Global ETD Search

1	Wide-Area Egomotion Estimation from Known 3D Structure Koch, Olivier, Teller, Seth 09 January 2006 (has links) We describe an algorithm that takes as inputs a coarse3D model of an environment, and a video sequence acquiredwithin the environment, and produces as output an estimateof the cameraÂs 6-DOF egomotion expressed in the coordinatesof the 3D model. Our method has several novelaspects: it performs line-based structure-from-motion; italigns the local line constellation to the known model; andit uses off-line visibility analysis to dramatically acceleratethe alignment process.We present simulation results demonstrating themethodÂs operation in a multi-room environment. We showthat the method can estimate metric egomotion accuratelyand could be used for for many minutes of operation andthousands of video frames.
2	Tangram-base Problem Solving in Radical Constructivist Paradigm: High School Student-Teachers Conjectures Rahim, Medhat H., Siddo, Radcliffe, Issa, Moushira 20 March 2012 (has links) (PDF) No description available. Tangram 7-Teile-Tangram-Set Problemlösen Paradigma des radikalen Konstruktivismus Vermutungen anschauliche Geometrie kognitiver Konstruktivismus anschauliche Begründung Tangram 7-Pieces Tangram set Problem Solving Radical Constructivism Paradigm Conjectures Visual Geometry Cognitive Construction Visual Justification ddc:510 rvk:SD 2011
3	Tangram-base Problem Solving in Radical Constructivist Paradigm: High School Student-Teachers Conjectures Rahim, Medhat H., Siddo, Radcliffe, Issa, Moushira 20 March 2012 (has links) No description available. info:eu-repo/classification/ddc/510 ddc:510

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