abstract: A monitoring device and the like are provided which are capable of detecting an attribute change in a suspicious object that cannot be determined from the behavior of the object. An associating unit associates, among a plurality of objects detected from time-series image data, identical objects with one another. An attribute change detecting unit detects from the time-series image data a change in an attribute of at least one of the identical objects and an attendant item. A suspicious object detecting unit detects a suspicious object on the basis of the change in attribute.

公开(公告)号：US12183082B2

公开(公告)日：2024-12-31

申请号：US17471900

申请日：2021-09-10

Applicant: NEC CORPORATION

Inventor： Junko Nakagawa ,  Ryoma Oami ,  Kenichiro Ida ,  Mika Saito ,  Shohzoh Nagahama ,  Akinari Furukawa ,  Yasumasa Ohtsuka ,  Junichi Fukuda ,  Fumi Ikeda ,  Manabu Moriyama ,  Fumie Einaga ,  Tatsunori Yamagami ,  Keisuke Hirayama ,  Yoshitsugu Kumano ,  Hiroki Adachi

IPC: G06K9/00 ,  G06V20/40 ,  G06V20/52 ,  G06V40/10

Abstract: An information processing apparatus (10) includes a time and space information acquisition unit (110) that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit (120) that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit (130) that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of the possible surveillance target.

公开(公告)号：US12175846B2

公开(公告)日：2024-12-24

申请号：US18235741

申请日：2023-08-18

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06T7/70 ,  G06V20/52 ,  G06V40/16 ,  G06V40/18 ,  G06V40/20 ,  G08B13/196

Abstract: A monitoring device and the like are provided which are capable of detecting an attribute change in a suspicious object that cannot be determined from the behavior of the object. An associating unit associates, among a plurality of objects detected from time-series image data, identical objects with one another. An attribute change detecting unit detects from the time-series image data a change in an attribute of at least one of the identical objects and an attendant item. A suspicious object detecting unit detects a suspicious object on the basis of the change in attribute.

公开(公告)号：US12154384B2

公开(公告)日：2024-11-26

申请号：US17777122

申请日：2021-09-27

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: G06V40/40 ,  G06T7/70 ,  G06V40/18

Abstract: An information processing system (10) comprises: an image acquiring means (110) for acquiring an oblique image in which an eye of a target is captured from an angle different from an angle corresponding to a front of the target; a center detecting means (120) for detecting a center position (23) of a pupil (21) and a center position (24) of an iris (22) from the oblique image; and a determining means (130) for determining whether or not the target is an impersonator on the basis of difference between the center position of the pupil and the center position of the iris. According to this information processing system, it is possible to appropriately detect spoofing using patterned contact lenses.

公开(公告)号：US12143754B2

公开(公告)日：2024-11-12

申请号：US18242695

申请日：2023-09-06

Applicant: NEC Corporation

Inventor： Ryoma Oami

IPC: H04N7/18 ,  G06T7/70 ,  H04N23/695

Abstract: A position and pose determination unit (103) is configured to determine a position and an pose of the video acquisition unit (110) in such a way that a level of hiding caused by overlapping of objects becomes low based on environmental object information indicating an environmental object including a structural object present in the monitored area and a placed object placed in the structural object, and staying characteristic information indicating a staying characteristic of the object determined depending on the environmental object. The analysis and display unit (111) is configured to perform at least one of analyzing a video captured by the video acquisition unit (103) at the position and the pose determined by the position and pose determination unit (110) and displaying the video.