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53 Results Found

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,639 Views
17 Pages

TdmTracker: Multi-Object Tracker Guided by Trajectory Distribution Map

  • Yuxuan Gao,
  • Xiaohui Gu,
  • Qiang Gao,
  • Runmin Hou and
  • Yuanlong Hou

With the great progress of object detection, some detection-based multiple object tracking (MOT) paradigms begin to emerge, including tracking-by-detection, joint detection and tracking, and attention mechanism-based MOT. Due to the separately execut...

(This article belongs to the Topic Machine and Deep Learning)
  • Article
  • Open Access
8 Citations
4,087 Views
20 Pages

28 October 2022

Natural imagery segmentation has been transferred to land cover classification in remote sensing imagery with excellent performance. However, two key issues have been overlooked in the transfer process: (1) some objects were easily overwhelmed by the...

(This article belongs to the Special Issue AI Interpretation of Satellite, Aerial, Ground, and Underwater Image and Video Sequences)
  • Article
  • Open Access
1,238 Views
14 Pages

3D visual grounding is a fundamental task for human–machine interaction, aiming to localize specific objects in complex 3D point clouds based on natural language descriptions. Despite recent advancements, existing Transformer-based architecture...

(This article belongs to the Special Issue Advanced Image Processing and Computer Vision (2nd Edition))
  • Article
  • Open Access
3,541 Views
18 Pages

Learning Ordinal Embedding from Sets

  • Aïssatou Diallo and
  • Johannes Fürnkranz

27 July 2021

Ordinal embedding is the task of computing a meaningful multidimensional representation of objects, for which only qualitative constraints on their distance functions are known. In particular, we consider comparisons of the form “Which object from th...

(This article belongs to the Special Issue Representation Learning: Theory, Applications and Ethical Issues)
  • Article
  • Open Access
3 Citations
4,025 Views
22 Pages

In this article, we describe a new formalized method for constructing the NoSQL document database of MongoDB, taking into account the structure of queries planned for execution to the database. The method is based on set theory. The initial data are...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
10 Citations
4,248 Views
30 Pages

Embedded AMIS-Deep Learning with Dialog-Based Object Query System for Multi-Class Tuberculosis Drug Response Classification

  • Chutinun Prasitpuriprecha,
  • Rapeepan Pitakaso,
  • Sarayut Gonwirat,
  • Prem Enkvetchakul and ,
  • Thanawadee Preeprem,
  • Sirima Suvarnakuta Jantama,
  • Chutchai Kaewta,
  • Nantawatana Weerayuth,
  • Thanatkij Srichok and
  • Natthapong Nanthasamroeng
  • + 6 authors+ 1 author

28 November 2022

A person infected with drug-resistant tuberculosis (DR-TB) is the one who does not respond to typical TB treatment. DR-TB necessitates a longer treatment period and a more difficult treatment protocol. In addition, it can spread and infect individual...

(This article belongs to the Special Issue Artificial Intelligence in Clinical Medical Imaging Analysis)
  • Article
  • Open Access
598 Views
21 Pages

7 July 2026

Existing image–text retrieval methods often compute cross-modal similarity using global single-vector representations. Although efficient for coarse semantic alignment, such compressed representations are limited when textual queries involve fi...

(This article belongs to the Special Issue Artificial Intelligence in Computer Vision: Methods and Applications—2nd Edition)
  • Article
  • Open Access
30 Citations
10,680 Views
21 Pages

Context-Aware Explainable Recommendation Based on Domain Knowledge Graph

  • Muzamil Hussain Syed,
  • Tran Quoc Bao Huy and
  • Sun-Tae Chung

With the rapid growth of internet data, knowledge graphs (KGs) are considered as efficient form of knowledge representation that captures the semantics of web objects. In recent years, reasoning over KG for various artificial intelligence tasks have...

(This article belongs to the Special Issue Semantic Web Technology and Recommender Systems)
  • Article
  • Open Access
2 Citations
4,595 Views
12 Pages

8 March 2019

This article addresses the task of inferring elements in the attributes of data. Extracting data related to our interests is a challenging task. Although data on the web can be accessed through free text queries, it is difficult to obtain results tha...

(This article belongs to the Special Issue MoDAT: Designing the Market of Data)
  • Article
  • Open Access
6 Citations
4,527 Views
15 Pages

9 April 2024

The objective of content-based image retrieval (CBIR) is to locate samples from a database that are akin to a query, relying on the content embedded within the images. A contemporary strategy involves calculating the similarity between compact vector...

