KR20220024545A - 외재적 카메라 교정 방법 및 시스템 - Google Patents

외재적 카메라 교정 방법 및 시스템 Download PDF

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Publication number
KR20220024545A
KR20220024545A KR1020227001269A KR20227001269A KR20220024545A KR 20220024545 A KR20220024545 A KR 20220024545A KR 1020227001269 A KR1020227001269 A KR 1020227001269A KR 20227001269 A KR20227001269 A KR 20227001269A KR 20220024545 A KR20220024545 A KR 20220024545A
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South Korea
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camera
image
feature
features
composite
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Korean (ko)
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웬 장
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힌지 헬스 인크.
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/97—Determining parameters from multiple pictures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30244—Camera pose

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Image Analysis (AREA)
  • Studio Devices (AREA)
KR1020227001269A 2019-06-14 2020-03-27 외재적 카메라 교정 방법 및 시스템 Ceased KR20220024545A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA3046609A CA3046609C (en) 2019-06-14 2019-06-14 Method and system for extrinsic camera calibration
CA3,046,609 2019-06-14
PCT/IB2020/052938 WO2020250047A1 (en) 2019-06-14 2020-03-27 Method and system for extrinsic camera calibration

Publications (1)

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KR20220024545A true KR20220024545A (ko) 2022-03-03

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Country Status (6)

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US (1) US20220108476A1 (https=)
EP (1) EP3983998B1 (https=)
JP (1) JP7542558B2 (https=)
KR (1) KR20220024545A (https=)
CA (1) CA3046609C (https=)
WO (1) WO2020250047A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114882122B (zh) * 2022-05-23 2025-08-15 佛山市南海区广工大数控装备协同创新研究院 图像局部自动标定方法、装置及相关设备
JP2024062300A (ja) * 2022-10-24 2024-05-09 キヤノン株式会社 画像処理装置、画像処理方法及びコンピュータプログラム
US12094171B2 (en) * 2022-11-16 2024-09-17 Google Llc Calibrating camera in electronic device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203590B2 (en) * 2007-09-04 2012-06-19 Hewlett-Packard Development Company, L.P. Video camera calibration system and method
US8861864B2 (en) * 2010-03-11 2014-10-14 Qualcomm Incorporated Image feature detection based on application of multiple feature detectors
US9412164B2 (en) * 2010-05-25 2016-08-09 Hewlett-Packard Development Company, L.P. Apparatus and methods for imaging system calibration
US9641830B2 (en) * 2014-04-08 2017-05-02 Lucasfilm Entertainment Company Ltd. Automated camera calibration methods and systems
US10176554B2 (en) * 2015-10-05 2019-01-08 Google Llc Camera calibration using synthetic images
EP3173979A1 (en) * 2015-11-30 2017-05-31 Delphi Technologies, Inc. Method for identification of characteristic points of a calibration pattern within a set of candidate points in an image of the calibration pattern
CN108886583B (zh) 2016-04-11 2021-10-26 思碧迪欧有限公司 用于通过数据网络向多个用户提供虚拟的摇摄-倾斜-缩放，ptz，视频功能的系统和方法
US10867416B2 (en) * 2017-03-10 2020-12-15 Adobe Inc. Harmonizing composite images using deep learning
US20200057778A1 (en) * 2017-04-11 2020-02-20 Siemens Mobility GmbH Depth image pose search with a bootstrapped-created database
GB2564642A (en) * 2017-07-10 2019-01-23 Nokia Technologies Oy Methods and apparatuses for panoramic image processing
JP6776202B2 (ja) 2017-07-28 2020-10-28 クラリオン株式会社 車載カメラのキャリブレーション装置及び方法
US10924755B2 (en) * 2017-10-19 2021-02-16 Arizona Board Of Regents On Behalf Of Arizona State University Real time end-to-end learning system for a high frame rate video compressive sensing network
US20200143238A1 (en) * 2018-11-07 2020-05-07 Facebook, Inc. Detecting Augmented-Reality Targets

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Publication number Publication date
WO2020250047A1 (en) 2020-12-17
JP7542558B2 (ja) 2024-08-30
EP3983998B1 (en) 2026-01-07
CA3046609A1 (en) 2020-12-14
CA3046609C (en) 2025-12-09
EP3983998A4 (en) 2023-07-12
EP3983998A1 (en) 2022-04-20
JP2022536789A (ja) 2022-08-18
US20220108476A1 (en) 2022-04-07

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