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Address: Wakefield, Wakefield, United Kingdom

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Papers by teddy walker

Research paper thumbnail of A survey on behavior analysis in video surveillance for homeland security applications

... Secondly, characteristic motion patterns are learned by eg clustering these trajectories into... more ... Secondly, characteristic motion patterns are learned by eg clustering these trajectories into prototype curves. ... Human behavior recognition is based on successfully tracking the human subject through image sequences, and is considered a high-level vision task. ...

Research paper thumbnail of Relational Aggression and Friendship During Early Childhood: "I Won't Be Your Friend

Early Education and Development, 2005

Associations between relational aggression and mutual, dyadic friendships during early childhood ... more Associations between relational aggression and mutual, dyadic friendships during early childhood were assessed in the context of a year-long, short-term longitudinal study. Children's mutual friendships were determined via sociometric ratings and their relationally aggressive behavior among peers was assessed via naturalistic, free play observations. Generally, children who were more relationally aggressive had more mutual friends, although this relation differed by gender and time of assessment. Future work should include measures of friendship quality and investigate the role of relational aggression within friendship dyads. Support for this project was provided by NSF (BCS-012651) and NIMH (MH-01-002) grants to Dr. Nicki R. Crick, the Lois Cram Babcock Scholarship in support of the first author, and an NIMH traineeship (MH-15755) to the Institute of Child Development in support of the second author. We thank Alison Eudeikis, Peter Ralston, and many undergraduate research assistants for their invaluable support with this project. We are also grateful to the directors, teachers, and families who participated in the Preschool PALS Project. We thank Samantha Senich for her assistance with coding and her comments on an earlier version of this manuscript. We also acknowledge Dr. Susanne Denham and the 3 anonymous reviewers for their helpful comments and suggestions.

Research paper thumbnail of COAMPS Real-Time Dust Storm Forecasting during Operation Iraqi Freedom

Weather and Forecasting, 2007

Abstract Dust storms are a significant weather phenomenon in the Iraq region in winter and spring... more Abstract Dust storms are a significant weather phenomenon in the Iraq region in winter and spring. Real-time dust forecasting using the US Navy's Coupled Ocean-Atmospheric Mesoscale Prediction System (COAMPS) with an in-line dust aerosol model was ...

Research paper thumbnail of A survey on behavior analysis in video surveillance for homeland security applications

... Secondly, characteristic motion patterns are learned by eg clustering these trajectories into... more ... Secondly, characteristic motion patterns are learned by eg clustering these trajectories into prototype curves. ... Human behavior recognition is based on successfully tracking the human subject through image sequences, and is considered a high-level vision task. ...

Research paper thumbnail of Relational Aggression and Friendship During Early Childhood: "I Won't Be Your Friend

Early Education and Development, 2005

Associations between relational aggression and mutual, dyadic friendships during early childhood ... more Associations between relational aggression and mutual, dyadic friendships during early childhood were assessed in the context of a year-long, short-term longitudinal study. Children's mutual friendships were determined via sociometric ratings and their relationally aggressive behavior among peers was assessed via naturalistic, free play observations. Generally, children who were more relationally aggressive had more mutual friends, although this relation differed by gender and time of assessment. Future work should include measures of friendship quality and investigate the role of relational aggression within friendship dyads. Support for this project was provided by NSF (BCS-012651) and NIMH (MH-01-002) grants to Dr. Nicki R. Crick, the Lois Cram Babcock Scholarship in support of the first author, and an NIMH traineeship (MH-15755) to the Institute of Child Development in support of the second author. We thank Alison Eudeikis, Peter Ralston, and many undergraduate research assistants for their invaluable support with this project. We are also grateful to the directors, teachers, and families who participated in the Preschool PALS Project. We thank Samantha Senich for her assistance with coding and her comments on an earlier version of this manuscript. We also acknowledge Dr. Susanne Denham and the 3 anonymous reviewers for their helpful comments and suggestions.

Research paper thumbnail of COAMPS Real-Time Dust Storm Forecasting during Operation Iraqi Freedom

Weather and Forecasting, 2007

Abstract Dust storms are a significant weather phenomenon in the Iraq region in winter and spring... more Abstract Dust storms are a significant weather phenomenon in the Iraq region in winter and spring. Real-time dust forecasting using the US Navy's Coupled Ocean-Atmospheric Mesoscale Prediction System (COAMPS) with an in-line dust aerosol model was ...

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