• 제목/요약/키워드: lane detection

검색결과 349건 처리시간 0.034초

역 원근 변환과 검색 영역 예측에 의한 실시간 차선 인식 (Real-Time Lane Detection Based on Inverse Perspective Transform and Search Range Prediction)

  • 정승권;김인수;김성한;이동활;윤강섭;이만형
    • 한국정밀공학회지
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    • 제18권3호
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    • pp.68-74
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    • 2001
  • A lane detection based on a road model or feature all needs correct acquirement of information on the lane in an image. It is inefficient to implement a lane detection algorithm through the full range of an image when it is applied to a real road in real time because of the calculating time. This paper defines two (other proper terms including"modes") for detecting lanes on a road. First is searching mode that is searching the lane without any prior information of a road. Second is recognition mode, which is able to reduce the size and change the position of a searching range by predicting the position of a lane through the acquired information in a previous frame. It allows to extract accurately and efficiently the edge candidate points of a lane without any unnecessary searching. By means of inverse perspective transform which removes the perspective effect on the edge candidate points, we transform the edge candidate information in the Image Coordinate System(ICS) into the plan-view image in the World Coordinate System(WCS). We define a linear approximation filter and remove faulty edge candidate points by using it. This paper aims at approximating more correctly the lane of an actual road by applying the least-mean square method with the fault-removed edge information for curve fitting.e fitting.

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The DLI-Based Image Processing Algorithm for Preceding Vehicle Detection

  • Hwang, Hee-Jung;Baek, Kwang-Ryul;Yi, Un-Kun
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 2004년도 ICCAS
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    • pp.1416-1418
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    • 2004
  • This paper proposes an image processing algorithm for detecting obstacles on road-lane using DLI(disparity of lane-related information) that is generated by stereo images acquired from dual cameras mounted on a moving vehicle. The DLI is a disparity that is acquired using single lane information from road lane detection. For the purpose to reduce processing time, we use small blocks obtained by edge-histogram based blocking logic. This algorithm detects moving objects such as preceding vehicles and obstacles. The proposed algorithm has been implemented in a personal computer with the road image data of a typical highway. We successfully performed experiments under a wide variety of road conditions without changing parameter values or adding human intervention. Experimental results also showed that the proposed DLI is quite successful.

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자율주행차량의 실시간 강건한 주행을 위한 연구 (Study on Robust Driving for Autonomous Vehicle in Real-Time)

  • 이대은;김정훈;김영배
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2004년도 추계학술대회 논문집
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    • pp.908-911
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    • 2004
  • In this paper, we describe a robust image processing algorithm to recognize the road lane in real-time. For the real-time processing, a detection area is decided by a lane segment of a previous frame and edges are detected on the basis of the lane width. For the robust driving, the global threshold with the Otsu algorithm is used to get a binary image in a frame. Therefore, reliable edges are obtained from the algorithms suggested in this paper in a short time. Lastly, the lane segment is found by hough transform. We made a RC(Radio Control) car equipped with a vision system and verified these algorithms using the RC Car.

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에지와 수평 투영을 이용한 차선 및 장애물 검출 (Lane & Obstacle Detection using Edge and Horizontal Projection)

  • 장언동;송영준;김영길;김동우
    • 한국콘텐츠학회:학술대회논문집
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    • 한국콘텐츠학회 2004년도 추계 종합학술대회 논문집
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    • pp.453-456
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    • 2004
  • 본 논문은 에지와 수평 투영을 이용하여 차선 및 장애물을 검출하는 기법을 제안한다. 제안방법은 칼라 입력 영상을 그레이 영상으로 바꾼 후, 소벨 변환을 통하여 에지를 검출한다. 에지를 이용하여 차선을 검출 한 후 차선의 영역 내에서 수평 투영을 하여 장애물을 검출한다. 실험 결과, 조명의 변화가 심하지 않은 장소에서 차선과 장애물의 검출이 용이함을 확인할 수 있었다.

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Lane Detection Techniques - A survey

  • Hoang, Toan Minh;Hong, Hyung Gil;Vokhidov, Husan;Kang, JinKyu;Park, Kang Ryoung;Cho, Hyeong Oh
    • 한국정보처리학회:학술대회논문집
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    • 한국정보처리학회 2015년도 추계학술발표대회
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    • pp.1411-1412
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    • 2015
  • Detection of road lanes is an important technology, which is being used in autonomous vehicles from last few years. This method is very helpful and supportive for the drivers to provide them safety and to avoid road accidents. Alot of methods are being used to detect road lane markings. We can categorize them into three major categories: sensor-based, feature-based, and model-based methods. And in this study we give the comprehensive survey on lane marking techniques.

