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相关论文: Determination of cutting positions of honeycomb bl…

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The article considers solving the problem of precision cutting of honeycomb blocks. The urgency of using arbitrary shapes application cutting from honey-comb blocks made of modern composite materials is substantiated. The problem is to…

机器人学 · 计算机科学 2020-08-20 M. V. Kubrikov , M. V. Saramud , M. V Karaseva

The article describes the application of the Hough transform to a honeycomb block image. The problem of cutting a mold from a honeycomb block is described. A number of image transformations are considered to increase the efficiency of the…

计算机视觉与模式识别 · 计算机科学 2020-12-30 M V Kubrikov , I A Paulin , M V Saramud , A S Kubrikova

The article discusses an algorithm for recognizing the contour of fragments of a honeycomb block. The inapplicability of ready-made functions of the OpenCV library is shown. Two proposed algorithms are considered. The direct scanning…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Maksim Viktorovich Kubrikov , Mikhail Vladimirovich Saramud , Ivan Alekseevich Paulin , Evgeniy Petrovich Talay

Objective: This study aims to use artificial intelligence to realize the automatic planning of laminectomy, and verify the method. Methods: We propose a two-stage approach for automatic laminectomy cutting plane planning. The first stage…

图像与视频处理 · 电气工程与系统科学 2024-01-01 Zhuofu Li , Yonghong Zhang , Chengxia Wang , Shanshan Liu , Xiongkang Song , Xuquan Ji , Shuai Jiang , Woquan Zhong , Lei Hu , Weishi Li

This paper proposes a novel adaptive algorithm to extract facial feature points automatically such as eyebrows corners, eyes corners, nostrils, nose tip, and mouth corners in frontal view faces, which is based on cumulative histogram…

计算机视觉与模式识别 · 计算机科学 2012-03-16 Sushil Kumar Paul , Mohammad Shorif Uddin , Saida Bouakaz

We describe an algorithm for solving an important geometric problem arising in computer-aided manufacturing. When cutting away a region from a solid piece of material -- such as steel, wood, ceramics, or plastic -- using a rough tool in a…

计算几何 · 计算机科学 2022-03-08 Mikkel Abrahamsen , Mikkel Thorup

This paper is about the design of an automated machine to cut turbot fish specimens. Machine vision is a key part of this project as it is used to compute a cutting curve for the specimen head. This task is impossible to be carried out by…

图像与视频处理 · 电气工程与系统科学 2022-12-21 Fernando Martin-Rodriguez , Fernando Isasi-de-Vicente , Monica Fernandez-Barciela

This paper presents a new method for automatic quantification of ellipse-like cells in images, an important and challenging problem that has been studied by the computer vision community. The proposed method can be described by two main…

计算机视觉与模式识别 · 计算机科学 2012-01-17 Wesley Nunes Gonçalves , Odemir Martinez Bruno

Cutting planes are essential for solving mixed-integer linear problems (MILPs), because they facilitate bound improvements on the optimal solution value. For selecting cuts, modern solvers rely on manually designed heuristics that are tuned…

机器学习 · 计算机科学 2022-06-28 Max B. Paulus , Giulia Zarpellon , Andreas Krause , Laurent Charlin , Chris J. Maddison

This paper presents a method that improve state-of-the-art of the concave point detection methods as a first step to segment overlapping objects on images. It is based on the analysis of the curvature of the objects contour. The method has…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Miquel Miró-Nicolau , Biel Moyà-Alcover , Manuel Gonzàlez-Hidalgo , Antoni Jaume-i-Capó

We present a finitely convergent cutting-plane algorithm for solving a general mixed-integer convex program given an oracle for solving a general convex program. This method is extended to solve a family of two-stage mixed-integer convex…

最优化与控制 · 数学 2025-09-30 Fengqiao Luo , Shibshankar Dey , Sanjay Mehrotra

Cutting plane methods play a significant role in modern solvers for tackling mixed-integer programming (MIP) problems. Proper selection of cuts would remove infeasible solutions in the early stage, thus largely reducing the computational…

最优化与控制 · 数学 2021-10-11 Zeren Huang , Kerong Wang , Furui Liu , Hui-ling Zhen , Weinan Zhang , Mingxuan Yuan , Jianye Hao , Yong Yu , Jun Wang

We develop a sketching algorithm to find the point on the convex hull of a dataset, closest to a query point outside it. Studying the convex hull of datasets can provide useful information about their geometric structure and their…

微分几何 · 数学 2022-03-30 Roozbeh Yousefzadeh

Site preparation by mounding is a commonly used silvicultural treatment that improves tree growth conditions by mechanically creating planting microsites called mounds. Following site preparation, the next critical step is to count the…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Majid Nikougoftar Nategh , Ahmed Zgaren , Wassim Bouachir , Nizar Bouguila

Cutting planes (cuts) are important for solving mixed-integer linear programs (MILPs), which formulate a wide range of important real-world applications. Cut selection -- which aims to select a proper subset of the candidate cuts to improve…

机器学习 · 计算机科学 2023-02-02 Zhihai Wang , Xijun Li , Jie Wang , Yufei Kuang , Mingxuan Yuan , Jia Zeng , Yongdong Zhang , Feng Wu

During the last years, computer vision-based diagnosis systems have been widely used in several hospitals and dermatology clinics, aiming at the early detection of malignant melanoma tumor, which is among the most frequent types of skin…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Mahammed Messadi , Hocine Cherifi , Abdelhafid Bessaid

We survey recent work on machine learning (ML) techniques for selecting cutting planes (or cuts) in mixed-integer linear programming (MILP). Despite the availability of various classes of cuts, the task of choosing a set of cuts to add to…

最优化与控制 · 数学 2023-11-01 Arnaud Deza , Elias B. Khalil

In forest industry, mechanical site preparation by mounding is widely used prior to planting operations. One of the main problems when planning planting operations is the difficulty in estimating the number of mounds present on a planting…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Ahmed Zgaren , Wassim Bouachir , Nizar Bouguila

We study the structure of the set of all possible affine hyperplane sections of a convex polytope. We present two different cell decompositions of this set, induced by hyperplane arrangements. Using our decomposition, we bound the number of…

组合数学 · 数学 2025-06-02 Marie-Charlotte Brandenburg , Jesús A. De Loera , Chiara Meroni

The cutting plane approach to optimal matchings has been discussed by several authors over the past decades (e.g., Padberg and Rao '82, Grotschel and Holland '85, Lovasz and Plummer '86, Trick '87, Fischetti and Lodi '07) and its…

数据结构与算法 · 计算机科学 2014-01-24 Karthekeyan Chandrasekaran , Laszlo A. Vegh , Santosh Vempala
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