WO2007095160A3 - Smoke detection method and apparatus - Google Patents

Smoke detection method and apparatus Download PDF

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Publication number
WO2007095160A3
WO2007095160A3 PCT/US2007/003655 US2007003655W WO2007095160A3 WO 2007095160 A3 WO2007095160 A3 WO 2007095160A3 US 2007003655 W US2007003655 W US 2007003655W WO 2007095160 A3 WO2007095160 A3 WO 2007095160A3
Authority
WO
WIPO (PCT)
Prior art keywords
bitmaps
smoke
monitored area
areas
series
Prior art date
Application number
PCT/US2007/003655
Other languages
French (fr)
Other versions
WO2007095160A2 (en
Inventor
George Privalov
Original Assignee
Axonx L L C
George Privalov
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38255627&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2007095160(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Axonx L L C, George Privalov filed Critical Axonx L L C
Priority to EP07750488.4A priority Critical patent/EP1994502B2/en
Priority to DE602007009649T priority patent/DE602007009649D1/en
Priority to AT07750488T priority patent/ATE484039T1/en
Publication of WO2007095160A2 publication Critical patent/WO2007095160A2/en
Publication of WO2007095160A3 publication Critical patent/WO2007095160A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/254—Analysis of motion involving subtraction of images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Abstract

An apparatus for detecting smoke in a monitored area includes: (a) a means for capturing a series of successive video images of the monitored area as a series of two-dimensional bitmaps having a specified number of pixels, (b) a means for examining this series of bitmaps to identify areas in successive bitmaps of adjacent pixels that have the potential for being used as indicators for the existence of smoke in the monitored area, (c) a means for storing these identified areas from the bitmaps, (d) a means for associating, on the basis of the likelihood of the existence of smoke in the monitored area, the identified areas from successive bitmaps so as to form a cluster of overlapping regions within those bitmaps, and (d) a means for analyzing the identified areas so as to identify the temporal changes in these areas which are indicative of the presence of smoke.
PCT/US2007/003655 2006-02-13 2007-02-13 Smoke detection method and apparatus WO2007095160A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07750488.4A EP1994502B2 (en) 2006-02-13 2007-02-13 Smoke detection method and apparatus
DE602007009649T DE602007009649D1 (en) 2006-02-13 2007-02-13 METHOD AND DEVICE FOR SMOKE DETECTION
AT07750488T ATE484039T1 (en) 2006-02-13 2007-02-13 METHOD AND DEVICE FOR SMOKE DETECTION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/352,721 2006-02-13
US11/352,721 US7769204B2 (en) 2006-02-13 2006-02-13 Smoke detection method and apparatus

Publications (2)

Publication Number Publication Date
WO2007095160A2 WO2007095160A2 (en) 2007-08-23
WO2007095160A3 true WO2007095160A3 (en) 2008-11-20

Family

ID=38255627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/003655 WO2007095160A2 (en) 2006-02-13 2007-02-13 Smoke detection method and apparatus

Country Status (5)

Country Link
US (1) US7769204B2 (en)
EP (1) EP1994502B2 (en)
AT (1) ATE484039T1 (en)
DE (1) DE602007009649D1 (en)
WO (1) WO2007095160A2 (en)

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TWI385602B (en) * 2008-10-17 2013-02-11 Ind Tech Res Inst Smoke detecting method and system
CN101751745B (en) * 2008-12-16 2013-02-20 深圳富泰宏精密工业有限公司 Portable electronic device with smoke detection function and smoke detection method
US9140646B2 (en) 2012-04-29 2015-09-22 Valor Fire Safety, Llc Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction
US8947243B2 (en) 2012-04-29 2015-02-03 Valor Fire Safety, Llc Smoke detector with external sampling volume and utilizing internally reflected light
US8907802B2 (en) 2012-04-29 2014-12-09 Valor Fire Safety, Llc Smoke detector with external sampling volume and ambient light rejection
JP6139977B2 (en) * 2013-05-22 2017-05-31 ホーチキ株式会社 Fire detection device and fire detection method
JP6139982B2 (en) * 2013-05-24 2017-05-31 ホーチキ株式会社 Fire detection device and fire detection method
DE102013017395B3 (en) 2013-10-19 2014-12-11 IQ Wireless Entwicklungsges. für Systeme und Technologien der Telekommunikation mbH Method and device for automated early forest fire detection by means of optical detection of clouds of smoke
EP3063747B1 (en) 2013-10-30 2019-07-24 Valor Fire Safety, LLC Smoke detector with external sampling volume and ambient light rejection
JP6345931B2 (en) * 2013-12-27 2018-06-20 ホーチキ株式会社 Fire detection system and fire detection method
JP6317116B2 (en) * 2014-01-24 2018-04-25 ホーチキ株式会社 Fire detection system and fire detection method
GB2528195B (en) * 2015-09-17 2017-03-08 Micropack (Engineering) Ltd Flame detection in an image sequence
JP6718646B2 (en) * 2016-04-15 2020-07-08 ホーチキ株式会社 Fire detection device and fire detection method
WO2018116966A1 (en) * 2016-12-21 2018-06-28 ホーチキ株式会社 Fire monitoring system
US11188762B2 (en) * 2017-05-10 2021-11-30 Konica Minolta, Inc. Moving body risk assessment device, and moving body monitoring system
CN108334902A (en) * 2018-02-02 2018-07-27 北京华纵科技有限公司 A kind of track train equipment room smog fireproof monitoring method based on deep learning
GB2592463B (en) 2019-06-27 2023-05-17 Carrier Corp Spatial and temporal pattern analysis for integrated smoke detection and localization
EP4000052A1 (en) 2019-07-18 2022-05-25 Carrier Corporation Flame detection device and method
CN111652184B (en) * 2020-06-19 2023-06-20 成都通甲优博科技有限责任公司 Smoke identification method, device, storage medium and data processing equipment
CN112859652B (en) * 2021-01-20 2022-03-29 青岛海尔空调器有限总公司 Indoor smoking monitoring method and monitoring device

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Title
PRIVALOV G ET AL: "Machine vision delivers fire protection", VISION SYSTEMS DESIGN PENNWELL CORP USA, vol. 9, no. 3, March 2004 (2004-03-01), pages 31 - 35, XP009087166, ISSN: 1089-3709 *

Also Published As

Publication number Publication date
US7769204B2 (en) 2010-08-03
WO2007095160A2 (en) 2007-08-23
DE602007009649D1 (en) 2010-11-18
EP1994502A2 (en) 2008-11-26
US20070188336A1 (en) 2007-08-16
EP1994502B1 (en) 2010-10-06
ATE484039T1 (en) 2010-10-15
EP1994502B2 (en) 2019-09-25

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