CIEL * C * h를 이용한 조도변화에 강인한 차선 인식 연구 (Illumination-Robust Lane Detection Algorithm using CIEL *C*h)

  • 호세;조윤지;손광훈
    • 한국정보처리학회:학술대회논문집
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    • 한국정보처리학회 2017년도 추계학술발표대회
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    • pp.891-894
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    • 2017
  • Lane detection algorithms became a key factor of advance driver assistance system (ADAS), since the rapidly increasing of high-technology in vehicles. However, one common problem of these algorithms is their performance's instability under various illumination conditions. We recognize a feasible complementation between image processing and color science to address the problem of lane marks detection on the road with different lighting conditions. We proposed a novel lane detection algorithm using the attributes of a uniform color space such as $CIEL^*C^*h$ with the implementation of image processing techniques, that lead to positive results. We applied at the final stage Clustering to make more accurate our lane mark estimation. The experimental results show the effectiveness of our method with detection rate of 91.80%. Moreover, the algorithm performs satisfactory with changes in illumination due to our process with lightness ($L^*$) and the color's property on $CIEL^*C^*h$.

Sharpness-aware Evaluation Methodology for Haze-removal Processing in Automotive Systems

  • Hwang, Seokha;Lee, Youngjoo
    • IEIE Transactions on Smart Processing and Computing
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    • 제5권6호
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    • pp.390-394
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    • 2016
  • This paper presents a new comparison method for haze-removal algorithms in next-generation automotive systems. Compared to previous peak signal-to-noise ratio-based comparisons, which measure similarity, the proposed modulation transfer function-based method checks sharpness to select a more suitable haze-removal algorithm for lane detection. Among the practical filtering schemes used for a haze-removal algorithm, experimental results show that Gaussian filtering effectively preserves the sharpness of road images, enhancing lane detection accuracy.

차선인식을 위한 무인자동차의 차량제어 및 모델링에 관한 연구 (Research of the Unmanned Vehicle Control and Modeling for Lane Tracking)

  • 김상겸;임하영;김정하
    • 한국자동차공학회논문집
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    • 제11권6호
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    • pp.213-221
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    • 2003
  • This paper describes a method of lane tracking by means of a vision system which includes vehicle control and modeling. Lane tracking is considered one of the important technologies in an unmanned vehicle and mobile robot system. The current position and condition of the vehicle are calculated from an image processing method by a CCD camera. We deal with lane tracking as follows. First, vehicle control is included in the road model, and lateral and longitudinal controls. Second, the image processing method deals with the lane detection method, image processing algerian, and filtering method. Finally, this paper proposes a correct method for lane detection through a vehicle test by wireless data communication.

LED 가로등의 각도를 이용한 광카메라통신기반 횡방향 차량 위치추정 기법 (Optical Camera Communication Based Lateral Vehicle Position Estimation Scheme Using Angle of LED Street Lights)

  • 전희진;윤수근;김병욱;정성윤
    • 전기학회논문지
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    • 제66권9호
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    • pp.1416-1423
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    • 2017
  • Lane detection technology is one of the most important issues on car safety and self-driving capability of autonomous vehicle. This paper introduces an accurate lane detection scheme based on OCC(Optical Camera Communication) for moving vehicles. For lane detection of moving vehicles, the streetlights and the front camera of the vehicle were used for a transmitter and a receiver, respectively. Based on the angle information of multiple streetlights in a captured image, the distance from sidewalk can be calculated using non-linear regression analysis. Simulation results show that the proposed scheme shows robust performance of accurate lane detection.

스마트 내비게이션을 위한 TPLF 기반 다중차선 검출 기법 (Multi-lane Detection using TPLF for Smart Navigation)

  • 김성호;권순
    • 한국정보통신학회:학술대회논문집
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    • 한국정보통신학회 2014년도 춘계학술대회
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    • pp.896-897
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    • 2014
  • 스마트 내비게이션을 위해 차량의 차선 위치를 인식할 필요가 있다. 본 논문에서는 이를 위한 선행 연구로 다중차선 검출 기법을 제안한다. 기존 Box filter, Step filter가 클러터에 취약한 부분을 보완하기 위해 Three Point Laplacian Filter (TPLF)를 제안하고 실험적으로 그 가능성을 검증한다.

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