Browsing School of Computer Science and Statistics by Author "Lacey, Gerard"
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A holistic approach to mobile robot navigation using omnidirectional vision
Winters, Niall (Trinity College (Dublin, Ireland). School of Computer Science & Statistics, 2002)This dissertation presents a novel methodology for vision-based robot navigation. One of the key observations is that navigation systems should be designed through a holistic approach, encompassing aspects of sensor design, ... -
An image analysis and machine learning approach to measuring the quality of individual colonoscopy procedures
Arnold, Mirko (Trinity College (Dublin, Ireland). School of Computer Science & Statistics, 2013)The measurement of quality in colonoscopy is an active topic in medical research. Studies report significant miss rates in the detection of colorectal lesions. This has raised the concern among gastroenterologists that the ... -
The Design and Implementation of Lego Volleyball Robots.
Lacey, Gerard; Cassidy, Derek (Trinity College Dublin, 1999)The aim of the LEGO robot project was to develop a team of robots to compete in a scaled down version of volleyball. The competition was held in Sheffield, as part of the British Association for Science Annual exhibition, ... -
Efficacy of a new educational tool to improve Handrubbing technique amongst healthcare workers: a controlled, before-after study.
Lacey, Gerard (2014)Introduction: Hand hygiene is a key component of infection control in healthcare. WHO recommends that healthcare workers perform six specific poses during each hand hygiene action. SureWash (Glanta Ltd, Dublin, Ireland) ... -
Experts vs. novices: applying eye-tracking methodologies in colonoscopy video screening for polyp search
Lacey, Gerard; Bernal, Jorge; Sánchez, Javier; Vilariño, Fernando; Arnold, Mirko; Ghosh, Anarta (ACM, 2014)We present in this paper a novel study aiming at identifying the differences in visual search patterns between physicians of diverse levels of expertise during the screening of colonoscopy videos. Physicians were clustered ... -
The impact of automatic video auditing with real-time feedback on the quality and quantity of handwash events in a hospital setting
Lacey, Gerard (2020)Background: Poor quality handwashing contributes to the spread of nosocomial infections. We investigate the impact of automatic video auditing (AVA) with feedback on the quality and quantity of handwashing in a hospital ... -
The Impact of Structured Incentives on the Adoption of a Serious Game for Hand Hygiene Training in a Hospital Setting.
Lacey, Gerard; Corr, Michael; Morrow, Helga; McQueen, Ann; Cameron, Fiona; Connolly, Chris (IOS Press, 2016)Hand hygiene is recognized by the CDC as the most effective method of preventing Hospital Acquired Infections (HAIs) which cost the US healthcare system $14 Billion. However, training and promotion of hand hygiene ... -
IRISH MACHINE VISION & IMAGE PROCESSING Conference proceedings 2015
Dahyot, Rozenn; Lacey, Gerard; Dawson-Howe, Kenneth; Pitie, Francois (Irish Pattern Recognition & Classification Society (ISBN 978-0-9934207-0-2), 2015) -
Measuring surgical knot tying with 3D vision and VR gloves
Lacey, Gerard; Ridgway, Paul; Bhattacharya, Jhilik (2019)One handed surgical knot tying is one of the core skills of surgeons. The development of this skill takes time and one-on-one expert supervision. Our motivation is to provide good quality automatic evaluation in order ... -
Method and system for recovery of 3D scene structure and camera motion from a video sequence
Lacey, Gerard; Yous, Sofiane; Redmond, Peter (USPTOUSPTO, 2015)An improved method and a system are disclosed for recovering a three-dimensional (3D) scene structure from a plurality of two-dimensional (2D) image frames obtained from imaging means. Sets of 2D features are extracted ... -
A multi-class SVM classifier ensemble for automatic hand washing quality assessment
Lacey, Gerard; LLorca, D.F.; Vilarino, F.; Zhou, Z. (2007)Hand washing is a critical activity in preventing the spread of infection in health-care environments. Several guidelines recommended a hand washing protocol consisting of six steps that ensure that all areas of the hands ... -
PAM-AID - A study in human-machine cooperative behaviour
MacNamara, Shane (Trinity College (Dublin, Ireland). School of Computer Science & Statistics, 2001)The research described in this thesis attempts to address the needs of a growing number of people with both a visual impairment and a mobility impairment. These people tend to live a very inactive lifestyle, often confined ... -
Training to Proficiency in the WHO Hand Hygiene Technique
Lacey, Gerard; Showstark, Mary; Van Rhee, James (2019)Objectives: Hand hygiene is critical to patient safety, but low performance in terms of the quantity and quality of hand hygiene is often reported. Training-to-proficiency is common for other clinical skills, but no ... -
VAMP – a vision based sensor network for health care hygiene
Lacey, Gerard (Springer, Berlin, Heidelberg, 2008)Adequate hand-washing has been shown to be a critical activity in preventing the transmission of infections such as MRSA in health-care environments. Hand-washing guidelines published by various health-care related ...