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879 Results Found

  • Article
  • Open Access
24 Citations
5,642 Views
19 Pages

7 June 2023

The early detection and diagnosis of breast cancer may increase survival rates and reduce overall treatment costs. The cancer of the breast is a severe and potentially fatal disease that impacts individuals worldwide. Mammography is a widely utilized...

  • Article
  • Open Access
23 Citations
4,941 Views
16 Pages

3 March 2019

Region proposal network (RPN) based object detection, such as Faster Regions with CNN (Faster R-CNN), has gained considerable attention due to its high accuracy and fast speed. However, it has room for improvements when used in special application si...

  • Article
  • Open Access
1 Citations
1,734 Views
25 Pages

15 September 2024

Due to the fact that invalid cloud-covered regions in remote sensing images consume a considerable quantity of coding bit rates under the limited satellite-to-ground transmission rate, existing image compression methods suffer from low compression ef...

  • Article
  • Open Access
8 Citations
8,451 Views
18 Pages

19 October 2017

Smartphones and tablets are widely used in medical fields, which can improve healthcare and reduce healthcare costs. Many medical applications for smartphones and tablets have already been developed and widely used by both health professionals and pa...

  • Article
  • Open Access
2 Citations
2,675 Views
21 Pages

Effect of the Profile of the Decision Maker in the Search for Solutions in the Decision-Making Process

  • Mercedes Perez-Villafuerte,
  • Laura Cruz-Reyes,
  • Nelson Rangel-Valdez,
  • Claudia Gomez-Santillan and
  • Héctor Fraire-Huacuja

Many real-world optimization problems involving several conflicting objective functions frequently appear in current scenarios and it is expected they will remain present in the future. However, approaches combining multi-objective optimization with...

  • Article
  • Open Access
3 Citations
2,165 Views
20 Pages

15 February 2023

This work presents a Bayesian statistical approach to the saliency map estimation problem. More specifically, we formalize the saliency map estimation issue in the fully automatic Markovian framework. The major and original contribution of the propos...

  • Article
  • Open Access
4 Citations
5,364 Views
15 Pages

Enhancing U-Net Segmentation Accuracy Through Comprehensive Data Preprocessing

  • Talshyn Sarsembayeva,
  • Madina Mansurova,
  • Assel Abdildayeva and
  • Stepan Serebryakov

8 February 2025

The accurate segmentation of lung regions in computed tomography (CT) scans is critical for the automated analysis of lung diseases such as chronic obstructive pulmonary disease (COPD) and COVID-19. This paper focuses on enhancing the accuracy of U-N...

  • Article
  • Open Access
26 Citations
5,452 Views
11 Pages

11 November 2014

Human detection using visible surveillance sensors is an important and challenging work for intruder detection and safety management. The biggest barrier of real-time human detection is the computational time required for dense image scaling and sca...

  • Article
  • Open Access
7 Citations
3,344 Views
14 Pages

Polarformer: Optic Disc and Cup Segmentation Using a Hybrid CNN-Transformer and Polar Transformation

  • Yaowei Feng,
  • Zhendong Li,
  • Dong Yang,
  • Hongkai Hu,
  • Hui Guo and
  • Hao Liu

30 December 2022

The segmentation of optic disc (OD) and optic cup (OC) are used in the automatic diagnosis of glaucoma. However, the spatially ambiguous boundary and semantically uncertain region-of-interest area in pictures may lead to the degradation of the perfor...

  • Article
  • Open Access
24 Citations
5,569 Views
18 Pages

4 November 2019

Image sensors are widely used for detecting cracks on concrete surfaces to help proactive and timely management of concrete structures. However, it is a challenging task to reliably detect cracks on damaged surfaces in the real world due to noise and...

  • Article
  • Open Access
6 Citations
5,920 Views
19 Pages

21 June 2017

In an effort to detect the region-of-interest (ROI) of remote sensing images with complex data distributions, sparse representation based on dictionary learning has been utilized, and has proved able to process high dimensional data adaptively and ef...

  • Article
  • Open Access
3 Citations
2,179 Views
12 Pages

For the purpose of accuracy in detection and diagnosis, Computer-Aided Diagnosis (CAD) is preferred by radiologists for the analysis of Breast Cancer. However, the presence of noise, artifacts, and poor contrast in breast images during acquisition hi...

