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We propose the first algorithm for non-rigid 2D-to-3D shape matching, where the input is a 2D shape represented as a planar curve and a 3D shape represented as a surface; the output is a continuous curve on the surface. We cast the problem…

计算机视觉与模式识别 · 计算机科学 2022-01-24 Zorah Lähner , Emanuele Rodolà , Frank R. Schmidt , Michael M. Bronstein , Daniel Cremers

Finding a \emph{single} best solution is the most common objective in combinatorial optimization problems. However, such a single solution may not be applicable to real-world problems as objective functions and constraints are only…

数据结构与算法 · 计算机科学 2022-01-25 Tesshu Hanaka , Masashi Kiyomi , Yasuaki Kobayashi , Yusuke Kobayashi , Kazuhiro Kurita , Yota Otachi

Convex approximation sets for multiobjective optimization problems are a well-studied relaxation of the common notion of approximation sets. Instead of approximating each image of a feasible solution by the image of some solution in the…

最优化与控制 · 数学 2023-06-13 Stephan Helfrich , Stefan Ruzika , Clemens Thielen

Disjointly constrained multilinear programming concerns the problem of maximizing a multilinear function on the product of finitely many disjoint polyhedra. While maximizing a linear function on a polytope (linear programming) is known to…

最优化与控制 · 数学 2016-03-14 Kai Kellner

We propose a new method for shape recognition and retrieval based on dynamic programming. Our approach uses the dynamic programming algorithm to compute the optimal score and to find the optimal alignment between two strings. First, each…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Noreddine Gherabi , Bahaj Mohamed

Seeking tighter relaxations of combinatorial optimization problems, semidefinite programming is a generalization of linear programming that offers better bounds and is still polynomially solvable. Yet, in practice, a semidefinite program is…

最优化与控制 · 数学 2023-11-17 Daniel Porumbel

Considering a 2D matrix of positive and negative numbers, how might one draw a rectangle within it whose contents sum higher than all other rectangles'? This fundamental problem, commonly known the maximum rectangle problem or subwindow…

数据结构与算法 · 计算机科学 2023-04-11 Max Reuter , Gheorghe-Teodor Bercea , Liana Fong

Pseudo-arclength continuation is a well-established method for generating a numerical curve approximating the solution of an underdetermined system of nonlinear equations. It is an inherently sequential predictor-corrector method in which…

数值分析 · 数学 2013-12-13 Dhavide Aruliah , Lennaert van Veen , Alex Dubitski

In this paper, we propose a deterministic algorithm that approximates the optimal path cover on weighted undirected graphs. Based on the 1/2-Approximation Path Cover Algorithm by Moran et al., we add a procedure to remove the redundant…

数值分析 · 数学 2021-01-25 Junyuan Lin , Guangpeng Ren

Approximation algorithms for classical constraint satisfaction problems are one of the main research areas in theoretical computer science. Here we define a natural approximation version of the QMA-complete local Hamiltonian problem and…

量子物理 · 物理学 2016-10-25 Sevag Gharibian , Julia Kempe

Higher-dimensional orthogonal packing problems have a wide range of practical applications, including packing, cutting, and scheduling. Combining the use of our data structure for characterizing feasible packings with our new classes of…

数据结构与算法 · 计算机科学 2007-05-23 Sandor P. Fekete , Joerg Schepers , Jan C. van der Veen

In this paper, we propose two algorithms for solving convex optimization problems with linear ascending constraints. When the objective function is separable, we propose a dual method which terminates in a finite number of iterations. In…

最优化与控制 · 数学 2014-09-26 Zizhuo Wang

We design and analyze a novel accelerated gradient-based algorithm for a class of bilevel optimization problems. These problems have various applications arising from machine learning and image processing, where optimal solutions of the two…

最优化与控制 · 数学 2023-11-20 Sepideh Samadi , Daniel Burbano , Farzad Yousefian

Correspondence problems are often modelled as quadratic optimization problems over permutations. Common scalable methods for approximating solutions of these NP-hard problems are the spectral relaxation for non-convex energies and the…

图形学 · 计算机科学 2017-05-18 Nadav Dym , Haggai Maron , Yaron Lipman

This article focuses on numerical efficiency of projection algorithms for solving linear optimization problems. The theoretical foundation for this approach is provided by the basic result that bounded finite dimensional linear optimization…

最优化与控制 · 数学 2023-09-08 Evgeni Nurminski , Roman Tarasov

This document introduces a strategy to solve linear optimization problems. The strategy is based on the bounding condition each constraint produces on each one of the problem's dimension. The solution of a linear optimization problem is…

最优化与控制 · 数学 2018-09-24 Gerardo L. Febres

We consider the problem of approximating the solution of variational problems subject to the constraint that the admissible functions must be convex. This problem is at the interface between convex analysis, convex optimization, variational…

数值分析 · 数学 2015-03-19 Adam M. Oberman

Solving multiscale diffusion problems is often computationally expensive due to the spatial and temporal discretization challenges arising from high-contrast coefficients. To address this issue, a partially explicit temporal splitting…

数值分析 · 数学 2026-02-26 Yating Wang , Zhengya Yang , Wing Tat Leung

This paper develops algorithms for high-dimensional stochastic control problems based on deep learning and dynamic programming. Unlike classical approximate dynamic programming approaches, we first approximate the optimal policy by means of…

概率论 · 数学 2021-09-21 Côme Huré , Huyên Pham , Achref Bachouch , Nicolas Langrené

This paper studies binary quadratic programs in which the objective is defined by a Euclidean distance matrix, subject to a general polyhedral constraint set. This class of nonconcave maximisation problems includes the capacitated,…

最优化与控制 · 数学 2023-09-19 Hoa T. Bui , Sandy Spiers , Ryan Loxton