CA2026290A1 - Moving object detecting system - Google Patents

Moving object detecting system

Info

Publication number
CA2026290A1
CA2026290A1 CA2026290A CA2026290A CA2026290A1 CA 2026290 A1 CA2026290 A1 CA 2026290A1 CA 2026290 A CA2026290 A CA 2026290A CA 2026290 A CA2026290 A CA 2026290A CA 2026290 A1 CA2026290 A1 CA 2026290A1
Authority
CA
Canada
Prior art keywords
section
moving object
feature
background
region
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.)
Granted
Application number
CA2026290A
Other languages
French (fr)
Other versions
CA2026290C (en
Inventor
Mutsumi Watanabe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of CA2026290A1 publication Critical patent/CA2026290A1/en
Application granted granted Critical
Publication of CA2026290C publication Critical patent/CA2026290C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments

Abstract

Abstract of the Disclosure A moving object detecting system includes an image acquiring section, a feature extracting section, a background detecting section, a prediction parameter calculating section, a region estimating section, and a moving object determining section. The image acquiring section has a mobile imaging system and acquires image frames sequentially obtained upon movement of the imaging system. The feature extracting section extracts features of the acquired image frames. The background feature detecting section detects a background feature from the features. The prediction parameter calculating section obtains prediction parameters for predicting a motion of the background region upon movement of the imaging system in accordance with a positional rela-tionship between the correlated background features.
The region estimating section estimates a region where features detected from image frames obtained by the mobile imaging system may have been present in an image frame of the immediately preceding frame by using the prediction parameters. The moving object determining section determines whether a feature corresponding to the given feature is present in the estimation region, thereby checking the presence/absence of the moving object.
CA002026290A 1989-09-27 1990-09-26 Moving object detecting system Expired - Fee Related CA2026290C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-249071 1989-09-27
JP1249071A JP2953712B2 (en) 1989-09-27 1989-09-27 Moving object detection device

Publications (2)

Publication Number Publication Date
CA2026290A1 true CA2026290A1 (en) 1991-03-28
CA2026290C CA2026290C (en) 1993-12-14

Family

ID=17187574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026290A Expired - Fee Related CA2026290C (en) 1989-09-27 1990-09-26 Moving object detecting system

Country Status (5)

Country Link
US (1) US5103305A (en)
EP (1) EP0420657B1 (en)
JP (1) JP2953712B2 (en)
CA (1) CA2026290C (en)
DE (1) DE69032146T2 (en)

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Also Published As

Publication number Publication date
DE69032146T2 (en) 1998-08-20
CA2026290C (en) 1993-12-14
DE69032146D1 (en) 1998-04-23
EP0420657B1 (en) 1998-03-18
JPH03111792A (en) 1991-05-13
JP2953712B2 (en) 1999-09-27
EP0420657A3 (en) 1993-12-22
US5103305A (en) 1992-04-07
EP0420657A2 (en) 1991-04-03

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