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Renee T. Meinhold

dblp:192/1810 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2018
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1Graphics, computer vision, multimedia, augmented reality and games · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Image and video processing · 100%
Theoretical computer science
1 paper
Graph algorithms and graph theory · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Image and video processing › image segmentation
graph-based segmentation
0.312018
Compassionately Conservative Balanced Cuts for Image Segmentation · CVPR 2018
Image and video processing
image segmentation
0.312018
Compassionately Conservative Balanced Cuts for Image Segmentation · CVPR 2018
Graph algorithms and graph theory
graph partitioning
0.112018
Compassionately Conservative Balanced Cuts for Image Segmentation · CVPR 2018

Methods — techniques the papers use, named apart from their topics

reweighted rayleigh quotient minimization · 0.7piecewise flat embedding · 0.7normalized cut · 0.7
YearPublicationVenuePosition
2018 Compassionately Conservative Balanced Cuts for Image Segmentation
abstract
The Normalized Cut (NCut) objective function, widely used in data clustering and image segmentation, quantifies the cost of graph partitioning in a way that biases clusters or segments that are balanced towards having lower values than unbalanced partitionings. However, this bias is so strong that it avoids any singleton partitions, even when vertices are very weakly connected to the rest of the graph. Motivated by the Bühler-Hein family of balanced cut costs, we propose the family of Compassionately Conservative Balanced (CCB) Cut costs, which are indexed by a parameter that can be used to strike a compromise between the desire to avoid too many singleton partitions and the notion that all partitions should be balanced. We show that CCB-Cut minimization can be relaxed into an orthogonally constrained lt-minimization problem that coincides with the problem of computing Piecewise Flat Embeddings (PFE) for one particular index value, and we present an algorithm for solving the relaxed problem by iteratively minimizing a sequence of reweighted Rayleigh quotients (IRRQ). Using images from the BSDS500 database, we show that image segmentation based on CCB-Cut minimization provides better accuracy with respect to ground truth and greater variability in region size than NCut-based image segmentation.
Nathan D. Cahill, Tyler L. Hayes, Renee T. Meinhold, John F. Hamilton
CVPR3