báo cáo hóa học: " Vision based interface system for hands free control of an intelligent wheelchair" ppt

... Central Page 1 of 17 (page number not for citation purposes) Journal of NeuroEngineering and Rehabilitation Open Access Research Vision based interface system for hands free control of an intelligent ... proposed -based method produced the best perform- ance with an average accuracy of 96.5%, while the face- based method had an accuracy of 87.5% and the...

Ngày tải lên: 19/06/2014, 08:20

... quadrilateral due to the curvature of the camera lenses and relative orientation of the camera and the TV screen plane. The transformation problem is addressed and transformation equations are derived ... [15,16]. Hough transform is also widely used as a tool in rectangle detection. Jung and Schramm [17] present an approach to rectangle detection based on windowed Hough transform. In...

Ngày tải lên: 20/06/2014, 04:20

... curves and J VT and proposed method for (a) Akiyo, (b) R-D curves and JVT and proposed method for Claire, (c) R-D curves and JVT and proposed method for Carphone and (d) R-D curves and JVT and proposed ... 40 to limit the number of bits of the initial I-frame. The PSNR, PSNR standard deviation and total number of skipped frames are used to evaluate the performance of the rate c...

Ngày tải lên: 20/06/2014, 22:20

... lexical semantic resources with question & answer archives for translation -based answer finding. In Proceedings of ACL, pages 728-736. P. F. Brown and V. J. D. Pietra and S. A. D. Pietra and R. ... archives. In Proceedings of WWW. D. Chiang. 2005. A hierarchical phrase -based model for statistical machine translation. In Proceedings of ACL. H. Duan and Y. Cao and C. Y. Lin and...

Ngày tải lên: 20/02/2014, 04:20

... a standard normal with zero mean and unit variance. Hence, at the 5% significance level, |z A | < 1.96 for a sta- tionary signal. For a step-by-step procedure for calculating the number of ... between the mean absolute deviation and the interquartile range of a signal. The mean absolute deviation, MAD, can be found by, where med(x) is the median of the signal. The interquar- ti...

Ngày tải lên: 19/06/2014, 10:20

... of -0.5 (poor synchrony). A suggestion of out -of- phase syn- chrony can be observed in the left and right panels, but this is not consistent (see middle panel). Journal of NeuroEngineering and ... touch of the index finger with rigid and flexible fila- ments. Exp Brain Res 2001, 139:454-464. 10. Kubo M, Wagenaar RC, Saltzman E, Holt KG: Biomechanical mechanism for transitions in p...

Ngày tải lên: 19/06/2014, 10:20

... immunocytochemical staining and cell counts and wrote the manuscript. DMC generated the figures, performed the statistical analyses, and assisted with the writing of the manuscript. SBC performed pre- liminary ... staining, numbers of melanized neurons, and the duration of PD. Results: Lewy bodies in both PD and DLB specimens stained for iC3b and C9. Staining was also prominent on mel...

Ngày tải lên: 19/06/2014, 22:20

... LTB 4 and LTE 4 as analytical standards and the labelled [ 2 H 4 ] LTB 4 and [ 2 H 4 ] PGE 2 as internal standards were purchased from Cayman Chemicals Company (Michigan, USA). All analytical standards ... PGE 2 was used for prostaglandins and 8-isopros- tane. For quantification, the peak area ratio of prostaglan- dins derivatives analytes to [ 2 H 4 ] PGE 2 and the peak area ratio...

Ngày tải lên: 20/06/2014, 00:20

... fillings and the amount of organic mercury in human saliva. Caries Res 2001, 35:163-166. 31. Yannai S, Berdicevsky I, Duek L: Transformations of inorganic mercury by Candida albicans and Saccharomyces ... responsible for detoxifying xenobiotics from the b ody, (iii) heme is a necessary cofactor for one of the complexes in the electron transport system of mitochondria and therefo...

Ngày tải lên: 20/06/2014, 00:20

... study is an attempt to standardize and evaluate the usefulness of SVC for the laboratory diagnosis of JE, WN and Den-2 encephalitis cases and to compare it with Indirect Immunofluorescence (IIF) technique that ... eastern Romania. Lancet 1998, 352:767-771. 22. Banerjee K: Epidemiology of JE in India. proceedings of the work- shop on Japanese encephalitis, 18–22 January,1988 Nation...

Ngày tải lên: 20/06/2014, 04:20