Results 1 - 10
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4,323
Fit indices in covariance structure modeling: Sensitivity to underparameterized model misspecification
- Psychological Methods
, 1998
"... This study evaluated the sensitivity of maximum likelihood (ML)-, generalized least squares (GLS)-, and asymptotic distribution-free (ADF)-based fit indices to model misspecification, under conditions that varied sample size and distribution. The effect of violating assumptions of asymptotic robustn ..."
Abstract
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Cited by 543 (0 self)
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robustness theory also was ex-amined. Standardized root-mean-square residual (SRMR) was the most sensitive index to models with misspecified factor covariance(s), and Tucker-Lewis Index (1973; TLI), Bollen's fit index (1989; BL89), relative noncentrality index (RNI), comparative fit index (CFI
Real-Time Tracking of Non-Rigid Objects using Mean Shift
- IEEE CVPR 2000
, 2000
"... A new method for real-time tracking of non-rigid objects seen from a moving camera isproposed. The central computational module is based on the mean shift iterations and nds the most probable target position in the current frame. The dissimilarity between the target model (its color distribution) an ..."
Abstract
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Cited by 815 (19 self)
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A new method for real-time tracking of non-rigid objects seen from a moving camera isproposed. The central computational module is based on the mean shift iterations and nds the most probable target position in the current frame. The dissimilarity between the target model (its color distribution
Kernel-Based Object Tracking
, 2003
"... A new approach toward target representation and localization, the central component in visual tracking of non-rigid objects, is proposed. The feature histogram based target representations are regularized by spatial masking with an isotropic kernel. The masking induces spatially-smooth similarity fu ..."
Abstract
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Cited by 900 (4 self)
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A new approach toward target representation and localization, the central component in visual tracking of non-rigid objects, is proposed. The feature histogram based target representations are regularized by spatial masking with an isotropic kernel. The masking induces spatially-smooth similarity
Automatic Scene Structure and Camera Motion Using A Catadioptric System
, 2007
"... Fully automatic methods are presented for the estimation of scene structure and camera motion from an image sequence acquired by a catadioptric system. The first contribution is the design of bundle adjustments for both central and non-central models, by taking care of the smoothness of the minimize ..."
Abstract
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Cited by 17 (7 self)
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Fully automatic methods are presented for the estimation of scene structure and camera motion from an image sequence acquired by a catadioptric system. The first contribution is the design of bundle adjustments for both central and non-central models, by taking care of the smoothness
Making Non-Centralized a Model Predictive Control Scheme by Using Distributed Smith Dynamics?
"... (e-mail: {j.barreiro135, ge-oband, nquijano} @ uniandes.edu.co) Abstract: This paper proposes a non–centralized Model Predictive Control (MPC) scheme for a system comprised by several sub-systems. Operational constraints for each sub–system are considered as well as a single coupled constraint on th ..."
Abstract
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Cited by 1 (1 self)
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(e-mail: {j.barreiro135, ge-oband, nquijano} @ uniandes.edu.co) Abstract: This paper proposes a non–centralized Model Predictive Control (MPC) scheme for a system comprised by several sub-systems. Operational constraints for each sub–system are considered as well as a single coupled constraint
URBAN GENERAL EQUILIBRIUM MODELS WITH NON-CENTRAL PRODUCTION
"... The paper develops general equilibrium conditions for urban models with non-central production of a local "retail " commodity- The commodity is produced by workers who commute circumferentially to work and is purchased by consumers who make circumferential shopping trips. was suggested by ..."
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The paper develops general equilibrium conditions for urban models with non-central production of a local "retail " commodity- The commodity is produced by workers who commute circumferentially to work and is purchased by consumers who make circumferential shopping trips. was suggested
Autocalibration & 3D Reconstruction with Non-central Catadioptric Cameras
, 2004
"... We present a technique for modeling non-central catadioptric cameras consisting of perspective cameras and curved mirrors. The real catadioptric cameras have to be treated as non-central cameras, since they do not possess a single viewpoint. We present a method for solving the correspondence problem ..."
Abstract
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Cited by 42 (1 self)
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We present a technique for modeling non-central catadioptric cameras consisting of perspective cameras and curved mirrors. The real catadioptric cameras have to be treated as non-central cameras, since they do not possess a single viewpoint. We present a method for solving the correspondence
Spectrum Sharing for Unlicensed Bands
- in IEEE DySPAN 2005
, 2005
"... We study a spectrum sharing problem in an unlicensed band where multiple sys-tems coexist and interfere with each other. Due to asymmetries and selfish system behavior, unfair and inefficient situations may arise. We investigate whether efficiency and fairness can be obtained with self-enforcing spe ..."
Abstract
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Cited by 302 (4 self)
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-enforcing spectrum sharing rules. These rules have the advantage of not requiring a central authority that verifies compliance to the protocol. Any self-enforcing protocol must correspond to an equilibrium of a game. We first analyze the possible outcomes of a one shot game, and observe that in many cases
The Bits and Flops of the N-hop Multilateration Primitive For Node Localization Problems
, 2002
"... The recent advances in MEMS, embedded systems and wireless communication technologies are making the realization and deployment of networked wireless microsensors a tangible task. Vital to the success of wireless microsensor networks is the ability of microsensors to "collectively perform sensi ..."
Abstract
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Cited by 280 (2 self)
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hops away and distance measurements to neighboring nodes. To prevent error accumulation in the network, node locations are computed by setting up and solving a global non-linear optimization problem. The solution is presented in two computation models, centralized and a fully distributed approximation
Towards complete generic camera calibration
- In CVPR
, 2005
"... We consider the problem of calibrating a highly generic imaging model, that consists of a non-parametric association of a projection ray in 3D to every pixel in an image. Previous calibration approaches for this model do not seem to be directly applicable for cameras with large fields of view and no ..."
Abstract
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Cited by 28 (7 self)
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and non-central cameras. In this paper, we describe a complete calibration approach that should in principle be able to handle any camera that can be described by the generic imaging model. Initial calibration is performed using multiple images of overlapping calibration grids simultaneously
Results 1 - 10
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4,323