KR970062995A - 이동체 검지방법 및 장치 - Google Patents

이동체 검지방법 및 장치 Download PDF

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Publication number
KR970062995A
KR970062995A KR1019960048267A KR19960048267A KR970062995A KR 970062995 A KR970062995 A KR 970062995A KR 1019960048267 A KR1019960048267 A KR 1019960048267A KR 19960048267 A KR19960048267 A KR 19960048267A KR 970062995 A KR970062995 A KR 970062995A
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South Korea
Prior art keywords
moving object
vehicle
detection
information obtained
presence information
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KR1019960048267A
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English (en)
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KR100224145B1 (ko
Inventor
가즈또시 요시까와
슈우이찌 스나하라
Original Assignee
와다 아끼히로
도요따지도샤 가부시끼가이샤
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Publication of KR970062995A publication Critical patent/KR970062995A/ko
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Publication of KR100224145B1 publication Critical patent/KR100224145B1/ko

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1473—Recognising objects as potential recognition candidates based on visual cues, e.g. shapes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Image Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Image Analysis (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

본 발명의 장치는 이동체의 오검지를 감소시킨다.
도로를 횡단하는 검지라인의 상방에 복수개의 헤드(14)를 병렬설치하여, 그의 출력을 A/D변환 및 2치화한 후에, 검지라인에 따라서 연결한다. 차량검지전처리부(26)가 얻어진 0/1 연결 데이터에 패딩(pading), 노이즈 제거, 폭 유지, Y자 방지, 딜레이, 최대폭체크등 차량검지전처리를 소정의 순서로 시행한다. 차량검지처리부(28)가 차량검지전처리후의 0/1 연결 데이터로부터 진입 차량, 계속 차량, 수정/삭제 차량등을 분리검지한다.

Description

이동체 검지방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시형태에 관한 시스템의 개요구성을 도시한 사시도.
제2도는 차량검지처리 컴퓨터의 기능구성을 도시한 블록도.

Claims (2)

  1. 소정의 라인상을 주사함으로써 당해 라인상의 복수의 위치에 있어서 이동체의 존부를 검지하는 단계와, 상기 검지에 의해 얻어진 이동체 존부정보를, 이동체의 형상적 특질, 이전의 주기에서 얻어진 이동체 존부정보, 또는 이동체의 형상적 특질 및 이전의 주기에서 얻어진 이동체 존부정보에 의거하여 정한 필터링특성으로 필터링하는 단계와, 상기 각 단계를 주기적으로 실행시키는 단계들을 갖는 것을 특정으로 하는 이동체 검지방법.
  2. 소정의 라인상을 주사함으로써 당해 라인상의 복수의 위치에 있어서 이동체의 존부를 주기적으로 검지하는 센서와, 어느 주기에서 상기 센서에 의해 얻어진 이동체 존부정보를, 이동체의 형상적 특질, 이전의 주기에서 센서로부터 얻어진 이동체 존부정보, 또는 이동체의 형상적 특질 및 이전의 주기에서 센서로부터 얻어진 이동체 존부정보에 의거하여 정한 필터링특성으로 필터링으로 수단을 구비하는 것을 특징으로 하는 이동체 검지장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960048267A 1996-02-08 1996-10-25 이동체 검지방법 및 장치 KR100224145B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02250496A JP3379324B2 (ja) 1996-02-08 1996-02-08 移動体検知方法及び装置
JP96-22504 1996-02-08

Publications (2)

Publication Number Publication Date
KR970062995A true KR970062995A (ko) 1997-09-12
KR100224145B1 KR100224145B1 (ko) 1999-10-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960048267A KR100224145B1 (ko) 1996-02-08 1996-10-25 이동체 검지방법 및 장치

Country Status (7)

Country Link
US (1) US6538579B1 (ko)
EP (1) EP0789342B1 (ko)
JP (1) JP3379324B2 (ko)
KR (1) KR100224145B1 (ko)
CN (1) CN1129060C (ko)
DE (1) DE69722982T2 (ko)
TW (1) TW331617B (ko)

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Also Published As

Publication number Publication date
DE69722982D1 (de) 2003-07-31
DE69722982T2 (de) 2004-05-19
US6538579B1 (en) 2003-03-25
EP0789342B1 (en) 2003-06-25
JP3379324B2 (ja) 2003-02-24
CN1165340A (zh) 1997-11-19
TW331617B (en) 1998-05-11
KR100224145B1 (ko) 1999-10-15
JPH09218996A (ja) 1997-08-19
EP0789342A1 (en) 1997-08-13
CN1129060C (zh) 2003-11-26

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