Textile carbon reinforcement structures with integrated optical fibre sensors designed for SHM applications (2017)
Presentation / Conference Contribution
Alwis, L. S. M., Bremer, K., Weigand, F., Kuhne, M., Helbig, R., & Roth, B. (2017, April). Textile carbon reinforcement structures with integrated optical fibre sensors designed for SHM applications. Presented at 25th International Conference on Optical Fiber Sensors, Jeju, South Korea

An optical fibre-based strain sensor “stitched” to a functionalised carbon structure (FCS) that can be used for structural health monitoring is introduced. The aim of the design is not only to monitor strain, but also to strengthen the structure. The... Read More about Textile carbon reinforcement structures with integrated optical fibre sensors designed for SHM applications.

Synthetic Prior Design for Real-Time Face Tracking (2016)
Presentation / Conference Contribution
McDonagh, S., Klaudiny, M., Bradley, D., Beeler, T., Matthews, I., & Mitchell, K. (2016, October). Synthetic Prior Design for Real-Time Face Tracking. Presented at 2016 Fourth International Conference on 3D Vision (3DV)

Real-time facial performance capture has recently been gaining popularity in virtual film production, driven by advances in machine learning, which allows for fast inference of facial geometry from video streams. These learning-based approaches are s... Read More about Synthetic Prior Design for Real-Time Face Tracking.

Optical Fibre Refractive Index Sensor in a Hybrid Fibre Grating Configuration (2015)
Presentation / Conference Contribution
Alwis, L., Sun, T., & T.V. Grattan, K. (2015, September). Optical Fibre Refractive Index Sensor in a Hybrid Fibre Grating Configuration. Presented at EuroSensors 2015, Freiburg, Germany

A temperature compensated Refractive Index (RI) sensor incorporating a Long Period Grating (LPG) and a Fibre Bragg Grating (FBG) in a series configuration has been developed and evaluated. The LPG was used as a RI sensor allowing it to respond to ext... Read More about Optical Fibre Refractive Index Sensor in a Hybrid Fibre Grating Configuration.

Analysis of Polyimide-Coated Optical Fiber Long-Period Grating-Based Relative Humidity Sensor (2013)
Journal Article
Alwis, L., Sun, T., & Grattan, K. T. V. (2013). Analysis of Polyimide-Coated Optical Fiber Long-Period Grating-Based Relative Humidity Sensor. IEEE Sensors Journal, 13, 767-771. https://doi.org/10.1109/JSEN.2012.2227714

A long-period grating (LPG)-based relative humidity (RH) sensor is developed, based on using a tailored layered polyimide coating on the grating region at the distal end of the fiber probe and allowing it to respond to humidity changes. The attenuati... Read More about Analysis of Polyimide-Coated Optical Fiber Long-Period Grating-Based Relative Humidity Sensor.

Analysis of the Characteristics of PVA-Coated LPG-Based Sensors to Coating Thickness and Changes in the External Refractive Index. (2013)
Journal Article
Alwis, L., Bremer, K., Sun, T., & Grattan, K. T. V. (2013). Analysis of the Characteristics of PVA-Coated LPG-Based Sensors to Coating Thickness and Changes in the External Refractive Index. IEEE Sensors Journal, 13, 1117-1124. https://doi.org/10.1109/JSEN.2012.2230534

Recent research has shown that the transmission spectrum of a long period grating (LPG) written into an optical fiber is sensitive to the thickness and the refractive index (RI) of a thin layer deposited on it, a concept which forms the basis of a nu... Read More about Analysis of the Characteristics of PVA-Coated LPG-Based Sensors to Coating Thickness and Changes in the External Refractive Index..

Design and performance evaluation of polyvinyl alcohol/polyimide coated optical fibre grating-based humidity sensors (2013)
Journal Article
Alwis, L., Sun, T., & Grattan, K. T. V. (2013). Design and performance evaluation of polyvinyl alcohol/polyimide coated optical fibre grating-based humidity sensors. Review of Scientific Instruments, 84(2), 25002. https://doi.org/10.1063/1.4789768

Optical fibre grating based sensors make a significant contribution to relative humidity measurement for various applications and a number of different designs and sensor configurations have been produced and discussed in the literature. Recent devel... Read More about Design and performance evaluation of polyvinyl alcohol/polyimide coated optical fibre grating-based humidity sensors.

Fibre optic long period grating-based humidity sensor probe using a Michelson interferometric arrangement. (2012)
Journal Article
Alwis, L., Sun, T., & Grattan, K. (2013). Fibre optic long period grating-based humidity sensor probe using a Michelson interferometric arrangement. Sensors and Actuators B: Chemical, 178, 694-699. https://doi.org/10.1016/j.snb.2012.11.062

Long period gratings (LPG)-based sensors are widely used due to their high sensitivity to a range of suitable measurands. However, a typical configuration involving a single grating-based LPG sensor system frequently has the disadvantage of the probe... Read More about Fibre optic long period grating-based humidity sensor probe using a Michelson interferometric arrangement..

Recognition of simple gestures using a PIR sensor array (2012)
Journal Article
Wojtczuk, P., Armitage, A., Binnie, D., & Chamberlain, T. (2012). Recognition of simple gestures using a PIR sensor array. Sensors & transducers, 14, 83-94

We present an approach that is intended for simple gesture control using a relatively inexpensive pyroelectric array detector. The detector is manufactured using standard wafer processing techniques. It consists of a 16 element passive infrared senso... Read More about Recognition of simple gestures using a PIR sensor array.

