We propose an automatic camera calibration algorithm for court sports. The obtained camera calibration parameters are required for applications that need to convert positions in the video frame to real-world coordinates or vice versa. Our algorithm uses the line markings of the court for calibration and it can be applied to a variety of different sports since the geometric model of the court ca...

In this paper, we propose a novel algorithm for player detection and tracking in tennis games. The algorithm utilizes court knowledge as well as player color and edge information to extract deformable player figures. Several new techniques are presented in our algorithm: initially, the court lines are detected and reconstructed. Based on the court model, an adaptive search window is designed fo...

PURPOSE To compare the criterion validity and accuracy of a 1 Hz non-differential global positioning system (GPS) and data logger device (DL) for the measurement of wheelchair tennis court movement variables. METHODS Initial validation of the DL device was performed. GPS and DL were fitted to the wheelchair and used to record distance (m) and speed (m/second) during (a) tennis field (b) linea...

1Wellcome Trust/Cancer Research UK Gurdon Institute of Cancer and Developmental Biology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK. 2The Laboratory for Lymphocyte Signaling and the Laboratory of Molecular Immunology, Howard Hughes Medical Institute, The Rockefeller University, 1230 York Avenue, New York, New York 10021, USA. 3Advanced Research Technology, Applied Biosys...

HEAT STRESS IN TENNIS In January 2014, the heat took over centre court and the rest of the grounds during the first week of the Australian Open in Melbourne. Following days of scorching hot weather and air temperatures nearing 43°C, play was suspended for several hours when the ‘Extreme Heat Policy’ was invoked. This entailed a stoppage in play, except that sets in progress had to carry on unti...

Petar O. Nikiforov,a Sachin Surade,b Michal Blaszczyk,b Vincent Delorme,c Priscille Brodin,c Alain R. Baulard,c Tom L. Blundell,b Chris Abella* a Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK b Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK c Inserm U1019 – CNRS UMR 8204, Institut Pasteur de Lille, Uni...

Marconi Soares Barbosa, Rinaldo Wander Montalvão, Tom Blundell and Luciano da Fontoura Costa Institute of Physics at São Carlos, University of São Paulo, São Carlos, SP, PO Box 369, 13560-970, Phone +55 16 3373 9858, FAX +55 162 71 3616, Brazil, [email protected] and Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, Phone +44 1223 333 628, FAX +44...

Gas exchange occurs in the alveolus where the thin laminar blood flow and inspired air are separated only by a thin tissue layer. Gas exchange takes 0.25 seconds or 1/3 of the total transit time of a red cell. The entire blood volume of the body passes through the lungs each minute in the resting state, that is 5 liters per minute. The total surface area of the lung is about 80 meters square, e...

Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 lQW, UK * Laboratoire de G&n&ique Moleculaire des Microorganismes et des Interactions Cel I ulai res, CNRS-UMR 5577, INSA Bat 406,20 Avenue Albert Einstein, 69621 Villeurbanne Cedex, France Erwinia carotovora has two Kdg R-li ke proteins belonging to the IclR family of transcriptional regulators : identificati...