نتایج جستجو برای: driveway
تعداد نتایج: 96 فیلتر نتایج به سال:
INTRODUCTION Every year in the United States, thousands of young children are injured by passenger vehicles in driveways or parking areas. Little is known about risk factors, and incidence rates are difficult to estimate because ascertainment using police collision reports or media sources is incomplete. This study used surveillance at trauma centers to identify incidents and parent interviews ...
This chapter presents a multi-perspective vision-based analysis of the activities of vehicles and persons for the enhancement of situational awareness in surveillance. Multiple perspectives provide a useful invariant feature of the object in the image, i.e., the footage area on the ground. Moving objects are detected in the image domain, and the tracking results of the objects are represented i...
Previous analyses of car theft data from the British Crime Survey (BCS) have suggested that usual place of parking (e.g., in the street or in a garage) is related to risk of theft, even allowing for the fact that parking options vary with otherfactors (such as living in an inner city) that themselves affect risk. However, theft risks have been assessed for people usually parking in different lo...
Past research has found a non-linear relationship between traffic intensity or level of service (LOS) and highway crash rates. This paper investigates this relationship further by including the effects of site characteristics and estimating Poisson regression models for predicting single and multi-vehicle crashes separately. Analysis focuses on rural two-lane highways, with hourly LOS, traffic ...
Developing on-board automotive driver assistance systems aiming to alert drivers about driving environments, and possible collision with other vehicles has attracted a lot of attention lately. The ability to perceive, or sense, the surrounding environment is essential to driving and thus to the development of autonomous self-guided vehicles However, the time requirements of an autonomous vehicl...
Recent work has indicated that prior research is insufficient to support the ADA Accessibility Guidelines' (ADAAG) 2% maximum cross-slope requirement for sidewalks. In addition, the present ADAAG are inflexible in that they do not consider deviations from this maximum for short sections of sidewalk, such as at driveway crossings, which can be of significant concern for state and local departmen...
With climate change and inequities, this study assessed the willingness of affordable-housing middle-income residents to buy an electric vehicle (EV) if they had a charging station at their home, likelihood buying EV in 2 years, ideal charger locations, payment preferences for installation. The new Green Books revealed opportunities. Volunteers completed paper surveys Brookline, MA, affordable ...
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مسئله مسیریابی موجودی، یک مسئله حمل و نقل است که در آن تصمیمات مسیریابی و موجودی به طور همزمان در افق مشخصی گرفته می شود. هدف مسئله مسیریابی موجودی یافتن زمان تحویل کالا به مشتری، مقدار کالایی که باید به مشتری تحویل داده شود و مسیری است که خودروها باید بپیمایند، به طوری که مجموع هزینه های حمل و نقل حداقل شده و تقاضای مشتریان برآورده شود. در این نوشتار مدل مسیریابی موجودی با تقاضای خاکستری در ش...
Introduction: The problem. Levin (1993, ‘verb classes’), Levin and Rappaport Hovav (1995), Maienborn (1994), Talmy (1985, in his study of lexicalisation patterns), as well as many others, deal with the phenomenon of verbs that lexically do not provide a path slot but nevertheless combine with a path-PP. Most prominent examples of this effect can be found, in Levin’s (1993) classification, in th...
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