2011 IEEE Intelligent Vehicles Symposium (IV)最新文献

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Towards rain detection through use of in-vehicle multipurpose cameras 利用车载多用途摄影机探测雨水
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940484
A. Cord, D. Aubert
{"title":"Towards rain detection through use of in-vehicle multipurpose cameras","authors":"A. Cord, D. Aubert","doi":"10.1109/IVS.2011.5940484","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940484","url":null,"abstract":"Advanced Driver Assistance Systems (ADAS) based on video camera tends to be generalized in today's automotive. However, if most of these systems perform nicely in good weather conditions, they perform very poorly under adverse weather particularly under rain. We present a novel approach that aims at detecting raindrops on a car windshield using only images from an in-vehicle camera. Based on the photometric properties of raindrops, the algorithm relies on image processing technics to highlight raindrops. Its results can be further used for image restoration and vision enhancement and hence it is a valuable tool for ADAS.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116443143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Pedestrian detectability: Predicting human perception performance with machine vision 行人可探测性:用机器视觉预测人类感知性能
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940445
David Engel, Cristóbal Curio
{"title":"Pedestrian detectability: Predicting human perception performance with machine vision","authors":"David Engel, Cristóbal Curio","doi":"10.1109/IVS.2011.5940445","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940445","url":null,"abstract":"How likely is it that a driver notices a person standing on the side of the road? In this paper we introduce the concept of pedestrian detectability. It is a measure of how probable it is that a human observer perceives pedestrians in an image. We acquire a dataset of pedestrians with their associated detectabilities in a rapid detection experiment using images of street scenes. On this dataset we learn a regression function that allows us to predict human detectabilities from an optimized set of image and contextual features. We exploit this function to infer the optimal focus of attention for pedestrian detection. With this combination of human perception and machine vision we propose a method we deem useful for the optimization of Human-Machine-Interfaces in driver assistance systems.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131877907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Autonomous exploration of unknown terrain for groups of mobile robots 移动机器人群对未知地形的自主探索
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940455
Samuel Lopes, Brian Frisch, A. Boeing, K. Vinsen, T. Bräunl
{"title":"Autonomous exploration of unknown terrain for groups of mobile robots","authors":"Samuel Lopes, Brian Frisch, A. Boeing, K. Vinsen, T. Bräunl","doi":"10.1109/IVS.2011.5940455","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940455","url":null,"abstract":"This paper presents different approaches to fully autonomous exploration of unknown terrain for individual as well as groups of mobile robots. All algorithms have been tested on a simulation environment and verified on the real robot platform WAMbot, the West Australian entry for the MAGIC2010 robot challenge, based on Pioneer 3 AT robots, augmented by various sensor systems.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"75 24","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133749908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Large scale sign detection using HOG feature variants 基于HOG特征变体的大规模标志检测
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940549
G. Overett, L. Petersson
{"title":"Large scale sign detection using HOG feature variants","authors":"G. Overett, L. Petersson","doi":"10.1109/IVS.2011.5940549","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940549","url":null,"abstract":"In this paper we present two variant formulations of the well-known Histogram of Oriented Gradients (HOG) features and provide a comparison of these features on a large scale sign detection problem. The aim of this research is to find features capable of driving further improvements atop a preexisting detection framework used commercially to detect traffic signs on the scale of entire national road networks (1000's of kilometres of video). We assume the computationally efficient framework of a cascade of boosted weak classifiers. Rather than comparing features on the general problem of detection we compare their merits in the final stages of a cascaded detection problem where a feature's ability to reduce error is valued more highly than computational efficiency. Results show the benefit of the two new features on a New Zealand speed sign detection problem. We also note the importance of using non-sign training and validation instances taken from the same video data that contains the training and validation positives. This is attributed to the potential for the more powerful HOG features to overfit on specific local patterns which may be present in alternative video data.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132839430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 80
Generic grid mapping for road course estimation 用于道路航向估计的通用网格映射
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940514
M. Konrad, Magdalena Szczot, F. Schüle, K. Dietmayer
{"title":"Generic grid mapping for road course estimation","authors":"M. Konrad, Magdalena Szczot, F. Schüle, K. Dietmayer","doi":"10.1109/IVS.2011.5940514","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940514","url":null,"abstract":"This paper presents a generic grid mapping approach which can be used to map huge areas. A special map definition based on so called grid patches is proposed to limit memory usage and make it real time capable. The grid cells of this map can hold arbitrary data which is calculated based on arbitrary sensors. Here, methods for mapping occupancy likelihods based on laser scanner data, gray values calculated by an Inverse Perspective Mapping from video images and intensities from an imaging radar sensor are proposed. Furthermore, this contribution presents a road course estimation based on such a grid map which yields estimations above 120 m. Therefore, a digital road map (comparable to maps of GPS navigation systems) is matched to a laser scanner based grid map. In general, this approach is generic as well. Exemplarily, a method based on an occupancy grid map is presented.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133153068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Development and evaluation of a scheme for detecting multiple approaching vehicles through acoustic sensing 基于声传感的多车辆逼近检测方案的开发与评价
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940423
K. Asahi, Hideki Banno, Osami Yamamoto, A. Ogawa, K. Yamada
