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In recent years, deep learning has dominated progress in the field of medical image analysis. We find however, that the ability of current deep learning approaches to represent the complex geometric structures of many medical images is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Xuan Gong , Xin Xia , Wentao Zhu , Baochang Zhang , David Doermann , Lian Zhuo

Objectives. We generate via advanced Deep Learning (DL) techniques artificial leaf images in an automatized way. We aim to dispose of a source of training samples for AI applications for modern crop management. Such applications require…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Alessandro Benfenati , Davide Bolzi , Paola Causin , Roberto Oberti

In spite of considerable progress, computing curvature in Volume of Fluid (VOF) methods continues to be a challenge. The goal is to develop a function or a subroutine that returns the curvature in computational cells containing an interface…

Computational Physics · Physics 2018-11-14 Yinghe Qi , Jiacai Lu , Ruben Scardovelli , Stephane Zaleski , Gretar Tryggvason

Correct identification and categorization of plant diseases are crucial for ensuring the safety of the global food supply and the overall financial success of stakeholders. In this regard, a wide range of solutions has been made available…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Md. Hamjajul Ashmafee , Tasnim Ahmed , Sabbir Ahmed , Md. Bakhtiar Hasan , Mst Nura Jahan , A. B. M. Ashikur Rahman

Grading of cancer is important to know the extent of its spread. Prior to grading, segmentation of glandular structures is important. Manual segmentation is a time consuming process and is subject to observer bias. Hence, an automated…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Rohith AP , Salman S. Khan , Kumar Anubhav , Angshuman Paul

Finger vein authentication, recognized for its high security and specificity, has become a focal point in biometric research. Traditional methods predominantly concentrate on vein feature extraction for discriminative modeling, with a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Yanjun Liu , Wenming Yang , Qingmin Liao

Identifying defect patterns in a wafer map during manufacturing is crucial to find the root cause of the underlying issue and provides valuable insights on improving yield in the foundry. Currently used methods use deep neural networks to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Nitish Shukla

The segmentation module which precisely outlines the nodules is a crucial step in a computer-aided diagnosis(CAD) system. The most challenging part of such a module is how to achieve high accuracy of the segmentation, especially for the…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Xinliang Fu , Jiayin Zheng , Juanyun Mai , Yanbo Shao , Minghao Wang , Linyu Li , Zhaoqi Diao , Yulong Chen , Jianyu Xiao , Jian You , Airu Yin , Yang Yang , Xiangcheng Qiu , Jinsheng Tao , Bo Wang , Hua Ji

In fruit production, critical crop management decisions are guided by bloom intensity, i.e., the number of flowers present in an orchard. Despite its importance, bloom intensity is still typically estimated by means of human visual…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Philipe A. Dias , Amy Tabb , Henry Medeiros

The potato is a widely grown crop in many regions of the world. In recent decades, potato farming has gained incredible traction in the world. Potatoes are susceptible to several illnesses that stunt their development. This plant seems to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Muhammad Ahtsam Naeem , Muhammad Asim Saleem , Muhammad Imran Sharif , Shahzad Akber , Sajjad Saleem , Zahid Akhtar , Kamran Siddique

The treewidth of a graph is an important invariant in structural and algorithmic graph theory. This paper studies the treewidth of line graphs. We show that determining the treewidth of the line graph of a graph $G$ is equivalent to…

Combinatorics · Mathematics 2014-09-25 Daniel J. Harvey , David R. Wood

With the relentless growth of the wind industry, there is an imperious need to design automatic data-driven solutions for wind turbine maintenance. As structural health monitoring mainly relies on visual inspections, the first stage in any…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Raül Pérez-Gonzalo , Andreas Espersen , Antonio Agudo

We give the first data structure for the problem of maintaining a dynamic set of n elements drawn from a partially ordered universe described by a tree. We define the Line-Leaf Tree, a linear-sized data structure that supports the…

Data Structures and Algorithms · Computer Science 2011-05-03 Brent Heeringa , Marius Catalin Iordan , Louis Theran

This paper presents a novel feature set for shape-only leaf identification motivated by real-world, mobile deployment. The feature set includes basic shape features, as well as signal features extracted from local area integral invariants…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Charlie Hewitt , Marwa Mahmoud

Finger vein biometrics is an approach to identifying individuals based on the unique patterns of blood vessels in their fingers, and the technology is advanced in image capture and processing techniques, which is leading to more efficient,…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 George Kumi Kyeremeh , M. Abdul-Al , R. Qahwaji , R. A. Abd-Alhameed

Leaf image recognition techniques have been actively researched for plant species identification. However it remains unclear whether leaf patterns can provide sufficient information for cultivar recognition. This paper reports the first…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Bin Wang , Yongsheng Gao , Xiaohan Yu , Xiaohui Yuan , Shengwu Xiong , Xianzhong Feng

We present a new branch-and-bound type search method for mixed integer linear optimization problems based on the concept of offshoots (introduced in this paper). While similar to a classic branch-and-bound method, it allows for changing the…

Optimization and Control · Mathematics 2017-09-07 Philipp M. Christophel , Imre Pólik

Graph classification aims to categorise graphs based on their structure and node attributes. In this work, we propose to tackle this task using tools from graph signal processing by deriving spectral features, which we then use to design…

Machine Learning · Computer Science 2023-06-07 Felix L. Opolka , Yin-Cong Zhi , Pietro Liò , Xiaowen Dong

In precision agriculture, one of the most important tasks when exploring crop production is identifying individual plant components. There are several attempts to accomplish this task by the use of traditional 2D imaging, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 J. I. Ruiz-Martinez , A. Mendez-Vazquez , E. Rodriguez-Tello

The accuracy of finger vein recognition systems gets degraded due to low and uneven contrast between veins and surroundings, often resulting in poor detection of vein patterns. We propose a finger-vein enhancement technique, ResFPN…

Image and Video Processing · Electrical Eng. & Systems 2023-07-03 Ketan Kotwal , Sebastien Marcel