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Approximate convex decomposition aims to decompose a 3D shape into a set of almost convex components, whose convex hulls can then be used to represent the input shape. It thus enables efficient geometry processing algorithms specifically…

Graphics · Computer Science 2022-05-09 Xinyue Wei , Minghua Liu , Zhan Ling , Hao Su

Prior works have proposed several strategies to reduce the computational cost of self-attention mechanism. Many of these works consider decomposing the self-attention procedure into regional and local feature extraction procedures that each…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Ting Yao , Yehao Li , Yingwei Pan , Yu Wang , Xiao-Ping Zhang , Tao Mei

Hepatitis C virus helicase is a molecular motor that splits nucleic acid duplex structures during viral replication, therefore representing a promising target for antiviral treatment. Hence, a detailed understanding of the mechanism by…

Biomolecules · Quantitative Biology 2013-11-27 Holger Flechsig

This paper explores convolutional generative networks as an alternative to iterative reconstruction algorithms in medical image reconstruction. The task of medical image reconstruction involves mapping of projection main data collected from…

Medical Physics · Physics 2020-12-04 V. S. S. Kandarpa , Alexandre Bousse , Didier Benoit , Dimitris Visvikis

Convolutional neural network (CNN) based methods have achieved great successes in medical image segmentation, but their capability to learn global representations is still limited due to using small effective receptive fields of convolution…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Pengfei Gu , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Convexity is a fundamental geometric prior that underlies many natural and man-made structures, yet remains challenging to impose effectively in end-to-end trainable segmentation networks. We revisit convexity from a functional perspective…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Shengzhe Chen , Hao Yan

Quantitative cancer image analysis relies on the accurate delineation of tumours, a very specialised and time-consuming task. For this reason, methods for automated segmentation of tumours in medical imaging have been extensively developed…

Image and Video Processing · Electrical Eng. & Systems 2022-12-07 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Rotational symmetry is a defining feature of many tomography systems, including computed tomography (CT) and emission computed tomography (ECT), where detectors are arranged in a circular or periodically rotating configuration. This study…

Medical Physics · Physics 2025-02-05 Yaogong Zhang , Fang-Fang Yin , Lei Zhang

Double-strand breaks (DSBs) in DNA are naturally occurring destructive events in all organisms that may lead to genome instability. Cells employ various repair methods known as non-homologous end joining (NHEJ), microhomology mediated end…

Similarity join--a widely used operation in data science--finds all pairs of items that have distance smaller than a threshold. Prior work has explored distributed computation methods to scale similarity join to large data volumes but these…

Databases · Computer Science 2025-10-13 Yanqi Chen , Xiao Yan , Alexandra Meliou , Eric Lo

The diffusion of minimally invasive, endovascular interventions motivates the development of visualization methods for complex vascular networks. We propose a planar representation of blood vessel trees which preserves the properties that…

Image and Video Processing · Electrical Eng. & Systems 2025-10-23 Guillaume Houry , Tom Boeken , Stéphanie Allassonnière , Jean Feydy

We present InvVis, a new approach for invertible visualization, which is reconstructing or further modifying a visualization from an image. InvVis allows the embedding of a significant amount of data, such as chart data, chart information,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Huayuan Ye , Chenhui Li , Yang Li , Changbo Wang

By using the Jensen-Shannon divergence, genomic DNA can be divided into compositionally distinct domains through a standard recursive segmentation procedure. Each domain, while significantly different from its neighbours, may however share…

Biological Physics · Physics 2009-11-07 Rajeev K. Azad , J. Subba Rao , Wentian Li , Ramakrishna Ramaswamy

We propose a new abstraction set (SynopSet) that has a continuum of visual representations for the explanatory analysis of molecular dynamics simulations (MDS) in the DNA nanotechnology domain. By re-purposing the commonly used progress bar…

Quantitative Methods · Quantitative Biology 2022-05-04 Deng Luo , Alexandre Kouyoumdjian , Ondřej Strnad , Haichao Miao , Ivan Barišić , Ivan Viola

Current research on deep learning for medical image segmentation exposes their limitations in learning either global semantic information or local contextual information. To tackle these issues, a novel network named SegTransVAE is proposed…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Quan-Dung Pham , Hai Nguyen-Truong , Nam Nguyen Phuong , Khoa N. A. Nguyen

Recently, deep learning with Convolutional Neural Networks (CNNs) and Transformers has shown encouraging results in fully supervised medical image segmentation. However, it is still challenging for them to achieve good performance with…

Image and Video Processing · Electrical Eng. & Systems 2022-03-02 Xiangde Luo , Minhao Hu , Tao Song , Guotai Wang , Shaoting Zhang

Genetic information is encoded in a linear sequence of nucleotides, represented by letters ranging from thousands to billions. Mutations refer to changes in the DNA or RNA nucleotide sequence. Thus, mutation detection is vital in all areas…

This paper compares well-established Convolutional Neural Networks (CNNs) to recently introduced Vision Transformers for the task of Diabetic Foot Ulcer Classification, in the context of the DFUC 2021 Grand-Challenge, in which this work…

Image and Video Processing · Electrical Eng. & Systems 2021-11-16 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester

Curvilinear structures are present in various fields in image processing such as blood vessels in medical imaging or roads in remote sensing. Their detection is crucial for many applications. In this article, we propose an unsupervised…

Image and Video Processing · Electrical Eng. & Systems 2024-08-26 Sophie Carneiro-Esteves , Antoine Vacavant , Odyssée Merveille

We present a simple but novel hybrid approach to hyperspectral data cube reconstruction from computed tomography imaging spectrometry (CTIS) images that sequentially combines neural networks and the iterative Expectation Maximization (EM)…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Mads J. Ahlebæk , Mads S. Peters , Wei-Chih Huang , Mads T. Frandsen , René L. Eriksen , Bjarke Jørgensen