Strain Measurement on a Rail Bridge Loaded to Failure Using a Fiber Bragg Grating-Based Distributed Sensor System (2008)
Journal Article
Kerrouche, A., Leighton, J., Boyle, W. J. O., Gebremichael, Y. M., Sun, T., Grattan, K. T. V., & Taljsten, B. (2008). Strain Measurement on a Rail Bridge Loaded to Failure Using a Fiber Bragg Grating-Based Distributed Sensor System. IEEE Sensors Journal, 8(12), 2059-2065. https://doi.org/10.1109/jsen.2008.2006704

The paper reports results obtained from an unusual situation in structural monitoring - a "test-to-destruction," measuring strain using a series of fiber Bragg gratings (FBGs) sensors on a decommissioned concrete Railway Bridge in Ornskoldsvik, Swede... Read More about Strain Measurement on a Rail Bridge Loaded to Failure Using a Fiber Bragg Grating-Based Distributed Sensor System.

Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring (2008)
Journal Article
Kerrouche, A., Boyle, W., Gebremichael, Y., Sun, T., Grattan, K., Täljsten, B., & Bennitz, A. (2008). Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring. Sensors and Actuators A: Physical, 148(1), 68-74. https://doi.org/10.1016/j.sna.2008.07.014

The EU is in the process of upgrading the national railway networks to meet the demands from high-speed passenger trains and heavy Freight traffic. This upgrade necessitates a review of the development and implementation of novel technologies to repa... Read More about Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring.

Perception of Sign Language and its application to visual communications for deaf people. (2005)
Journal Article
Muir, L. J., & Richardson, I. E. G. (2005). Perception of Sign Language and its application to visual communications for deaf people. Journal of Deaf Studies and Deaf Education, 10, 390-401. https://doi.org/10.1093/deafed/eni037

Video communication systems for deaf people are limited in terms of quality and performance. Analysis of visual attention mechanisms for sign language may enable optimization of video coding systems for deaf users. Eye-movement tracking experiments w... Read More about Perception of Sign Language and its application to visual communications for deaf people..

Visual perception of content-prioritised sign language video quality. (2005)
Presentation / Conference Contribution
Muir, L. J., Richardson, I. E. G., & Hamilton, K. (2005, April). Visual perception of content-prioritised sign language video quality. Presented at The IEE International Conference on Visual Information Engineering (VIE 2005)

Video communication systems currently provide poor quality and performance for deaf people using sign language, particularly at low bit rates. Our previous work, involving eye movement tracking experiments and analysis of visual attention mechanisms... Read More about Visual perception of content-prioritised sign language video quality..

Video telephony for the deaf: analysis and development of an optimised video compression product. (2002)
Presentation / Conference Contribution
Muir, L. J., & Richardson, I. E. G. (2002, December). Video telephony for the deaf: analysis and development of an optimised video compression product. Presented at Tenth ACM international conference on Multimedia

The multimedia capability of video telephony and video conferencing systems has many applications and benefits. This paper describes research and development that aims to optimise video compression systems for a specific application - personal commun... Read More about Video telephony for the deaf: analysis and development of an optimised video compression product..

A scanned layer silicon retina. (1999)
Presentation / Conference Contribution
Binnie, D., & Moorhead, B. (1999, July). A scanned layer silicon retina. Paper presented at Seventh IEE Conference on Image Processing and Applications

Analysis of the linearly polarised nodes in elliptical-core fibre. (1994)
Journal Article
Hu, X., South, R., & Rutter, M. (1994). Analysis of the linearly polarised nodes in elliptical-core fibre. IEE proceedings. Optoelectronics, l4l, 356-362. https://doi.org/10.1049/ip-opt%3A19941552

The linearly polarised (LP) modes in elliptical-core fibre have been analysed theoretically. It was found that the electromagnetic fields of the LP modes in elliptical-core fibre can be expressed as a combination of Mathieu and modified Mathieu funct... Read More about Analysis of the linearly polarised nodes in elliptical-core fibre..

A distributed optical fibre sensing system using elliptical core fibre. (1994)
Presentation / Conference Contribution
Hu, X., South, R., & Rutter, M. (1994, August). A distributed optical fibre sensing system using elliptical core fibre. Presented at Conference on Lasers and Electro-Optics Europe

Theoretical analysis of the LP mode in e-core fibre. (1994)
Presentation / Conference Contribution
Hu, X., South, R., & Rutter, M. (1994, September). Theoretical analysis of the LP mode in e-core fibre. Presented at SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation

The LP mode in e-core fiber has been analyzed theoretically. It is found that the solution of the modal fields of e-core fiber is a combination of Mathieu and modified Mathieu functions. The modal eigenvalue equations are derived. The mode nondegener... Read More about Theoretical analysis of the LP mode in e-core fibre..

A cost effective Image sensor for transport applications. (1994)
Presentation / Conference Contribution
Wan, C., Dickinson, K., & Binnie, D. (1994, August). A cost effective Image sensor for transport applications. Presented at 7th Symposium on Transportation Systems

Development of a real time Image analysis system for traffic monitoring applications. (1993)
Presentation / Conference Contribution
Thompson, M. S., Wan, C. L., & Binnie, T. D. (2004, January). Development of a real time Image analysis system for traffic monitoring applications. Presented at Civil Comp. '93

Image processing offers unparalleled potential for traffic monitoring and control. For many years engineers have attempted to perfect the art of automatic data abstraction from sequences of video images. This paper outlines a research project underta... Read More about Development of a real time Image analysis system for traffic monitoring applications..