  • Article
  • Open Access
213 Views
21 Pages

Co-Registration of UAV and Handheld LiDAR Data for Fine Phenotyping of Rubber Plantations with Complex Canopies

  • Junxiang Tan,
  • Hao Chen,
  • Kaihui Zhang,
  • Hao Yang,
  • Xiongjie Wang,
  • Ronghao Yang,
  • Guyue Hu,
  • Shaoda Li,
  • Jianfei Liu and
  • Xiangjun Wang

26 January 2026

Rubber tree phenotyping is transitioning from labor-intensive manual techniques toward high-throughput intelligent sensing platforms. However, the advancement of high-throughput phenotyping remains hindered by complex canopy architectures and pronoun...

  • Article
  • Open Access
1 Citations
1,933 Views
16 Pages

20 December 2024

Massive image datasets are often required for the proper functioning of Machine Learning (ML) and Computer Vision (CV) applications. This paper offers a solution to computational challenges in the Image Processing of satellite imagery, by proposing a...

  • Article
  • Open Access
9 Citations
2,987 Views
10 Pages

Value of Dual-Energy CT Perfusion Analysis in Patients with Acute Pancreatitis: Correlation and Discriminative Diagnostic Accuracy with Varying Disease Severity

  • Scherwin Mahmoudi,
  • Simon Martin,
  • Vitali Koch,
  • Leon David Gruenewald,
  • Simon Bernatz,
  • Tommaso D’Angelo,
  • Thomas J. Vogl,
  • Christian Booz and
  • Ibrahim Yel

27 October 2022

Background: This study investigates the correlation and discriminative diagnostic accuracy of dual-energy CT (DECT)-derived imaging biomarkers in patients with acute pancreatitis of varying severity. Methods: In this retrospective study, we included...

  • Article
  • Open Access
1 Citations
1,039 Views
22 Pages

As small-sized targets, cotton top buds pose challenges for traditional full-image search methods, leading to high sparsity in the feature matrix and resulting in problems such as slow detection speeds and wasted computational resources. Therefore, i...

  • Article
  • Open Access
14 Citations
9,975 Views
16 Pages

A differentiation between all types of melanocytic and non-melanocytic skin lesions (MnM–SK) is a challenging task for both computer-aided diagnosis (CAD) and dermatologists due to the complex structure of patterns. The dermatologists are widely usin...

  • Article
  • Open Access
6 Citations
2,933 Views
11 Pages

Dual-Energy CT Material Decomposition: The Value in the Detection of Lymph Node Metastasis from Breast Cancer

  • Ibrahim Yel,
  • Tommaso D’Angelo,
  • Leon D. Gruenewald,
  • Vitali Koch,
  • Rejane Golbach,
  • Scherwin Mahmoudi,
  • Giorgio Ascenti,
  • Alfredo Blandino,
  • Thomas J. Vogl and
  • Giuseppe M. Bucolo
  • + 1 author

21 February 2024

Purpose: To evaluate the diagnostic performance of a dual-energy computed tomography (DECT)-based material decomposition algorithm for iodine quantification and fat fraction analysis to detect lymph node metastases in breast cancer patients. Material...

  • Article
  • Open Access
1,233 Views
21 Pages

Mobile Platform for Continuous Screening of Clear Water Quality Using Colorimetric Plasmonic Sensing

  • Rima Mansour,
  • Caterina Serafinelli,
  • Rui Jesus and
  • Alessandro Fantoni

10 August 2025

Effective water quality monitoring is very important for detecting pollution and protecting public health. However, traditional methods are slow, relying on costly equipment, central laboratories, and expert staffing, which delays real-time measureme...

  • Article
  • Open Access
24 Citations
4,514 Views
19 Pages

27 January 2023

Demand for data security is increasing as information technology advances. Encryption technology based on biometrics has advanced significantly to meet more convenient and secure needs. Because of the stability of face traits and the difficulty of co...

  • Article
  • Open Access
346 Views
16 Pages

Automated detection of impact craters is essential for planetary surface studies, yet it remains a challenging task due to variable morphology, degraded rims, complex geological settings, and inconsistent illumination conditions. This study presents...

  • Article
  • Open Access
1 Citations
990 Views
13 Pages

Low-keV Virtual Monoenergetic Imaging for Bronchial Artery Visualization on Photon-Counting Detector Computed Tomography

  • Xuyang Sun,
  • Tetsu Niwa,
  • Takakiyo Nomura,
  • Ryoichi Yoshida,
  • Kazuo Koyanagi and
  • Jun Hashimoto

Background/Objectives: This study aims to determine the optimal use of virtual monoenergetic imaging (VMI) for visualizing the bronchial artery on photon-counting detector computed tomography (PCD-CT). Methods: We evaluated the visibility of the bron...

