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This paper proposes and analyzes an iterative minimization formulation for search- ing index-1 saddle points of an energy function. This formulation differs from other eigenvector-following methods by constructing a new objective function…

Numerical Analysis · Mathematics 2014-06-10 Weiguo Gao , Jing Leng , Xiang Zhou

The Morse-Smale complex is a well studied topological structure that represents the gradient flow behavior between critical points of a scalar function. It supports multi-scale topological analysis and visualization of feature-rich…

Graphics · Computer Science 2023-11-07 Varshini Subhash , Karran Pandey , Vijay Natarajan

autoScale.py is a program that performs an automatic finite-size scaling analysis for given sets of simulated data. It implements a quite general scaling assumption and optimizes an initial set of scaling parameters that enforce a data…

Computational Physics · Physics 2009-10-29 O. Melchert

Current 3D self-supervised learning methods of 3D scenes face a data desert issue, resulting from the time-consuming and expensive collecting process of 3D scene data. Conversely, 3D shape datasets are easier to collect. Despite this,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Tuo Feng , Wenguan Wang , Ruijie Quan , Yi Yang

This paper considers the problem of understanding the exit time for trajectories of gradient-related first-order methods from saddle neighborhoods under some initial boundary conditions. Given the 'flat' geometry around saddle points,…

Optimization and Control · Mathematics 2023-10-10 Rishabh Dixit , Mert Gurbuzbalaban , Waheed U. Bajwa

The SCIP Optimization Suite provides a collection of software packages for mathematical optimization, centered around the constraint integer programming (CIP) framework SCIP. This report discusses the enhancements and extensions included in…

Hyperbolic (HB) programming generalizes many popular convex optimization problems, including semidefinite and second-order cone programming. Despite substantial theoretical progress on HB programming, efficient computational tools for…

Optimization and Control · Mathematics 2026-02-27 Mehdi Karimi , Levent Tuncel

We introduce the Stress-Guided Lightweight Design Benchmark (SGLDBench), a comprehensive benchmark suite for applying and evaluating material layout strategies to generate stiff, lightweight designs in 3D domains. SGLDBench provides a…

Computational Engineering, Finance, and Science · Computer Science 2025-06-03 Junpeng Wang , Dennis R. Bukenberger , Simon Niedermayr , Christoph Neuhauser , Jun Wu , Rüdiger Westermann

We introduce Microsoft Machine Learning for Apache Spark (MMLSpark), an ecosystem of enhancements that expand the Apache Spark distributed computing library to tackle problems in Deep Learning, Micro-Service Orchestration, Gradient…

This paper studies the problem of Line Segment Detection (LSD) for the characterization of line geometry in images, with the aim of learning a domain-agnostic robust LSD model that works well for any natural images. With the focus of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Zeran Ke , Bin Tan , Xianwei Zheng , Yujun Shen , Tianfu Wu , Nan Xue

In this paper, we provide some analysis on the asymptotic escape of strict saddles in manifold optimization using the projected gradient descent (PGD) algorithm. One of our main contributions is that we extend the current analysis to…

Optimization and Control · Mathematics 2020-06-30 Thomas Y. Hou , Zhenzhen Li , Ziyun Zhang

General scene perception has progressed from object recognition toward open-vocabulary grounding, part localization, and affordance prediction. Yet these capabilities are often realized as isolated predictions that localize objects, parts,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Pengxin Xu , Xincheng Lin , Luping Xiao , Qing Jiang , Meishan Zhang , Hao Fei , Shanghang Zhang , Xingyu Chen

The quest for deeper understanding of biological systems has driven the acquisition of increasingly larger multidimensional image datasets. Inspecting and manipulating data of this complexity is very challenging in traditional visualization…

Graphics · Computer Science 2018-08-23 Stanislav Pidhorskyi , Michael Morehead , Quinn Jones , George Spirou , Gianfranco Doretto

Domain shift is a critical problem for pathology AI as pathology data is heavily influenced by center-specific conditions. Current pathology domain adaptation methods focus on image patches rather than WSI, thus failing to capture global…

Artificial Intelligence · Computer Science 2025-08-11 Jingsong Liu , Han Li , Chen Yang , Michael Deutges , Ario Sadafi , Xin You , Katharina Breininger , Nassir Navab , Peter J. Schüffler

The Downhill Simplex Method (DSM) is a fast-converging derivative-free optimization technique for nonlinear systems. However, the optimization process is often subject to premature convergence due to degenerated simplices or noise-induced…

Optimization and Control · Mathematics 2025-09-09 Tianyu Wang , Xiaozhou He , Bernd R. Noack

Synthesis of diverse driving scenes serves as a crucial data augmentation technique for validating the robustness and generalizability of autonomous driving systems. Current methods aggregate high-definition (HD) maps and 3D bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhechao Wang , Yiming Zeng , Lufan Ma , Zeqing Fu , Chen Bai , Ziyao Lin , Cheng Lu

We consider saddle point problems which objective functions are the average of $n$ strongly convex-concave individual components. Recently, researchers exploit variance reduction methods to solve such problems and achieve linear-convergence…

Machine Learning · Computer Science 2019-09-17 Luo Luo , Cheng Chen , Yujun Li , Guangzeng Xie , Zhihua Zhang

Our understanding of the dynamics of the interstellar medium is informed by the study of the detailed velocity structure of emission line observations. One approach to study the velocity structure is to decompose the spectra into individual…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Manuel Riener , Jouni Kainulainen , Jonathan D. Henshaw , Jan H. Orkisz , Claire E. Murray , Henrik Beuther

Geotechnical and seismic applications, ranging from site response analysis and HVSR simulations to dispersion curve modeling, increasingly depend on large, well-labeled datasets for robust model development. However, the scarcity of…

Geophysics · Physics 2025-12-16 Mersad Fathizadeh , Hosna Kianfar

Uncertainties in dynamic road environments pose significant challenges for behavior and trajectory planning in autonomous driving. This paper introduces Hi-Drive, a hierarchical planning algorithm addressing uncertainties at both behavior…

Robotics · Computer Science 2025-10-16 Xuanjin Jin , Chendong Zeng , Shengfa Zhu , Chunxiao Liu , Panpan Cai
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