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Modeling Self-Occlusions in Dynamic Shape and Appearance Tracking
2013
2013 IEEE International Conference on Computer Vision
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In this work, we model self-occlusions and dis-occlusions in a joint shape and appearance tracking framework. ...
We present a method to track the precise shape of a dynamic object in video. ...
In this work, we model self-occlusions and disocclusions in tracking by joint shape/appearance matching. ...
doi:10.1109/iccv.2013.32
dblp:conf/iccv/YangS13
fatcat:p3y7yna5xfgafdhdhwovxmlgau
Modeling Self-Occlusions/Disocclusions in Dynamic Shape and Appearance Tracking for Obtaining Precise Shape
2013
unpublished
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Modeling Self-Occlusions/Disocclusions in Dynamic Shape and Appearance Tracking for Obtaining Precise Shape We present a method to determine the precise shape of a dynamic object from video. ...
The purpose of this thesis is to model self-occlusion/disocclusion phenomena in a joint shape and appearance tracking framework. ...
To our best knowledge, this is the first attempt to explicitly model self-occlusions and self-disocclusions in dynamic shape and appearance tracking framework. ...
fatcat:cnnijywsjjgrdg22u6vt5l33ai
Probabilistic people tracking with appearance models and occlusion classification: The AD-HOC system
2011
Pattern Recognition Letters
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The appearance-based approach allows the estimation of the pixel-wise shape of each tracked person even during the occlusion. ...
AD-HOC (Appearance Driven Human tracking with Occlusion Classification) is a complete framework for multiple people tracking in video surveillance applications in presence of large occlusions. ...
Terrorism and other Security-related Risks Programme European Commission -Directorate-General Justice, Freedom and Security. ...
doi:10.1016/j.patrec.2010.11.003
fatcat:rdkehri3kngkzoc7b7zgauy6da
Shape Tracking With Occlusions via Coarse-To-Fine Region-Based Sobolev Descent
[article]
2013
arXiv
pre-print
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In this work, we model self-occlusions and dis-occlusions in a joint shape and appearance tracking framework. ...
In cases of 3D object motion and viewpoint change, self-occlusions and dis-occlusions of the object are prominent, and current methods employing joint shape and appearance models are unable to adapt to ...
In this work, we model self-occlusions and dis-occlusions in tracking by joint shape/appearance matching. ...
arXiv:1208.4391v2
fatcat:5wuns3wiifenrmmhlae4zsw34y
A background layer model for object tracking through occlusion
2003
Proceedings Ninth IEEE International Conference on Computer Vision
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Together with the foreground ordering, the complete information necessary for reliably tracking objects through occlusion is included in our representation. ...
The background occluding layers lie in front of, behind, and in between foreground layers. ...
To handle object occlusion in motion analysis and tracking, an explicit generative occlusion boundary model was proposed in [3] . ...
doi:10.1109/iccv.2003.1238469
dblp:conf/iccv/ZhouT03
fatcat:xrhefvufj5e7lc7f4m6e2gbgb4
Accurate 3D Tracking of Rigid Objects with Occlusion Using Active Appearance Models
2005
2005 Seventh IEEE Workshops on Applications of Computer Vision (WACV/MOTION'05) - Volume 1
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Unlike most of the other appearance-based methods in the literature, such as [3, 5, 6, 9, 11] , our method allows for both partial and self occlusion of the objects. ...
In this paper we present a new method for tracking rigid objects using a modified version of the Active Appearance Model. ...
Review of Active Appearance Models In AAM, the appearance model of an object is defined by its shape and texture. ...
doi:10.1109/acvmot.2005.15
dblp:conf/wacv/MittrapiyanurukDK05
fatcat:ao7tgpbhrvdaxp5lpy3rkejjce
A Literature Review on Video Analytics of Crowded Scenes
[chapter]
2013
Intelligent Multimedia Surveillance
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The literature is divided into two broad categories: the macroscopic and the microscopic modelling approach. ...
The rationale of our review is justified by a recent increase in intelligent video surveillance algorithms capable of analysing automatically visual streams of very crowded and cluttered scenes, such as ...
According to the survey in [82] , occlusion can be classified into three categories: self-occlusion, which occurs while tracking articulated objects; inter-object occlusion (or dynamic occlu- [85] , ...
doi:10.1007/978-3-642-41512-8_2
fatcat:m45yawffhzgypcn6nsjicrvhkm
Human tracking using 3D surface colour distributions
2006
Image and Vision Computing
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In this formulation, the appearance, modelled using feature distributions defined over regions on the surface of an articulated 3D model, is estimated and propagated as part of the state. ...
