English
Related papers

Related papers: Implementation and complexity of the watershed-fro…

200 papers

Foundation models have significantly advanced medical image analysis through the pre-train fine-tune paradigm. Among various fine-tuning algorithms, Parameter-Efficient Fine-Tuning (PEFT) is increasingly utilized for knowledge transfer…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Raman Dutt , Linus Ericsson , Pedro Sanchez , Sotirios A. Tsaftaris , Timothy Hospedales

While well-known methods to list the intersections of either a list of segments or a complex polygon aim at achieving optimal time-complexity they often do so at the cost of memory comsumption and complex code. Real-life software…

Computational Geometry · Computer Science 2013-05-28 Jean Souviron

We introduce an algorithm that performs a one-directional mesh overset of a parallel forest of octrees with another distributed mesh of unrelated partition. The forest mesh consists of several adaptively refined octrees. Individual smooth…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-03 Hannes Brandt , Carsten Burstedde

We present improved learning-augmented algorithms for finding an approximate minimum spanning tree (MST) for points in an arbitrary metric space. Our work follows a recent framework called metric forest completion (MFC), where the learned…

Data Structures and Algorithms · Computer Science 2026-03-02 Nate Veldt , Thomas Stanley , Benjamin W. Priest , Trevor Steil , Keita Iwabuchi , T. S. Jayram , Grace J. Li , Geoffrey Sanders

Fast Fourier Transforms (FFT) are widely used to reduce memory and computational costs in deep learning. However, existing implementations, including standard FFT and real FFT (rFFT), cannot achieve true in-place computation. In particular,…

Machine Learning · Computer Science 2025-12-23 Xinyu Ding , Bangtian Liu , Siyu Liao , Zhongfeng Wang

We present Fast Approximate Minimum Spanning Tree (FAMST), a novel algorithm that addresses the computational challenges of constructing Minimum Spanning Trees (MSTs) for large-scale and high-dimensional datasets. FAMST utilizes a…

Data Structures and Algorithms · Computer Science 2025-07-22 Mahmood K. M. Almansoori , Miklos Telek

Graph partitioning has many applications. We consider the acceleration of shortest path queries in road networks using Customizable Contraction Hierarchies (CCH). It is based on computing a nested dissection order by recursively dividing…

Data Structures and Algorithms · Computer Science 2020-04-28 Lars Gottesbüren , Michael Hamann , Tim Niklas Uhl , Dorothea Wagner

The state of the art performance of deep learning models comes at a high cost for companies and institutions, due to the tedious data collection and the heavy processing requirements. Recently, [35, 22] proposed to watermark convolutional…

Cryptography and Security · Computer Science 2021-04-14 Erwan Le Merrer , Patrick Perez , Gilles Trédan

Watershed segmentation method has been used in various applications. But many a times, due to its over-segmentation attributes, it underperforms in several tasks where noise is a dominant source. In this study, Optical Coherence Tomography…

Image and Video Processing · Electrical Eng. & Systems 2023-03-30 Maryam Viqar , Violeta Madjarova , Elena Stoykova

An algorithm is presented that solves the Minimum Dominating Set problem exactly using polynomial space based on dynamic programming for a tree decomposition. A direct application of dynamic programming based on a tree decomposition would…

Data Structures and Algorithms · Computer Science 2017-11-29 Mahdi Belbasi , Martin Fürer

We introduce "PatchMorph," an new stochastic deep learning algorithm tailored for unsupervised 3D brain image registration. Unlike other methods, our method uses compact patches of a constant small size to derive solutions that can combine…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Henrik Skibbe , Michal Byra , Akiya Watakabe , Tetsuo Yamamori , Marco Reisert

Conventional detection networks usually need abundant labeled training samples, while humans can learn new concepts incrementally with just a few examples. This paper focuses on a more challenging but realistic class-incremental few-shot…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Pengyang Li , Yanan Li , Han Cui , Donghui Wang

In this paper, we address two critical challenges in the domain of flood detection: the computational expense of large-scale time series change detection and the lack of interpretable decision-making processes on explainable AI (XAI). To…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Ziyang Zhang , Plamen Angelov , Dmitry Kangin , Nicolas Longépé

Any watershed, when defined on a stack on a normal pseudomanifold of dimension d, is a pure (d -- 1)-subcomplex that satisfies a drop-of-water principle. In this paper, we introduce Morse stacks, a class of functions that are equivalent to…

Discrete Mathematics · Computer Science 2023-05-17 Gilles Bertrand , Nicolas Boutry , Laurent Najman

In this thesis, we present fast deterministic algorithm to find small cuts in distributed networks. Finding small min-cuts for a network is essential for ensuring the quality of service and reliability. Throughout this thesis, we use the…

Data Structures and Algorithms · Computer Science 2020-03-03 Mohit Daga

An important problem in terrain analysis is modeling how water flows across a terrain creating floods by forming channels and filling depressions. In this paper we study a number of \emph{flow-query} related problems: Given a terrain…

Computational Geometry · Computer Science 2020-09-18 Aaron Lowe , Svend C. Svendsen , Pankaj K. Agarwal , Lars Arge

In this work we present SIFT, a 3-step algorithm for the analysis of the structural information represented by means of a taxonomy. The major advantage of this algorithm is the capability to leverage the information inherent to the…

Databases · Computer Science 2016-02-24 Jorge Martinez-Gil

We propose a novel algorithm for enumerating and listing all minimal cutsets of a given graph. It is known that this problem is NP-hard. We use connectivity properties of a given graph to develop an algorithm with reduced complexity for…

Combinatorics · Mathematics 2007-05-23 Ahmad R. Sharafat , Omid R. Ma'rouzi

This work details a highly efficient implementation of the 3D scale-invariant feature transform (SIFT) algorithm, for the purpose of machine learning from large sets of volumetric medical image data. The primary operations of the 3D SIFT…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Jean-Baptiste Carluer , Laurent Chauvin , Jie Luo , William M. Wells , Ines Machado , Rola Harmouche , Matthew Toews

Parameter-Efficient Fine-Tuning (PEFT) methods have gained significant popularity for adapting pre-trained Large Language Models (LLMs) to downstream tasks, primarily due to their potential to significantly reduce memory and computational…

Computation and Language · Computer Science 2024-11-06 Kai Yao , Penglei Gao , Lichun Li , Yuan Zhao , Xiaofeng Wang , Wei Wang , Jianke Zhu