JP7734534B2 - 対象物を検出するシステム及び対象物を検出する方法 - Google Patents

対象物を検出するシステム及び対象物を検出する方法

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Publication number
JP7734534B2
JP7734534B2 JP2021141404A JP2021141404A JP7734534B2 JP 7734534 B2 JP7734534 B2 JP 7734534B2 JP 2021141404 A JP2021141404 A JP 2021141404A JP 2021141404 A JP2021141404 A JP 2021141404A JP 7734534 B2 JP7734534 B2 JP 7734534B2
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JP
Japan
Prior art keywords
region
interest
roi
image
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021141404A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023034917A (ja
JP2023034917A5 (https=
Inventor
桂一 廣木
篤史 小田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2021141404A priority Critical patent/JP7734534B2/ja
Priority to EP22863934.0A priority patent/EP4397564A4/en
Priority to PCT/JP2022/017760 priority patent/WO2023032344A1/ja
Publication of JP2023034917A publication Critical patent/JP2023034917A/ja
Publication of JP2023034917A5 publication Critical patent/JP2023034917A5/ja
Application granted granted Critical
Publication of JP7734534B2 publication Critical patent/JP7734534B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • 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
    • G06V10/40—Extraction of image or video features
    • G06V10/62—Extraction of image or video features relating to a temporal dimension, e.g. time-based feature extraction; Pattern tracking
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • G06V20/54—Surveillance or monitoring of activities, e.g. for recognising suspicious objects of traffic, e.g. cars on the road, trains or boats
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Image Analysis (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Image Processing (AREA)
JP2021141404A 2021-08-31 2021-08-31 対象物を検出するシステム及び対象物を検出する方法 Active JP7734534B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021141404A JP7734534B2 (ja) 2021-08-31 2021-08-31 対象物を検出するシステム及び対象物を検出する方法
EP22863934.0A EP4397564A4 (en) 2021-08-31 2022-04-14 OBJECT DETECTION SYSTEM AND OBJECT DETECTION METHOD
PCT/JP2022/017760 WO2023032344A1 (ja) 2021-08-31 2022-04-14 対象物を検出するシステム及び対象物を検出する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021141404A JP7734534B2 (ja) 2021-08-31 2021-08-31 対象物を検出するシステム及び対象物を検出する方法

Publications (3)

Publication Number Publication Date
JP2023034917A JP2023034917A (ja) 2023-03-13
JP2023034917A5 JP2023034917A5 (https=) 2024-08-07
JP7734534B2 true JP7734534B2 (ja) 2025-09-05

Family

ID=85412071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021141404A Active JP7734534B2 (ja) 2021-08-31 2021-08-31 対象物を検出するシステム及び対象物を検出する方法

Country Status (3)

Country Link
EP (1) EP4397564A4 (https=)
JP (1) JP7734534B2 (https=)
WO (1) WO2023032344A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026002633A (ja) * 2024-06-21 2026-01-08 株式会社日立製作所 障害物検知システム
KR102842712B1 (ko) * 2024-11-08 2025-08-06 한국철도기술연구원 영상 기반의 실시간 선로 검출 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019206318A (ja) 2018-05-30 2019-12-05 日本信号株式会社 監視装置
JP2021517537A (ja) 2018-05-01 2021-07-26 レール ビジョン リミテッドＲａｉｌ Ｖｉｓｉｏｎ Ｌｔｄ 選択された関心領域に関する高サンプリングレートの動的選択のためのシステムおよび方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6381981B2 (ja) * 2014-06-12 2018-08-29 西日本旅客鉄道株式会社 線路空間支障物検知システム
JP7086949B2 (ja) * 2016-10-20 2022-06-20 レール ビジョン リミテッド 鉄道アプリケーションの衝突回避において物体および障害物を検出し分類するためのシステムおよび方法
JP7000232B2 (ja) 2018-04-02 2022-02-04 株式会社東芝 前方監視装置、支障物衝突回避装置及び列車制御装置
JP7316107B2 (ja) * 2019-06-19 2023-07-27 日本信号株式会社 監視装置
JP6714942B1 (ja) 2020-03-04 2020-07-01 フォクレット合同会社 コミュニケーションシステム、コンピュータプログラム、及び情報処理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021517537A (ja) 2018-05-01 2021-07-26 レール ビジョン リミテッドＲａｉｌ Ｖｉｓｉｏｎ Ｌｔｄ 選択された関心領域に関する高サンプリングレートの動的選択のためのシステムおよび方法
JP2019206318A (ja) 2018-05-30 2019-12-05 日本信号株式会社 監視装置

Also Published As

Publication number Publication date
WO2023032344A1 (ja) 2023-03-09
JP2023034917A (ja) 2023-03-13
EP4397564A4 (en) 2025-07-02
EP4397564A1 (en) 2024-07-10

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