(This article belongs to the Special Issue Digital Image Processing and Sensing Technologies)
  • Article
  • Open Access
1,005 Views
25 Pages

Query-Driven Retinal Layer Segmentation in OCT Using Cross-Attentive Feature Learning

  • Nebras Sobahi,
  • Salih Taha Alperen Özçelik,
  • Orhan Atila,
  • Abdulkadir Sengur and
  • Muhammed Halil Akpınar

Background/Objectives: Retinal layer segmentation in optical coherence tomography (OCT) is essential for the diagnosis and monitoring of retinal diseases such as age-related macular degeneration (AMD) and diabetic macular edema (DME). Although deep l...

(This article belongs to the Special Issue Deep Learning in Biomedical Image and Signal Processing: Recent Advancements and Applications)
  • Article
  • Open Access
8 Citations
5,373 Views
19 Pages

A Quick Prototype for Assessing OpenIE Knowledge Graph-Based Question-Answering Systems

  • Giuseppina Di Paolo,
  • Diego Rincon-Yanez and
  • Sabrina Senatore

16 March 2023

Due to the rapid growth of knowledge graphs (KG) as representational learning methods in recent years, question-answering approaches have received increasing attention from academia and industry. Question-answering systems use knowledge graphs to org...

(This article belongs to the Special Issue Knowledge Graph Technology and Its Applications)
  • Article
  • Open Access
1 Citations
3,094 Views
25 Pages

21 March 2024

In visual-based localization, prior research falls short in addressing challenges for the Internet of Things with limited computational resources. The dominant state-of-the-art models are based on separate feature extractors and descriptors without c...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
413 Views
18 Pages

1 September 2026

Background/Objectives: Artificial intelligence (AI)-based chatbots are increasingly used as sources of health information, yet the quality and semantic stability of their responses may vary across systems, languages, repeated queries, and prompt form...

(This article belongs to the Section Artificial Intelligence in Healthcare)
  • Article
  • Open Access
2,470 Views
20 Pages

31 January 2024

In the Chinese character writing task performed by robotic arms, the stroke category and position information should be extracted through object detection. Detection algorithms based on predefined anchor frames have difficulty resolving the differenc...

(This article belongs to the Special Issue Object Detection Based on Vision Sensors and Neural Network)
  • Article
  • Open Access
16 Citations
6,768 Views
19 Pages

1 February 2023

Infrastructure 3D Object Detection is a pivotal component of Vehicle-Infrastructure Cooperated Autonomous Driving (VICAD). As turning objects account for a high proportion of traffic at intersections, anchor-free representation in the bird’s-ey...

(This article belongs to the Special Issue Sustainable Transportation and Urban Planning)
  • Article
  • Open Access
5 Citations
3,053 Views
22 Pages

13 March 2024

In this paper we propose the method for detecting potential anomalous cosmic ray particle tracks in big data image dataset acquired by Complementary Metal-Oxide-Semiconductors (CMOS). Those sensors are part of scientific infrastructure of Cosmic Ray...

(This article belongs to the Special Issue Multi-Sensor Systems for Object Tracking—2nd Edition)
  • Article
  • Open Access
502 Views
23 Pages

Approximate nearest neighbor search (ANNS) serves as the fundamental querying method in large-scale and high-dimensional vector datasets, for which proximity graph (PG)-based algorithms are the preferred solution, offering the best balance between qu...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1 Citations
1,107 Views
39 Pages

11 March 2026

Query–service matching in customer service systems faces a critical challenge of accurately aligning user queries expressed in colloquial language with formally defined services while balancing business objectives. Traditional keyword-based and...

(This article belongs to the Special Issue Industrial Improvement with AI in Applied Mathematics)
  • Article
  • Open Access
2 Citations
3,007 Views
18 Pages

Enhancing Robotic Perception through Synchronized Simulation and Physical Common-Sense Reasoning

  • Guillermo Trinidad Barnech,
  • Gonzalo Tejera,
  • Juan Valle-Lisboa,
  • Pedro Núñez and ,
  • Pilar Bachiller and
  • Pablo Bustos
  • + 1 author+ 0 author

31 March 2024

We introduce both conceptual and empirical findings arising from the amalgamation of a robotics cognitive architecture with an embedded physics simulator, aligning with the principles outlined in the intuitive physics literature. The employed robotic...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
2 Citations
3,928 Views
13 Pages

Using Vector Databases for the Selection of Related Occupations: An Empirical Evaluation Using O*NET

  • Lino Gonzalez-Garcia,
  • Miguel-Angel Sicilia and
  • Elena García-Barriocanal

Career planning agencies and other organizations can help workers if they are able to effectively identify related occupations that are relevant to the task at hand. Occupational knowledge bases such as O*NET and ESCO represent mature attempts to cat...

