公开(公告)号：US20220166637A1

公开(公告)日：2022-05-26

申请号：US17530721

申请日：2021-11-19

Applicant: Axis AB

Inventor： Axel KESKIKANGAS ,  Johnny WAHNSTRÖM ,  Ola MÅRTENSSON ,  Pernilla ALLANSSON

IPC: H04L9/32

Abstract: Systems and methods of managing a certificate associated with a component located at a remote location from a certificate authority system are provided. A certificate request is received, wherein the certificate request comprises a key associated with the component. A certificate is generated corresponding to the key received in the certificate request, and a validity status of the certificate is caused to be set to invalid. The certificate is provided to the component and it is determined whether the component matches the certificate. Upon determining that the component matches the certificate, the validity status is caused to be set to valid.

公开(公告)号：US20210383018A1

公开(公告)日：2021-12-09

申请号：US17313137

申请日：2021-05-06

Applicant: Axis AB

Inventor： Axel KESKIKANGAS ,  David HJERPE

IPC: G06F21/62 ,  G08B13/196

Abstract: A method for partially unmasking an object in a video stream comprises: displaying a first video stream in which objects are covered by privacy masks; receiving user input regarding a selection of an object being covered by a privacy mask, wherein the object has a first portion being associated with a first privacy level and a second portion being associated with a second, higher, privacy level; checking that a permission associated with the user input grants access to video data depicting object portions being associated with the first privacy level; giving access to video data depicting the first portion of the object; and displaying a second video stream which differs from the first video stream in that it includes the video data depicting the first portion of the object, while the second portion of the object is still covered by a privacy mask.

公开(公告)号：US20240114115A1

公开(公告)日：2024-04-04

申请号：US18464313

申请日：2023-09-11

Applicant: Axis AB

Inventor： Axel KESKIKANGAS ,  Song YUAN ,  Victor EDPLAM

IPC: H04N7/18 ,  H04N23/66 ,  H04N23/81 ,  H04N23/88

CPC classification number: H04N7/188 ,  H04N23/66 ,  H04N23/81 ,  H04N23/88

Abstract: A system and method trigger a second camera in a camera system to perform an action prior to an object appearing in the field of view of the second camera. The camera system includes the second camera for which a location and a field of view is known, and at least a first device for which a location is known. The method comprises receiving, in the second camera, information indicating that the object is approaching the field of view of the second camera. The received information indicates a location and a direction of movement of the object, and, in response to the received information, triggers the second camera to action prior to the object appearing in the field of view of the second camera by: generating an intra frame or initiating an intra refresh procedure, adjusting one or more image processing parameters, or adjusting an exposure time.

公开(公告)号：US20230077549A1

公开(公告)日：2023-03-16

申请号：US17877066

申请日：2022-07-29

Applicant: Axis AB

Inventor： Axel KESKIKANGAS ,  Georgios EFSTATHIOU

IPC: G06F9/50

Abstract: A method for evaluating an updated analytical procedure in a monitoring system, comprising a plurality of monitoring device arranged to monitor similar environments, is provided. The method comprises identifying available processing resources, selecting a first monitoring device for which available processing resources have been identified, selecting a second monitoring device, acquiring monitoring data by the second monitoring device, and performing a current analytical procedure on the monitoring data. The method further comprises sending the monitoring data to the first monitoring device, performing, in the first monitoring device, an updated analytical procedure on the monitoring data, and evaluating the updated analytical procedure based on the outcome of the current analytical procedure and the updated analytical procedure.

公开(公告)号：US20220086468A1

公开(公告)日：2022-03-17

申请号：US17398665

申请日：2021-08-10

Applicant: Axis AB

Inventor： Sebastian HULTQVIST ,  Viktor EDPALM ,  Axel KESKIKANGAS ,  Anton ELIASSON

IPC: H04N19/30 ,  H04N19/137 ,  H04N5/232 ,  H04N19/119 ,  H04N5/91 ,  H04N19/142 ,  G06F16/71 ,  G06F21/64

Abstract: A method of encoding a video stream for the provision of prunable video data, comprising: receiving, in an encoder, a video stream in which each image frame of the video stream is divided into a number of subviews, providing each subview with an assigned category based on a content of the particular subview, monitoring the evolution of category assigned for each subview, and encoding the video stream using a hierarchical P-frame encoding structure, in such manner that each change in category for a subview starts a new hierarchical P-frame structure.

公开(公告)号：US20210195096A1

公开(公告)日：2021-06-24

申请号：US17126105

申请日：2020-12-18

Applicant: Axis AB

Inventor： Axel KESKIKANGAS ,  Ted HARTZELL ,  Mazdak FARZONE

IPC: H04N5/232 ,  H04N5/247 ,  H04N17/00 ,  H04N7/18

Abstract: The present disclosure relates to a method performed by an assessment system (1) for prioritization among cameras (21, 22, 23, 2n) of a multi-camera arrangement (2). The assessment system obtains (1001) respective geographical camera position (211, 221, 231, 2n1) and camera properties (212, 222, 232, 2n2) of each of the cameras. The assessment system further receives (1002) information data (43) indicating a geographical object position (41) and object features (42) of a physical object (4) positioned in a surrounding (5) in a potential field of view (213, 223, 233, 2n3) of each of the cameras. Moreover, the assessment system determines (1003)—for each of the cameras—by comparing the object position and object features with the respective camera position and camera properties, a respective distance (D1, D2, D3, Dn) to the object position and a respective expected pixel size of the object at the respective distance. The assessment system furthermore compares (1004) respective image data (214, 224, 234, 2n4) of the surrounding derived from each of the cameras, with the respective expected pixel size. Moreover, the assessment system assigns (1005) each of the cameras a respective rating based on to what extent the respective image data corresponds to the respective expected pixel size.
The disclosure also relates to an assessment system in accordance with the foregoing, a surveillance system (3) comprising such an assessment system, and a respective corresponding computer program product and non-volatile computer readable storage medium.