  • Article
  • Open Access
918 Views
17 Pages

Lesion-Symptom Mapping of Acute Speech Deficits After Left vs. Right Hemisphere Stroke: A Retrospective Analysis of NIHSS Best Language Scores and Clinical Neuroimaging

  • Nilofar Sherzad,
  • Roger Newman-Norlund,
  • John Absher,
  • Leonardo Bonilha,
  • Christopher Rorden,
  • Julius Fridriksson and
  • Sigfus Kristinsson

13 December 2025

Background: Recent research suggests that damage to right hemisphere regions homotopic to the left hemisphere language network affects language abilities to a greater extent than previously thought. However, few studies have investigated acute disrup...

  • Article
  • Open Access
86 Citations
12,961 Views
16 Pages

Contactless Vital Signs Measurement System Using RGB-Thermal Image Sensors and Its Clinical Screening Test on Patients with Seasonal Influenza

  • Toshiaki Negishi,
  • Shigeto Abe,
  • Takemi Matsui,
  • He Liu,
  • Masaki Kurosawa,
  • Tetsuo Kirimoto and
  • Guanghao Sun

13 April 2020

Background: In the last two decades, infrared thermography (IRT) has been applied in quarantine stations for the screening of patients with suspected infectious disease. However, the fever-based screening procedure employing IRT suffers from low sens...

  • Article
  • Open Access
633 Views
17 Pages

12 August 2025

In this paper, the multi-objective optimization of the 12-pole radial active magnetic bearing (RAMB) is investigated. In the optimization of the RAMB, the decision-maker is more interested in the Pareto-optimal solutions in a certain region. This pap...

  • Article
  • Open Access
2,218 Views
31 Pages

14 May 2025

This paper considers the multiple path planning problem to cover a region of interest using vertical takeoff and landing (VTOL) drones. Drones are used not only to explore unknown areas but also to view areas from the air that are difficult for peopl...

  • Article
  • Open Access
3 Citations
1,867 Views
16 Pages

Effect of Subject-Specific Region of Interest on Motor Imagery Brain–Computer Interface

  • Eltaf Abdalsalam Mohamed,
  • Ibrahim Khalil Adam and
  • Mohd Zuki Yusoff

23 May 2023

A brain–computer interface (BCI), as a solution to disabled people’s concerns, has drawn attention in biomedical engineering over the last decade. However, the most existing brain–computer interface systems are based on the time or...

  • Article
  • Open Access
5 Citations
2,135 Views
25 Pages

20 October 2023

Segmentation of pneumonia on lung radiographs is vital for the precise diagnosis and monitoring of the disease. It enables healthcare professionals to locate and quantify the extent of infection, guide treatment decisions, and improve patient care. O...

  • Feature Paper
  • Article
  • Open Access
1 Citations
3,036 Views
17 Pages

Comparison of Optimization Methods for the Attitude Control of Satellites

  • Ramón Albareda,
  • Karl Stephan Olfe,
  • Álvaro Bello,
  • José Javier Fernández and
  • Victoria Lapuerta

24 August 2024

The definition of multiple operational modes in a satellite is of vital importance for the adaptation of the satellite to the operational demands of the mission and environmental conditions. In this work, three optimization methods were implemented f...

  • Article
  • Open Access
2 Citations
1,381 Views
22 Pages

5 September 2025

To enhance spatial resource complementarity and cross-entity coordination among multi-regional integrated energy systems (MRIESs), an optimized operation strategy is developed based on a bilevel Stackelberg game framework. In this framework, the inte...

  • Article
  • Open Access
15 Citations
6,452 Views
18 Pages

28 September 2019

We investigated a machine-learning-based fast banknote serial number recognition method. Unlike existing methods, the proposed method not only recognizes multi-digit serial numbers simultaneously but also detects the region of interest for the serial...

  • Article
  • Open Access
2 Citations
1,945 Views
16 Pages

A Frequency Support Approach for Hybrid Energy Systems Considering Energy Storage

  • Dahu Li,
  • Hongyu Zhou,
  • Yuan Chen,
  • Yue Zhou,
  • Yuze Rao and
  • Wei Yao

22 May 2023

In hybrid energy systems, the intermittent and fluctuating nature of new energy sources poses major challenges for the regulation and control of power systems. To mitigate these challenges, energy storage devices have gained attention for their abili...

