The effect on the adjacency and signless Laplacian spectral radii of uniform hypergraphs by grafting edges
Sign Up to like & getrecommendations! Published in 2021 at "Linear Algebra and its Applications"
DOI: 10.1016/j.laa.2020.10.011
Abstract: Abstract In this paper, we investigate how the adjacency spectral radius and signless Laplacian spectral radius behave when a connected uniform hypergraph is perturbed by grafting edges. We extend the classical theorem of Li and… read more here.
Keywords: signless laplacian; laplacian spectral; adjacency; spectral radii ... See more keywords
Removing segmentation inconsistencies with semi-supervised non-adjacency constraint
Sign Up to like & getrecommendations! Published in 2019 at "Medical image analysis"
DOI: 10.1016/j.media.2019.101551
Abstract: The advent of deep learning has pushed medical image analysis to new levels, rapidly replacing more traditional machine learning and computer vision pipelines. However segmenting and labelling anatomical regions remains challenging owing to appearance variations,… read more here.
Keywords: adjacency; semi supervised; segmentation inconsistencies; training ... See more keywords
Arc Adjacency Matrix-Based Fast Ellipse Detection
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Image Processing"
DOI: 10.1109/tip.2020.2967601
Abstract: Fast and accurate ellipse detection is critical in certain computer vision tasks. In this paper, we propose an arc adjacency matrix-based ellipse detection (AAMED) method to fulfill this requirement. At first, after segmenting the edges… read more here.
Keywords: matrix based; adjacency matrix; arc adjacency; adjacency ... See more keywords
Multiview Spectral Clustering With Bipartite Graph
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DOI: 10.1109/tip.2022.3171411
Abstract: Multi-view spectral clustering has become appealing due to its good performance in capturing the correlations among all views. However, on one hand, many existing methods usually require a quadratic or cubic complexity for graph construction… read more here.
Keywords: bipartite graph; graph; complementary information; spectral clustering ... See more keywords
Multisite Harmonization of Structural DTI Networks in Children: An A-CAP Study
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Neurology"
DOI: 10.3389/fneur.2022.850642
Abstract: The analysis of large, multisite neuroimaging datasets provides a promising means for robust characterization of brain networks that can reduce false positives and improve reproducibility. However, the use of different MRI scanners introduces variability to… read more here.
Keywords: topology; network; harmonization; harmonization structural ... See more keywords
Fully Parallel Homological Region Adjacency Graph via Frontier Recognition
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DOI: 10.3390/a16060284
Abstract: Relating image contours and regions and their attributes according to connectivity based on incidence or adjacency is a crucial task in numerous applications in the fields of image processing, computer vision and pattern recognition. In… read more here.
Keywords: recognition; fully parallel; graph; adjacency ... See more keywords
On Spectral Characterization of Two Classes of Unicycle Graphs
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14061213
Abstract: Let G be a graph with n vertices, let A(G) be an adjacency matrix of G and let PA(G,λ) be the characteristic polynomial of A(G). The adjacency spectrum of G consists of eigenvalues of A(G).… read more here.
Keywords: spectral characterization; unicycle graphs; adjacency spectrum; graph ... See more keywords