A likelihood formulation for detailed human tracking in real world scenes is presented. ...
self-occlusion and enables changes in body part appearance due to rotation in depth to be handled explicitly. ...
doi:10.1016/j.imavis.2006.04.011
fatcat:fnfr7a4tjvby7ea43hnulizbgm
Multi-view Occlusion Reasoning for Probabilistic Silhouette-Based Dynamic Scene Reconstruction
2010
International Journal of Computer Vision
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In this paper, we present an algorithm to probabilistically estimate object shapes in a 3D dynamic scene using their silhouette information derived from multiple geometrically calibrated video camcorders ...
Our main contribution is to explicitly model the visual occlusion process and show: (1) static objects (such as trees or lamp posts), as parts of the pre-learned background model, can be automatically ...
We also gratefully acknowledge the support of David and Lucille Packard Foundation Fellowship and NSF Career award IIS-0237533. ...
doi:10.1007/s11263-010-0341-y
fatcat:jfz5segwiverne27ao7bzhwqo4
Tracking with Dynamic Hidden-State Shape Models
[chapter]
2008
Lecture Notes in Computer Science
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In this paper, we introduce Dynamic Hidden-State Shape Models (DHSSMs) to track and recognize the non-rigid motion of such objects, for example, human hands. ...
The method is robust to various illumination conditions, the presence of clutter, occlusions, and some types of self-occlusions. ...
This research was supported in part by NSF grants IIS-0705749 and IIS-0713229. ...
doi:10.1007/978-3-540-88682-2_49
fatcat:7zmapd5c3bdw3iiy3luzemftzi
DRIVER HEAD MOVEMENT ESTIMATOR ON ARM BIG.LITTLE PROCESSOR
2015
International Journal of Research in Engineering and Technology
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A distributed camera framework and the use of Constrained Local Model algorithm for head pose tracking is presented. The proposed approach monitors the driver head over wide range of movements. ...
In this paper a vision based algorithm is presented to estimate the driver head pose. ...
The 3-D model of a head illustrates the observed facial feature from a fixed camera perspective and the self-occlusion that was induced by large head movements. ...
doi:10.15623/ijret.2015.0426015
fatcat:2v726u43krb47amupvy52qf6ae
Active appearance models with occlusion
2006
Image and Vision Computing
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Active Appearance Models (AAMs) are generative parametric models that have been successfully used in the past to track faces in video. ...
In this paper we propose algorithms to construct AAMs from occluded training images and to track faces efficiently in videos containing occlusion. ...
An earlier version of this paper appeared in [12] . ...
doi:10.1016/j.imavis.2005.08.001
fatcat:g22eomiwjjfmff3ocunqdjsd2m
Robust Object Tracking in Crowd Dynamic Scenes Using Explicit Stereo Depth
[chapter]
2013
Lecture Notes in Computer Science
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In this paper, we exploit robust depth information with simple color-shape appearance model on single object tracking in crowd dynamic scenes. ...
Our main contribution is a novel tracking strategy to employ explicit stereo depth to track and segment object in crowd dynamic scenes with occlusion handling. ...
The sequences whose (E/S < 10%)/F > 70% is highlighted in red. most challenging factors in visual tracking: dynamic background, complete occlusion, fast movement, large variation in pose and scale, shape ...
doi:10.1007/978-3-642-37431-9_6
fatcat:vifpx36etbg2bo3qekn72feusq
Track-based and object-based occlusion for people tracking refinement in indoor surveillance
2004
Proceedings of the ACM 2nd international workshop on Video surveillance & sensor networks - VSSN '04
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In this work we provide a novel technique for object tracking, based on probabilistic masks and appearance models. ...
People tracking deals with problems of shape changes, selfocclusions and track occlusions due to other interfering tracks and fixed objects that hide parts of the people shape. ...
In this framework, people tracking must cope with problems of frequent shape changes, self occlusions, and other types of occlusions caused by moving objects (track-based occlusions), or fixed objects ...
doi:10.1145/1026799.1026814
fatcat:sqskuygvaran5kvreycmy2peri
Tracking Dynamic Near-Regular Texture Under Occlusion and Rapid Movements
[chapter]
2006
Lecture Notes in Computer Science
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and an image observation model that handles local geometry and appearance variations. ...
We present a dynamic near-regular texture (NRT) tracking algorithm nested in a lattice-based Markov-Random-Field (MRF) model of a 3D spatiotemporal space. ...
Collins for providing the crowd motion video and proofreading this paper; Jing Xiao, Jiayong Zhang, Chieh-Chih Wang and Sanjiv Kumar for their suggestions on our tracking algorithm; Jasmine Collins for ...
doi:10.1007/11744047_4
fatcat:5o6kfssdzvernd7x7gern3q6h4
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