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254
Efros. Unsupervised discovery of visual object class hierarchies
- In Proc. CVPR
, 2008
"... Objects in the world can be arranged into a hierarchy based on their semantic meaning (e.g. organism – animal – feline – cat). What about defining a hierarchy based on the visual appearance of objects? This paper investigates ways to automatically discover a hierarchical structure for the visual wor ..."
Abstract
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Cited by 83 (1 self)
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world from a collection of unlabeled images. Previous approaches for unsupervised object and scene discovery focused on partitioning the visual data into a set of nonoverlapping classes of equal granularity. In this work, we propose to group visual objects using a multi-layer hierarchy tree
Clock Hierarchies: An Abstraction for Grouping and Controlling Media Streams
, 1996
"... ion for Grouping and Controlling Media Streams Kurt Rothermel, Tobias Helbig University of Stuttgart, Institute of Parallel and Distributed High-Performance Systems (IPVR) Breitwiesenstraße 20-22, D-70565 Stuttgart, Germany {rothermel,helbig}@informatik.uni-stuttgart.de Abstract Synchronization pla ..."
Abstract
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Cited by 20 (9 self)
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plays an important role in multimedia systems at various levels of abstraction. In this paper, we propose a set of powerful abstractions for controlling and synchronizing continuous media streams in distributed environments. The proposed abstractions are based on a very general computation model, which
Selecting Best Employee of the Year Using Analytical Hierarchy Process
, 2015
"... ABSTRACT In the organization system, employee plays an important role in achieving the company goals. Motivating the employee by giving them a reward such as bonus, vacation and promotion that can optimize the productivity of each employee. In the selection of the best employee of the year, a model ..."
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model is developed by using Analytical Hierarchy Process (AHP) which uses both qualitative and quantitative decision making approaches. The developed model contains 4 levels of hierarchy which starting with the goal, 4 criteria and 22 sub-criteria, and finally the employee. The result is evaluated
COSMOLOGICAL MODELS OF MODIFIED GRAVITY
, 2013
"... The recent discovery of dark energy has prompted an investigation of ways in which the accelerated expansion of the universe can be realized. In this dissertation, we present two separate projects related to dark energy. The first project analyzes a class of braneworld models in which multiple brane ..."
Abstract
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. In particular, the Randall-Sundrum model is well-known for achieving an amelioration of the hierarchy problem. However, the basic model relies on Minkowski branes and is subject to solar system constraints in the absence of a radion stabilization mechanism. We present a method by which a four-dimensional low
22.10.2009 Implementation of a Peer-to-Peer Multiplayer Game with Realtime Requirements
"... Massively multiplayer online games (MMOGs) have become increasingly popular in the recent years, particularly in the form of online role-playing games (MMORPGs). These games support up to several ten thousand players interacting in a virtual game world. The current commercially successful games are ..."
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serious alternative. This work analyzes the implementation of both a client-server and a peer-to-peer networking model for the prototype shooter game Planet π4. Initially, a survey introduces recent academic approaches to peer-to-peer systems specifically designed for games. Of those, one system
N = 2 and N = 4 Supersymmetric mKdV and sinh-Gordon Hierarchies
, 2004
"... Integrable models with higher N = 2 and N = 4 supersymmetries are formulated on reductions of twisted loop superalgebras ̂ sl(2|2) and ̂ sl(4|4) endowed with principal gradation. In case of the ̂ sl(4|4) loop algebra a sequence of progressing reductions leads both to the N = 4 and N = 2 supersymmetr ..."
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Integrable models with higher N = 2 and N = 4 supersymmetries are formulated on reductions of twisted loop superalgebras ̂ sl(2|2) and ̂ sl(4|4) endowed with principal gradation. In case of the ̂ sl(4|4) loop algebra a sequence of progressing reductions leads both to the N = 4 and N = 2
ative Commons Attribution Non-Commercial No Derivatives licence. Researchers
"... I herewith certify that all material in this dissertation which is not my own work has been properly acknowledged. ..."
Abstract
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I herewith certify that all material in this dissertation which is not my own work has been properly acknowledged.
Abstract Cosmological Black Holes as Models of Cosmological Inhomogeneities
, 2006
"... Since cosmological black holes modify the density and pressure of the surrounding universe, and introduce heat conduction, they produce simple models of cosmologi-cal inhomogeneities that can be used to study the eect of inhomogeneities on the universe's expansion. In this thesis, new cosmologi ..."
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holes in asymptotically-
at universes, and by performing a conformal transformation on isotropic black hole spacetimes to obtain isotropic cosmological black hole spacetimes. The latter approach is found to produce cosmological black holes with energy-momentum tensors that are physical throughout
Results 1 - 10
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254
