KR970066974A - Vehicle discrimination device and method of discriminating the vehicle type - Google Patents

Vehicle discrimination device and method of discriminating the vehicle type Download PDF

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Publication number
KR970066974A
KR970066974A KR1019960008385A KR19960008385A KR970066974A KR 970066974 A KR970066974 A KR 970066974A KR 1019960008385 A KR1019960008385 A KR 1019960008385A KR 19960008385 A KR19960008385 A KR 19960008385A KR 970066974 A KR970066974 A KR 970066974A
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South Korea
Prior art keywords
vehicle
pattern
unit
vehicle type
reference pattern
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KR1019960008385A
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Korean (ko)
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KR100186383B1 (en
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이정준
김용덕
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이종수
Lg 산전 주식회사
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Priority to KR1019960008385A priority Critical patent/KR100186383B1/en
Publication of KR970066974A publication Critical patent/KR970066974A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

본 발명의 차종판별장치는, 각종 차종에 대한 기준패턴을 저장해둔 기준패턴 저장부와, 상기 차량감지시 차량에 따라 발진되는 LC발진주파수를 일정단위로 샘플링하여 저장하기 위한 주파수 출렵 저장부와, 상기 주파수 출력 저장부에 저장된 주파수 출력을 정규화하기 위한 주파수 출력 정규화부와, 상기 주파수 출력 정규화 결과에 따라 입력차량패턴을 형성하는 입력차량패턴 생성부와, 상기 입력차량패턴과 기준패턴을 비교하여 유사패턴을 검출하기 위한 패턴 비교부 및 상기 패턴비교부의 비교결과에 따라 유사패턴의 차종 또는 기준패턴이 정의되지 않은 새로운 차종임을 출력하는 차종출력부를 포함하여 구성된 차종판별부를 구비함으로써, 패턴을 비교하는 간단한 방법으로 차길이와 관계없이 여러 종류의 차종을 보다 정밀하게 판별할 수 있으며, 또한 한개의 차종검지기만을 사용하면 되므로 차종판별장치의 가격을 감소시킬 수 있는 효과가 있다.The vehicle type discrimination apparatus of the present invention comprises: a reference pattern storage unit for storing reference patterns for various types of vehicles; a frequency tuning storage unit for sampling and storing LC oscillation frequencies, which are oscillated according to vehicles, A frequency output normalizing unit for normalizing the frequency output stored in the frequency output storage unit; an input vehicle pattern generating unit for forming an input vehicle pattern according to the frequency output normalization result; And a vehicle type output unit outputting a vehicle type output unit for outputting a pattern type comparing unit for detecting a pattern and a comparison result of the pattern comparing unit, Method, it is possible to discriminate different types of vehicles more precisely regardless of the car length. In addition, since only one vehicle type sensor can be used, the price of the vehicle type discrimination device can be reduced.

Description

차종판별장치 및 그의 차종판별방법Vehicle discrimination device and method of discriminating the vehicle type

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제5도는 본 발명에 의한 차종판별장치의 구성을 도시한 것이며, 제6도는 본 발명에 의한 차종판별장치 중 차종판별부와 상세구성을 도시한 것이며, 제7도는 본 발명의 차종판별장치의 각종 차종에 대한 기준패턴을 도시한 것이며, 제8도는 본 발명에 의한 차종판별장치의 차종판별방법을 도시한 것이다.FIG. 5 shows the construction of a vehicle discriminating apparatus according to the present invention, FIG. 6 shows a vehicle discriminating unit and a detailed structure of the vehicle discriminating apparatus according to the present invention, FIG. FIG. 8 shows a reference pattern for a vehicle type, and FIG. 8 shows a vehicle type discrimination method of the vehicle type discrimination apparatus according to the present invention.

Claims (7)