{"title":"Development and evaluation of a scheme for detecting multiple approaching vehicles through acoustic sensing","authors":"K. Asahi, Hideki Banno, Osami Yamamoto, A. Ogawa, K. Yamada","doi":"10.1109/IVS.2011.5940423","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940423","url":null,"abstract":"We propose a robust scheme for detecting vehicles approaching from several directions to prevent crossing collisions. The scheme consists of three sequential operations. The first operation computes cross-power spectrum phase (CSP) coefficients of sound signals from a microphone array; the second operation classifies the information obtained by the CSP coefficients into multiple ranges of directions so as to separate multiple approaching vehicles. The last one detects approaching vehicles through a threshold operation of the clustered information. In order to evaluate the performance of the scheme, we constructed a large-scale database based on the acoustic and related information concerned with approaching vehicles. Using the database, we show that the scheme is robust for detecting not only a single but also multiple approaching vehicles.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116585098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Common traffic congestion features studied in USA, UK, and Germany based on kerner's three-phase traffic theory 基于kerner的三阶段交通理论,研究了美国、英国和德国的常见交通拥堵特征
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940394
H. Rehborn, S. Klenov, J. Palmer
{"title":"Common traffic congestion features studied in USA, UK, and Germany based on kerner's three-phase traffic theory","authors":"H. Rehborn, S. Klenov, J. Palmer","doi":"10.1109/IVS.2011.5940394","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940394","url":null,"abstract":"Based on real traffic data measured on American, UK and German freeways, we study Kerner's common features of traffic congestion phases (synchronized flow and wide moving jam) relevant for many transportation engineering applications. General features of traffic congestion, i.e., features of traffic breakdown and of the further development of congested regions, are shown on freeways in the USA and UK beyond the previously known data examples. For the testing of Kerner's “line J”, representing the propagation of the wide moving jam's downstream front, four different methods are studied and compared for each congested traffic situation occurring in the three countries.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125821587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Eye detection for a real-time vehicle driver fatigue monitoring system 一种用于车辆驾驶员疲劳实时监测的眼睛检测系统
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940406
R. Coetzer, G. Hancke
{"title":"Eye detection for a real-time vehicle driver fatigue monitoring system","authors":"R. Coetzer, G. Hancke","doi":"10.1109/IVS.2011.5940406","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940406","url":null,"abstract":"With the vast amount of vehicles on roads worldwide on any given time of day, the severity of fatigue related accidents have become a major concern. The obvious solution to prevent or at least decrease fatigue related accidents, is to ensure that the driver rests frequently. However, the simple fact of the matter is that frequent resting periods cannot be effectively enforced, and as a result there is a need for a system to monitor the level of driver fatigue in real-time. The ultimate goal of this research is to develop a camera-based driver fatigue monitoring system, centered around the tracking of driver's eyes, since the eyes provide the most information with regards to fatigue. The most critical aspect of eye tracking is to first accurately detect the eyes, and although a number of eye trackers have already been illustrated in the literature, the process of eye detection has seldom been described in much detail. Given a number of possible eye candidate sub-images, eye detection is in essence the classification of these sub-images as either eyes or non-eyes. To the knowledge of the authors, different classification techniques have not been directly compared for the purpose of eye detection, and therefore the aim of this paper is to evaluate different classification techniques to determine which technique will be the most suitable for a driver fatigue monitoring system. The classification techniques that have been considered are artificial neural networks (ANN), support vector machines (SVM) and adaptive boosting (AdaBoost). Results have shown that AdaBoost will be the most suitable eye classification technique for a real-world driver fatigue monitoring system.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129284816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 67
Dynamic motion planning for autonomous vehicle in unknown environments 未知环境下自动驾驶汽车的动态运动规划
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940506
Pan Zhao, Jiajia Chen, Tao Mei, Huawei Liang
{"title":"Dynamic motion planning for autonomous vehicle in unknown environments","authors":"Pan Zhao, Jiajia Chen, Tao Mei, Huawei Liang","doi":"10.1109/IVS.2011.5940506","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940506","url":null,"abstract":"A dynamic motion planning approach for an autonomous vehicle navigated without GPS and unmanned driven in unknown environments is presented. The unknown environments bring several technology challenges, including high-speed operation, complex interaction with environment, parking in unstructured lots, and passing dynamic obstacles. In this approach, we combine the global path planning and the local path planning with a hierarchical structure. The exploration method to navigate in unknown environments is described in detail. An autonomous vehicle, Intelligent Pioneer, was developed to verify the dynamic motion planning approach. The Intelligent Pioneer showed good performances in dynamic motion planning and won the first prize of the 2010 Future Challenge of Intelligent Vehicles in China.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127726050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 51
Novel two-stage algorithm for non-parametric cast shadow recognition 一种新的两阶段非参数投影识别算法
2011 IEEE Intelligent Vehicles Symposium (IV) Pub Date : 2011-06-05 DOI: 10.1109/IVS.2011.5940560
Martin Roser, Philip Lenz
{"title":"Novel two-stage algorithm for non-parametric cast shadow recognition","authors":"Martin Roser, Philip Lenz","doi":"10.1109/IVS.2011.5940560","DOIUrl":"https://doi.org/10.1109/IVS.2011.5940560","url":null,"abstract":"Environment perception and scene understanding is an important issue for modern driver assistance systems. However, adverse weather situations and disadvantageous illumination conditions like cast shadows have a negative effect on the proper operation of these systems. In this paper, we propose a novel approach for cast shadow recognition in monoscopic color images. In a first step, shadow edge candidates are extracted evaluating binarized channels in the color-opponent and perceptually uniform CIE L*a*b* space. False detections are rejected in a second verification step, using SVM classification and a combination of meaningful color features. We introduce a non-parametric representation for complex shadow edge geometries that enables utilizing shadow edge information for improving downstream vision-based driver assistance systems. A quantitative evaluation of the classification performance as well as results on multiple real-world traffic scenes show a reliable cast shadow recognition with only a few false detections.","PeriodicalId":117811,"journal":{"name":"2011 IEEE Intelligent Vehicles Symposium (IV)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129698324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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