  • Article
  • Open Access
3 Citations
2,832 Views
13 Pages

Topology optimization is currently the only way to provide bone microstructure information by enhancing a 600 μm low-resolution image into a 50 μm high-resolution image. Particularly, the recently proposed localized reconstruction method for th...

  • Article
  • Open Access
14 Citations
7,216 Views
21 Pages

17 May 2017

As a consequence of past decades of extensive afforestation in Norway, mature forest volumes are increasing. National forestry politics call for sustainable and efficient resource usage and for increased regional processing. Regional policies seek to...

  • Article
  • Open Access
7 Citations
2,924 Views
14 Pages

A Method for Integration of Preferences to a Multi-Objective Evolutionary Algorithm Using Ordinal Multi-Criteria Classification

  • Alejandro Castellanos-Alvarez,
  • Laura Cruz-Reyes,
  • Eduardo Fernandez,
  • Nelson Rangel-Valdez,
  • Claudia Gómez-Santillán,
  • Hector Fraire and
  • José Alfredo Brambila-Hernández

Most real-world problems require the optimization of multiple objective functions simultaneously, which can conflict with each other. The environment of these problems usually involves imprecise information derived from inaccurate measurements or the...

  • Article
  • Open Access
1 Citations
2,726 Views
25 Pages

Learning to Execute Timed-Temporal-Logic Navigation Tasks under Input Constraints in Obstacle-Cluttered Environments

  • Fotios C. Tolis,
  • Panagiotis S. Trakas,
  • Taxiarchis-Foivos Blounas,
  • Christos K. Verginis and
  • Charalampos P. Bechlioulis

26 April 2024

This study focuses on addressing the problem of motion planning within workspaces cluttered with obstacles while considering temporal and input constraints. These specifications can encapsulate intricate high-level objectives involving both temporal...

  • Article
  • Open Access
196 Citations
30,317 Views
25 Pages

Methods of the Water-Energy-Food Nexus

  • Aiko Endo,
  • Kimberly Burnett,
  • Pedcris M. Orencio,
  • Terukazu Kumazawa,
  • Christopher A. Wada,
  • Akira Ishii,
  • Izumi Tsurita and
  • Makoto Taniguchi

23 October 2015

This paper focuses on a collection of methods that can be used to analyze the water-energy-food (WEF) nexus. We classify these methods as qualitative or quantitative for interdisciplinary and transdisciplinary research approaches. The methods for int...

  • Article
  • Open Access
5 Citations
3,683 Views
19 Pages

25 November 2021

Land use plays a crucial role in climate change adaptation and mitigation, as the reasonable design of land use distribution can positively impact these things. Therefore, research interest in climate change adaptation and mitigation strategies in la...

  • Article
  • Open Access
16 Citations
4,406 Views
15 Pages

7 August 2021

Spectrally selective absorbers have received considerable interest due to their applications in thermophotovoltaic devices and as solar absorbers. Due to extreme operating conditions in these applications, such as high temperatures, thermo-mechanical...

  • Article
  • Open Access
1 Citations
1,382 Views
19 Pages

Assessment of Bone Aging—A Comparison of Different Methods for Evaluating Bone Tissue

  • Paweł Kamiński,
  • Aleksander Gali,
  • Rafał Obuchowicz,
  • Michał Strzelecki,
  • Adam Piórkowski,
  • Marcin Kociołek,
  • Elżbieta Pociask,
  • Joanna Kwiecień and
  • Karolina Nurzyńska

4 July 2025

This study tackles the challenge of automatically estimating age from pelvis radiographs. Furthermore, we aim to develop a methodology for applying artificial intelligence to classify or regress medical imagery data. Our dataset comprises 684 pelvis...

  • Article
  • Open Access
3 Citations
3,266 Views
19 Pages

Computing and Assessment of Discrete Angle Positions for Optimizing the Solar Energy Harvesting for Urban Sustainable Development

  • Guillermo Quiroga-Ocaña,
  • Julio C. Montaño-Moreno,
  • Enrique A. Enríquez-Velásquez,
  • Victor H. Benitez,
  • Luis C. Félix-Herrán,
  • Jorge de-J. Lozoya-Santos and
  • Ricardo A. Ramírez-Mendoza

9 October 2021

This paper proposes the computation and assessment of optimal tilt and azimuth angles for a receiving surface, using a mathematical model developed at the University of Tomsk, Russia. The model was validated and analyzed for the Nuevo León State, Nor...

