Brown University Theses and Dissertations

Brown University Library archives dissertations in accordance with the Brown Graduate School policy.

For dissertations published prior to 2008, please consult the following Dissertation LibGuide

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Items (1-10) out of 10 results

Bottom-Up Perceptual Organization of Images into Object Part Proposals Using Medial Visual Fragments: Application to Visual Recognition

Description:
Automatic recognition and segmentation of objects in images is a central open problem in computer vision. The failure of the segmentation-then-recognition paradigm to produce reliable …
Year:
2017
Contributor:
Narayanan, Maruthi (creator)
Kimia, Benjamin (Advisor)
Felzenszwalb, Pedro (Reader)
Taubin, Gabriel (Reader)
Brown University. School of Engineering (sponsor)
Genre:
theses
Subject:
Computer Vision
Shape
Visual Recognition
Collection:
Engineering
Theses and Dissertations
Full Record

Computer Assisted Carving: Synchronizing Digital and Physical Models

Description:
With the rise of computer-aided design and automated fabrication machines, many people bemoan the loss of “hands-on” crafts. This thesis is about assisting "hands-on" users …
Year:
2019
Contributor:
Hattab, Ammar Kamal Tawfiq (creator)
Taubin, Gabriel (Advisor)
Felzenszwalb, Pedro (Reader)
Tompkin, James (Reader)
Brown University. Engineering: Electrical Sciences and Computer Engineering (sponsor)
Genre:
theses
Subject:
3D scanning
Computer Vision
Personal Fabrication;
Computational Fabrication
Computer Assisted Carving
Spatial Augmented Reality
Collection:
Engineering
Electrical Sciences and Computer Engineering
Theses and Dissertations
Full Record

Differential Pose Estimation

Description:
The key problem in visual odometry is scale drift and noise in pairwise estimates. In this paper, we present a local geometric 3D curve model …
Year:
2019
Contributor:
Zhu, Ruizhao (creator)
Kimia, Benjamin (Advisor)
Brown University. Engineering: Electrical Sciences and Computer Engineering (sponsor)
Genre:
theses
Subject:
Computer Vision
Visual Odometry
Robotics
Collection:
Engineering
Electrical Sciences and Computer Engineering
Theses and Dissertations
Full Record

Graph-based Construction and Search of a Similarity Manifold

Description:
Many types of data observed in high dimensional spaces typically lie on or near low-dimensional manifolds and have much lower intrinsic dimension. Visual data captured …
Year:
2020
Contributor:
Sevilmis, Berk (creator)
Kimia, Benjamin (Advisor)
Felzenszwalb, Pedro (Reader)
Shakhnarovich, Greg (Reader)
Brown University. Engineering: Electrical Sciences and Computer Engineering (sponsor)
Genre:
theses
Subject:
Computer Vision
proximity graphs
graph based indexing and search
dense semantic correspondence
Collection:
Engineering
Electrical Sciences and Computer Engineering
Theses and Dissertations
Full Record

Light Fields and Synthetic Aperture Photography for Robotic Perception

Description:
Robotic perception often fails on reflective and transparent surfaces. We will describe a new method of passive RGB sensing which uses a calibrated camera located …
Year:
2019
Contributor:
Oberlin, John Gilmore (creator)
Tellex, Stefanie (Advisor)
Hughes, John (Reader)
Konidaris, George (Reader)
Brown University. Department of Computer Science (sponsor)
Genre:
theses
Subject:
Computer Vision
Robotics
light fields
synthetic aperture photography
Collection:
Computer Science
Theses and Dissertations
Full Record

Neural Mechanisms of Perceptual Grouping

Description:
Progress in deep feedforward neural networks has spawned great successes in many practical applications, but these models struggle to reproduce human-level generalization in tasks that …
Year:
2019
Contributor:
Kim, Junkyung (creator)
Serre, Thomas (Advisor)
Warren, William (Reader)
Bienenstock, Elie (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Machine Learning
Computer Vision
Neural networks (Computer science)
Computational neuroscience
Deep Learning
Perceptual grouping
Feedback (Psychology)
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Probabilistic Scene Grammars: A General-Purpose Framework For Scene Understanding

Description:
We propose a general-purpose probabilistic framework for scene understanding tasks. We show that several classical scene understanding tasks can be modeled and addressed under a …
Year:
2017
Contributor:
Chua, Jeroen (creator)
Felzenszwalb, Pedro (Advisor)
Geman, Stuart (Reader)
Sudderth, Erik (Reader)
Brown University. Department of Computer Science (sponsor)
Genre:
theses
Subject:
Machine Learning
Computer Vision
Collection:
Computer Science
Theses and Dissertations
Full Record

Scale-disstected Pose Estimation in Visual Odometry

Description:
Traditional visual odometry approaches often rely on estimating the world in the form a 3D cloud of points from keyframes, which are then projected onto …
Year:
2017
Contributor:
Yuan, Rong (creator)
Kimia, Benjamin (Advisor)
Brown University. Engineering: Electrical Sciences and Computer Engineering (sponsor)
Genre:
theses
Subject:
Computer Vision
Visual Odometry
Collection:
Engineering
Electrical Sciences and Computer Engineering
Theses and Dissertations
Full Record

Semantic Three-Dimensional Understanding of Dynamic Scenes

Description:
We develop new representations and algorithms for three-dimensional (3D) scene understanding from images and videos. To model cluttered indoor scenes, we introduce object descriptors that …
Year:
2018
Contributor:
Ren, Zhile (creator)
Sudderth, Erik (Advisor)
Felzenszwalb, Pedro (Reader)
Tompkin, James (Reader)
Brown University. Department of Computer Science (sponsor)
Genre:
theses
Subject:
Machine Learning
Computer Vision
Object Detection
Scene Understanding
Motion Estimation
Collection:
Computer Science
Theses and Dissertations
Full Record

Topological Contour Graph: A Mid-Level Representation Mediating Bottom-up Perception And Top-Down Model Inference

Description:
Computer vision problems can be generally divided into three categories: recognition, reconstruction and reorganization. Specifically, reorganization problem is usually considered as a mid-stage process that …
Year:
2018
Contributor:
Guo, Yuliang (creator)
Kimia, Benjamin (Advisor)
Serre, Thomas (Reader)
Taubin, Gabriel (Reader)
Brown University. Engineering: Electrical Sciences and Computer Engineering (sponsor)
Genre:
theses
Subject:
Computer Vision
Collection:
Engineering
Electrical Sciences and Computer Engineering
Theses and Dissertations
Full Record
  • 1

Items (1-10) out of 10 results