(This article belongs to the Special Issue Application of Semantic Technologies in Intelligent Environment)
  • Article
  • Open Access
6 Citations
5,482 Views
22 Pages

Current spatiotemporal data has facilitated movement studies to shift objectives from descriptive models to explanations of the underlying causes of movement. From both a practical and theoretical standpoint, progress in developing approaches for the...

  • Article
  • Open Access
4 Citations
2,879 Views
30 Pages

Vision Transformers achieve strong performance across computer vision tasks but suffer from quadratic computational complexity with respect to token count, limiting deployment in resource-constrained environments. Existing token pruning methods rely...

(This article belongs to the Section Probability and Statistics)
  • Article
  • Open Access
364 Views
28 Pages

3 September 2026

Bug localization is the task of automatically identifying the source files responsible for a reported defect. It is a critical step in software maintenance that accelerates defect resolution. Information retrieval (IR) methods are simple and effectiv...

(This article belongs to the Special Issue Intelligent Approaches for Solving Software Problems with AI Techniques, 2nd Edition)
  • Article
  • Open Access
3 Citations
1,347 Views
15 Pages

28 August 2025

In recent years, electrocardiogram (ECG) biometrics has received extensive attention and achieved a series of exciting results. In order to achieve optimal ECG biometric recognition, it is crucial to effectively process the original ECG signals. Howe...

(This article belongs to the Special Issue New Trends in Biometric Sensing and Information Processing)
  • Article
  • Open Access
3 Citations
3,316 Views
18 Pages

18 June 2024

Neural radiance fields have emerged as a dominant paradigm for creating complex 3D environments incorporating synthetic novel views. However, 3D object removal applications utilizing neural radiance fields have lagged behind in effectiveness, particu...

(This article belongs to the Special Issue 3D Reconstruction of Cultural Heritage and 3D Assets Utilisation)
  • Article
  • Open Access
723 Views
27 Pages

UAV-assisted cyber–physical–social systems increasingly use visual analytics for disaster response, infrastructure monitoring, traffic management, and safety-oriented situational awareness. Raw aerial imagery can expose faces, license pla...

(This article belongs to the Special Issue Privacy and Security for Cyber–Physical Systems (CPS))
  • Article
  • Open Access
2 Citations
1,204 Views
25 Pages

There is voluminous literature concerning the scope of topological relations that span various embedding spaces from R1 to R2, Z2 , S1 and S2 , and T2. In the case of the *1 spaces, those relations have been considered as conceptualizations of both s...

  • Article
  • Open Access
4 Citations
1,701 Views
20 Pages

SAQ-YOLO: An Efficient Small Object Detection Model for Unmanned Aerial Vehicle in Maritime Search and Rescue

  • Sichen Li,
  • Hao Yi,
  • Shengyi Chen,
  • Xinmin Chen and ,
  • Mao Xu and
  • Feifan Yu
  • + 1 author+ 0 author

22 December 2025

In Search and Rescue (SAR) missions, UAVs must be capable of detecting small objects from complex and noise-prone maritime images. Existing small object detection methods typically rely on super-resolution techniques or complex structural designs, wh...

  • Article
  • Open Access
46 Citations
9,578 Views
24 Pages

A Survey on Big Data for Trajectory Analytics

  • Damião Ribeiro de Almeida,
  • Cláudio de Souza Baptista,
  • Fabio Gomes de Andrade and
  • Amilcar Soares

Trajectory data allow the study of the behavior of moving objects, from humans to animals. Wireless communication, mobile devices, and technologies such as Global Positioning System (GPS) have contributed to the growth of the trajectory research fiel...

  • Article
  • Open Access
4 Citations
10,159 Views
14 Pages

Intelligent Indexing—Boosting Performance in Database Applications by Recognizing Index Patterns

  • Alberto Arteta Albert,
  • Nuria Gómez Blas and
  • Luis Fernando de Mingo López

An issue that most databases face is the static and manual character of indexing operations. This old-fashioned way of indexing database objects is proven to affect the database performance to some degree, creating downtime and a possible impact in t...

(This article belongs to the Special Issue Pattern Recognition and Applications)
  • Communication
  • Open Access
4 Citations
3,764 Views
20 Pages

Towards Open-Set NLP-Based Multi-Level Planning for Robotic Tasks

  • Peteris Racinskis,
  • Oskars Vismanis,
  • Toms Eduards Zinars,
  • Janis Arents and
  • Modris Greitans

19 November 2024

This paper outlines a conceptual design for a multi-level natural language-based planning system and describes a demonstrator. The main goal of the demonstrator is to serve as a proof-of-concept by accomplishing end-to-end execution in a real-world e...