  • Article
  • Open Access
19 Citations
6,676 Views
24 Pages

Progress in continuous flow chemistry over the past two decades has facilitated significant developments in the flow synthesis of a wide variety of Active Pharmaceutical Ingredients (APIs), the foundation of Continuous Pharmaceutical Manufacturing (C...

  • Article
  • Open Access
10 Citations
5,178 Views
22 Pages

Evolutionary Strategy for Practical Design of Passive Optical Networks

  • Leonardo Pereira Dias,
  • Alex Ferreira Dos Santos,
  • Helder Alves Pereira,
  • Raul Camelo De Andrade Almeida,
  • William Ferreira Giozza,
  • Rafael Timóteo De Sousa and
  • Karcius Day Rosario Assis

Passive optical networks (PONs) are an important and interesting technology for broadband access as a result of the growing demand for bandwidth over the past 10 years. An arduous and complex step in the design of such networks involves determining t...

  • Article
  • Open Access
1 Citations
4,124 Views
14 Pages

Automated Dynamic Mascon Generation for GRACE and GRACE-FO Harmonic Processing

  • Yara Mohajerani,
  • David Shean,
  • Anthony Arendt and
  • Tyler C. Sutterley

7 August 2021

Commonly used mass-concentration (mascon) solutions estimated from Level-1B Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On data, provided by processing centers such as the Jet Propulsion Laboratory (JPL) or the Goddard Space Flig...

  • Article
  • Open Access
3 Citations
7,666 Views
62 Pages

Marburg Virus Outbreak and a New Conspiracy Theory: Findings from a Comprehensive Analysis and Forecasting of Web Behavior

  • Nirmalya Thakur,
  • Shuqi Cui,
  • Kesha A. Patel,
  • Nazif Azizi,
  • Victoria Knieling,
  • Changhee Han,
  • Audrey Poon and
  • Rishika Shah

17 November 2023

During virus outbreaks in the recent past, web behavior mining, modeling, and analysis have served as means to examine, explore, interpret, assess, and forecast the worldwide perception, readiness, reactions, and response linked to these virus outbre...

  • Article
  • Open Access
35 Citations
7,588 Views
18 Pages

H-YOLO: A Single-Shot Ship Detection Approach Based on Region of Interest Preselected Network

  • Gang Tang,
  • Shibo Liu,
  • Iwao Fujino,
  • Christophe Claramunt,
  • Yide Wang and
  • Shaoyang Men

21 December 2020

Ship detection from high-resolution optical satellite images is still an important task that deserves optimal solutions. This paper introduces a novel high-resolution image network-based approach based on the preselection of a region of interest (RoI...

  • Article
  • Open Access
3 Citations
2,618 Views
20 Pages

Wideband Waveform Design for Distributed Precision Jamming

  • Kedi Zhang,
  • Qingsong Zhou,
  • Jing Wang,
  • Chao Huang,
  • Zhongping Yang and
  • Jianyun Zhang

13 March 2023

Precision electronic warfare is a hot direction for future jamming technology development, and distributed precision jamming (DIPJ) is one of its typical application scenarios. The task objective of DIPJ is to design jamming waveforms so that the jam...

  • Proceeding Paper
  • Open Access
1,479 Views
7 Pages

Explainable Artificial Intelligence for Object Detection in the Automotive Sector

  • Marios Siganos,
  • Panagiotis Radoglou-Grammatikis,
  • Thomas Lagkas,
  • Vasileios Argyriou,
  • Sotirios Goudos,
  • Konstantinos E. Psannis,
  • Konstantinos-Filippos Kollias,
  • George F. Fragulis and
  • Panagiotis Sarigiannidis

1 September 2025

In the automotive domain, object detection is pivotal for enhancing safety and autonomy through the identification of various objects of interest. However, insights into the influential image pixels in the detection process are often lacking. Recogni...

  • Article
  • Open Access
2 Citations
2,697 Views
23 Pages

Policy Drivers of Inter-Regional Investment in China

  • Ruicong Sang,
  • W. Robert J. Alexander and
  • Sajid Anwar

We examine how the policies of Chinese regional governments affect the investment location decisions of firms. Using a dataset compiled from the reports on the investment decisions of 498 listed Chinese companies headquartered in the provinces of Gua...

  • Article
  • Open Access
3 Citations
3,131 Views
21 Pages

12 March 2020

Accurate detection and identification of obstacles plays an important role in the navigation and behavior planning of the patrol robot. Aiming at the patrol robot with camera mounted symmetrically, an obstacle detection method based on structural con...

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