M. Brackstone - Academia.edu (original) (raw)

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Papers by M. Brackstone

Proceedings of the IEEE Intelligent Vehicles Symposium 2000 (Cat. No.00TH8511), 2000

IEEE IV2003 Intelligent Vehicles Symposium. Proceedings (Cat. No.03TH8683), 2003

Ninth International Conference on Road Transport Information and Control, 1998

Proceedings of Conference on Intelligent Transportation Systems, 1997

Traffic And Transportation Studies (2002), 2002

Proceedings of the Intelligent Vehicles '94 Symposium, 1994

Abstract Developments have recently been made in increasing the quality of data available for the... more Abstract Developments have recently been made in increasing the quality of data available for the calibration of microscopic simulation models, and several techniques devised for high accuracy collection. Little consideration has been given however to the acceptability of the ...

Transportation Research Part C: Emerging Technologies, 2015

The 2nd International Workshop on Autonomous Decentralized System, 2002., 2002

Traffic congestion is forecasted to continue gowing. Simply building more roads is believed not a... more Traffic congestion is forecasted to continue gowing. Simply building more roads is believed not a solution. Many studies have been made to investigate the application of convoy driving or Automated Highway System (MIS) to release increasingly congested motorway, smooth motorway ...

Transportation Research Part F: Traffic Psychology and Behaviour, 1999

Proceedings of VNIS'94 - 1994 Vehicle Navigation and Information Systems Conference, 1994

ABSTRACT At higher levels of demand, the flow of traffic on motorways can become unstable with fl... more ABSTRACT At higher levels of demand, the flow of traffic on motorways can become unstable with flow breakdowns and an increase in accident risk. Improvements in capacity and stability may be achieved by modifying behaviour or control, and this process is the target of research into preventative IVHS measures. However, to understand the effects it is necessary to develop and use appropriate microscopic simulation models. To calibrate a microscopic simulation model, a large amount of checking should be performed to ensure that the model behaves correctly, at both a microscopic and a macroscopic scale. This procedure is not straightforward as microscopic data is complex to obtain and interpret, due to the diversity of the information required, and because many parameters used in model formulation are not directly related to easily observable quantities

Optical Interactions with Tissue and Cells XXIV, 2013

ABSTRACT Angular domain spectroscopic imaging (ADSI) is a hyperspectral imaging technology that c... more ABSTRACT Angular domain spectroscopic imaging (ADSI) is a hyperspectral imaging technology that combines both optical spectroscopy and optical imaging into a single platform. The technique employs an array of micro-channels to perform angular filtration, whereby quasi-ballistic photons traversing a turbid sample are accepted, and scattered photons (imagedegrading) are rejected. The aim of the work reported here was to evaluate the effectiveness of an ADSI system at identifying targets buried within tissue-mimicking phantoms. Principal component analysis (PCA) was applied to spectral data-cubes to extract the main spectral features from the images. Targets of various absorption levels (indocyanine green), depths beneath the phantom surface, and background scattering levels were evaluated. Principal components were analyzed with k-means clustering. The extracted features were grouped and classified. Then, the sensitivity and specificity of the ADSI system were estimated. Angular domain spectroscopic imaging with PCA provided clear separation of targets of different absorber concentration and depth. The results led us to conclude that the technique holds potential for characterizing tissue specimens obtained during surgery.