The present study is focused on the automatic identification and description of frozen similes in British and French novels written between the 19 century and the beginning of the 20 century. Two main patterns of frozen similes were considered: adjectival ground + simile marker + nominal vehicle (e.g. happy as a lark) and eventuality + simile marker + nominal vehicle (e.g. sleep like a top). Al...

Torque vectoring (TV) is one of the most promising technologies in vehicle dynamics control as it has the potential to provide distinctive benefits for mobility and agility of all-wheel drive ground vehicles. Especially in all-terrain driving, TV control can support both vehicle stability and driving efficiency. Within this context, the paper presents the state-of-the-art in TV control and intr...

Algorithms for ground vehicle classification using acoustic measurements often use features based on the relative amplitudes of harmonic components. The average power measured at each harmonic frequency fluctuates due to scattering of the acoustic waves during propagation and additive noise at the sensor. In this paper, we use propagation models for frequencydependent scattering of acoustic sig...

The detection of vehicles in aerial images is widely applied in many applications. Comparing with object detection in the ground view images, vehicle detection in aerial images remains a challenging problem because of small vehicle size, monotone appearance and the complex background. In this paper, we propose a novel double focal loss convolutional neural network framework (DFL-CNN). In the pr...

Determining the mass of a vehicle from ground-based passive sensor data is important for many traffic safety requirements. This work presents a method for calculating the mass of a vehicle using ground-based video and acoustic measurements. By assuming that no energy is lost in the conversion, the mass of a vehicle can be calculated from the rotational energy generated by the vehicle’s engine a...

l1is paper describes a method of stabilizing image sequences obtained by a camera carried by a ground vehicle. The motion of the vehicle can usually be regarded as consisting of a desired smooth motion combined with an undesired non-smooth motion that includes impulsive or high­ frequency components. The goal of the stabilization process is to correct the images so that they are approximately t...

PEDESTRIAN HEAD PROTECTION DURING CAR TO PEDESTRIANACCIDENTS: IN THE EVENT OF PRIMARY IMPACT WITH VEHICLEAND SECONDARY IMPACT WITH GROUNDbyVISHAL GUPTAMay 2014Advisor: Dr. King H. YangCo-advisor: Dr. Trilochan SinghMajor: Mechanical Engineering (Biomechanics)Degree: Doctor of PhilosophyCurrent regulations for assessing pedestrian safety use a simplified t...

A nonlinear least-squares (LS) method is formulated to estimate the speed and the closest-point-of-approach (CPA) time and range of a ground vehicle whose broadband acoustic energy emissions are received by a ground-based wideaperture planar acoustic sensor array of unknown shape. It is assumed that the vehicle travels at a constant speed in a straight line. The three estimated motion parameter...

The development of small, autonomous UAVs that can operate in complex environments as part of large coordinated groups will enable many new applications at fractions of the cost of current systems. A fleet of fixed-wing aircraft has been developed to create an intelligent aerial platform that has demonstrated various autonomous capabilities. By means of a downward-looking camera, a single aircr...

The United States Army began developing Unmanned Ground Vehicles (UGV) in the early 1900’s. Concurrently, researchers developed and enhanced passenger and commercial ground vehicles. Although significant progress has been made for improving vehicle mobility for all ground vehicles throughout the past century, mobility has lacked a concise mutually agreed definition and analytical standardized c...