차종판별부에서 차량감지기를 통과하는 차량의 차종을 판별하는 차종판별장치에 있어서, 상기 차종판별부는 각종 차종에 대한 기준패턴을 저장해둔 기준패턴 저장부와, 상기 차량감지시 차량에 따라 발진되는 LC 발진주파수를 일정단위로 샘플링하여 저장하기 위한 주파수 출력 저장부와, 상기 주파수 출력 저장부에 저장된 주파수 출력을 정규화하기 위한 주파수 출력 정규화부와, 상기 주파수 출력 정규화 결과에 따라 입력차량패턴을 형성하는 입력차량패턴 생성부와, 상기 입력차량패턴과 기준패턴을 비교하여 유사패턴을 검출하기 위한 패턴 비교부 및 상기 패턴비교부의 비교결과에 따라 유사패턴의 차종 또는 기준패턴이 정의되지 않은 새로운 차종임을 출력하는 차종출력부를 포함하여 구성된 것을 특징으로 하는 차종판별장치.A vehicle type discriminating apparatus for discriminating a vehicle type of a vehicle passing through a vehicle sensor in a vehicle type discriminating unit, the vehicle type discriminating unit comprising: a reference pattern storage unit for storing a reference pattern for various types of vehicles; and an LC A frequency output storage unit for sampling and storing the oscillation frequency in a predetermined unit; a frequency output normalization unit for normalizing the frequency output stored in the frequency output storage unit; A pattern comparator for comparing the input vehicle pattern with a reference pattern to detect a similar pattern, and a pattern comparator for comparing the input vehicle pattern with a reference pattern, And a vehicle type output unit. 차량이 진입하면 차량감지기를 벗어날때까지 상기 차량에 따라 LC발진되는 주파수 변화를 샘플링하여 저장하는 제1과정과, 상기 저장된 샘플링 데이터를 이용하여 입력차량패턴을 형성하는 제2과정과, 상기 입력차량패턴을 미리 저장된 모든 기준패턴과 비교하여 차종을 판별하는 제3과정으로 이루어진 것을 특징으로 하는 차종판별장치의 차종판별방법.A first step of sampling and storing a frequency change of LC oscillation according to the vehicle until the vehicle leaves the vehicle sensor when the vehicle enters the vehicle; a second step of forming an input vehicle pattern using the stored sampling data; And a third step of comparing the pattern with all previously stored reference patterns to determine a model of the vehicle. 제2항에 있어서, 상기 제2과정은 상기 샘플링 데이터와 이차원 매트릭스의 비트맵과 겹쳐지는 부분을 검게 표시하여 비트맵 이미지를 형성하는 제2-1과정과, 상기 검게 표시된 부분을 1로 저장하고, 나머지 부분은 0으로 저장하는 제2-2과정으로 이루어진 것을 특징으로 하는 차종판별장치의 차종판별방법.[3] The method of claim 2, wherein the second step comprises: a step 2-1 of forming a bitmap image by blacking out a portion overlapping the bitmap of the two-dimensional matrix with the sampling data; And a second step of storing the remaining part as zero. 제2항에 있어서, 상기 기준패턴은 제2과정과 동일 과정을 거쳐 형성하는 것을 특징으로 하는 차종판별장치의 차종판별방법.3. The method according to claim 2, wherein the reference pattern is formed through the same process as the second process. 제2항에 있어서, 상기 제3과정은 기준패턴의 비트맵 이미지와 입력차량패턴의 비트맵 이미지를 비교하여 검게 표시된 부분이 겹쳐지는 갯수가 가장 많은 유사기준패턴을 검출하는 3-1과정과, 상기 3-1과정에서 입력 차량패턴과 유사기준패턴의 겹쳐지는 갯수가 설정값 이상이면 상기 유사기준패턴의 차종을 진입차량의 차종으로 판별하고, 설정값보다 작으면 기준패턴이 정의되지 않은 기타차종으로 판별하는 3-2과정으로 이루어진 것을 특징으로 하는 차종판별장치의 차종판별방법.3. The method of claim 2, wherein the third step includes a step 3-1 of comparing a bitmap image of the reference pattern with a bitmap image of the input vehicle pattern to detect a similar reference pattern having the largest number of overlapping black portions, If the number of overlapping of the input vehicle pattern and the similar reference pattern is equal to or greater than the set value in the step 3-1, the vehicle model of the similar reference pattern is discriminated as the vehicle model of the entering vehicle. If the number is less than the set value, And a step 3-2 of determining the vehicle type of the vehicle. 제5항에 있어서, 상기 설정값은 상기 유사기준패턴과 입력차량패턴의 겹쳐지는 갯수를 입력차량패턴의 검게표시된 부분의 개수로 나눈값임을 특징으로 하는 차종판별장치의 차종판별방법.The method as claimed in claim 5, wherein the set value is a value obtained by dividing the number of overlapping of the similar reference pattern and the input vehicle pattern by the number of black portions of the input vehicle pattern. 제5항에 있어서, 상기 설정값은 약 0.7임을 특징으로 하는 차종판별장치의 차종판별방법.The method as claimed in claim 5, wherein the set value is about 0.7. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960008385A 1996-03-26 1996-03-26 Apparatus and method for discriminating a car brand KR100186383B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100836943B1 (en) * 2006-09-22 2008-06-11 주식회사 이비 Apparatus for collecting a vehicle and traffic information and method therefor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101237876B1 (en) * 2011-05-09 2013-02-27 한국건설기술연구원 Methods and Systems which can classify vehicles class through the magnetic characteristic analysis of vehicles
KR101229028B1 (en) * 2011-05-12 2013-02-04 정철호 Sensor node having radar and method for detecting vehicle using sensor node
KR102295437B1 (en) * 2019-11-22 2021-08-30 대보정보통신(주) Apparatus for detecting vehicle having function of classifying vehicle type and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100836943B1 (en) * 2006-09-22 2008-06-11 주식회사 이비 Apparatus for collecting a vehicle and traffic information and method therefor

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