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We survey the main formulations and solution methods for two-dimensional orthogonal cutting and packing problems, where both items and bins are rectangles. We focus on exact methods and relaxations for the four main problems from the…

Optimization and Control · Mathematics 2020-07-28 Manuel Iori , Vinícius L. de Lima , Silvano Martello , Flávio K. Miyazawa , Michele Monaci

These notes are an overview of some classical linear methods in Multivariate Data Analysis. This is a good old domain, well established since the 60's, and refreshed timely as a key step in statistical learning. It can be presented as part…

Numerical Analysis · Mathematics 2023-05-25 Alain Franc

Segmentation of a text-document into lines, words and characters, which is considered to be the crucial pre-processing stage in Optical Character Recognition (OCR) is traditionally carried out on uncompressed documents, although most of the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-01 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Cutting planes are crucial in solving mixed integer linear programs (MILP) as they facilitate bound improvements on the optimal solution. Modern MILP solvers rely on a variety of separators to generate a diverse set of cutting planes by…

Optimization and Control · Mathematics 2023-11-13 Sirui Li , Wenbin Ouyang , Max B. Paulus , Cathy Wu

The minimum distance of a code is an important concept in information theory. Hence, computing the minimum distance of a code with a minimum computational cost is a crucial process to many problems in this area. In this paper, we present…

Information Theory · Computer Science 2024-05-01 Fernando Hernando , Francisco D. Igual , Gregorio Quintana-Ortí

Polyhedral projection is a main operation of the polyhedron abstract domain.It can be computed via parametric linear programming (PLP), which is more efficient than the classic Fourier-Motzkin elimination method.In prior work, PLP was done…

Optimization and Control · Mathematics 2019-11-25 Hang Yu , David Monniaux

Many computer models contain unknown parameters which need to be estimated using physical observations. Kennedy and O'Hagan (2001) shows that the calibration method based on Gaussian process models proposed by Kennedy and O'Hagan (2001) may…

Methodology · Statistics 2015-07-28 Rui Tuo , C. F. Jeff Wu

Benefiting from its high efficiency and simplicity, Simple Linear Iterative Clustering (SLIC) remains one of the most popular over-segmentation tools. However, due to explicit enforcement of spatial similarity for region continuity, the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Jiaxing Zhao , Ren Bo , Qibin Hou , Ming-Ming Cheng , Paul L. Rosin

Straight lines are common features in human made environments, which makes them a frequently explored feature for control applications. Many control schemes, like Visual Servoing, require the 3D parameters of the features to be estimated.…

Robotics · Computer Science 2019-03-22 André Mateus , Omar Tahri , Pedro Miraldo

We study relaxations for linear programs with complementarity constraints, especially instances whose complementary pairs of variables are not independent. Our formulation is based on identifying vertex covers of the conflict graph of the…

Optimization and Control · Mathematics 2022-08-03 Alberto Del Pia , Jeff Linderoth , Haoran Zhu

In this paper, a 1d convolutional neural network is designed for classification tasks of plant leaves. This network based classifier is analyzed in two directions. In the forward direction, the proposed network can be used in two ways: a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Dongyang Kuang

Computing the distance function to some surface or line is a problem that occurs very frequently. There are several ways of computing a relevant approximation of this function, using for example technique originating from the approximation…

Numerical Analysis · Mathematics 2022-12-02 Rémi Abgrall

In this paper we propose a low-cost high-speed imaging line scan system. We replace an expensive industrial line scan camera and illumination with a custom-built set-up of cheap off-the-shelf components, yielding a measurement system with…

Computer Vision and Pattern Recognition · Computer Science 2016-12-08 Stef Van Wolputte , Wim Abbeloos , Stijn Helsen , Abdellatif Bey-Temsamani , Toon Goedemé

We introduce a new type of distinct distances result: a lower bound on the number of distances between points on a line and points on a two-dimensional strip. This can be seen as a generalization of the well-studied problems of distances…

Metric Geometry · Mathematics 2025-04-08 Sanjana Das , Adam Sheffer

The worldwide commercialization of fifth generation (5G) wireless networks and the exciting possibilities offered by connected and autonomous vehicles (CAVs) are pushing toward the deployment of heterogeneous sensors for tracking dynamic…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Francesco Nardo , Davide Peressoni , Paolo Testolina , Marco Giordani , Andrea Zanella

This article introduces new acceleration methods for fixed-point iterations. Extrapolations are computed using two or three mappings alternately and a new type of step length is proposed with good properties for nonlinear applications. The…

Optimization and Control · Mathematics 2021-08-17 Nicolas Lepage-Saucier

Despite the success of branch-and-cut methods for solving mixed integer bilevel linear optimization problems (MIBLPs) in practice, there are still gaps in both the theory and practice surrounding these methods. In the first part of this…

Optimization and Control · Mathematics 2025-10-06 Sahar Tahernejad , Ted K. Ralphs

This study introduces time-windowed variations of three established trajectory simplification algorithms. These new algorithms are specifically designed to be used in contexts with bandwidth limitations. We present the details of these…

Other Computer Science · Computer Science 2025-04-10 Gilles Dejaegere , Mahmoud Sakr

We introduce multi-slice reasoning, a new notion for single-view 3D reconstruction which challenges the current and prevailing belief that multi-view synthesis is the most natural conduit between single-view and 3D. Our key observation is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Yizhi Wang , Wallace Lira , Wenqi Wang , Ali Mahdavi-Amiri , Hao Zhang

State-of-the-art methods for large-scale driving-scene LiDAR segmentation often project the point clouds to 2D space and then process them via 2D convolution. Although this corporation shows the competitiveness in the point cloud, it…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Yuexin Ma , Wei Li , Hongsheng Li , Dahua Lin