(This article belongs to the Special Issue Digital Technologies Enabling Modern Industries)
  • Article
  • Open Access
9 Citations
3,655 Views
21 Pages

The unavailability and fragmentation of spatial data are challenges in creating realistic representations of objects and environments in the real world, especially indoors. Among the numerous methods for representing indoor space, the existing resear...

  • Feature Paper
  • Article
  • Open Access
42 Citations
7,712 Views
25 Pages

Artificial Intelligence Visual Metaphors in E-Learning Interfaces for Learning Analytics

  • Valentina Franzoni,
  • Alfredo Milani,
  • Paolo Mengoni and
  • Fabrizio Piccinato

15 October 2020

This work proposes an innovative visual tool for real-time continuous learners analytics. The purpose of the work is to improve the design, functionality, and usability of learning management systems to monitor user activity to allow educators to mak...

(This article belongs to the Special Issue Advances in Artificial Intelligence Learning Technologies)
  • Article
  • Open Access
8 Citations
2,774 Views
20 Pages

Vehicle Make and Model Recognition as an Open-Set Recognition Problem and New Class Discovery

  • Diana-Itzel Vázquez-Santiago,
  • Héctor-Gabriel Acosta-Mesa and
  • Efrén Mezura-Montes

One of the main limitations of traditional neural-network-based classifiers is the assumption that all query data are well represented within their training set. Unfortunately, in real-life scenarios, this is often not the case, and unknown class dat...

(This article belongs to the Collection Feature Papers in Mathematical and Computational Applications 2023)
  • Article
  • Open Access
21 Citations
9,473 Views
14 Pages

Can ChatGPT Help in Electronics Research and Development? A Case Study with Applied Sensors

  • Zoltán Tafferner,
  • Illés Balázs,
  • Olivér Krammer and
  • Attila Géczy

18 May 2023

In this paper, we investigated the applicability of ChatGPT AI in electronics research and development via a case study of applied sensors in embedded electronic systems, a topic that is rarely mentioned in the recent literature, thus providing new i...

(This article belongs to the Special Issue Intelligent Sensing and Decision-Making in Advanced Manufacturing)
  • Article
  • Open Access
1 Citations
1,041 Views
16 Pages

Error-Guided Multimodal Sample Selection with Hallucination Suppression for LVLMs

  • Huanyu Cheng,
  • Linjiang Shang,
  • Xikang Chen,
  • Tao Feng and
  • Yin Zhang

17 December 2025

Building high-quality multimodal instruction datasets is often time-consuming and costly. Recent studies have shown that a small amount of carefully selected high-quality data can be more effective for improving LVLM performance than large volumes of...

  • Article
  • Open Access
2 Citations
2,835 Views
15 Pages

26 January 2024

Keyword pools are used as search queries to collect web texts, largely determining the size and coverage of the samples and provide a data base for subsequent text mining. However, how to generate a refined keyword pool with high similarity and some...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
1 Citations
610 Views
24 Pages

Construction and Reasoning Method of Knowledge Graph for Aircraft Skin Spraying Process

  • Danyang Yu,
  • Chengzhi Su,
  • Huilin Tian,
  • Wenyu Song and ,
  • Yuxin Yue and
  • Haifeng Bao
  • + 1 author+ 0 author

7 February 2026

To address the heavy reliance on experiential knowledge, fragmented multi-source information, and limited intelligence in decision-making for aircraft skin spraying processes, this paper proposes a knowledge reasoning method based on a knowledge grap...

(This article belongs to the Section AI-Enabled Process Engineering)
  • Article
  • Open Access
15 Citations
3,022 Views
21 Pages

DFA-SAT: Dynamic Feature Abstraction with Self-Attention-Based 3D Object Detection for Autonomous Driving

  • Husnain Mushtaq,
  • Xiaoheng Deng,
  • Mubashir Ali,
  • Babur Hayat and
  • Hafiz Husnain Raza Sherazi

13 September 2023

Autonomous vehicles (AVs) play a crucial role in enhancing urban mobility within the context of a smarter and more connected urban environment. Three-dimensional object detection in AVs is an essential task for comprehending the driving environment t...

(This article belongs to the Section Sustainable Urban and Rural Development)
  • Article
  • Open Access
527 Views
29 Pages

10 June 2026

Intelligent autonomous driving systems must not only predict the appropriate driving manoeuvre but also provide human-interpretable evidence that justifies the decision. However, existing methods typically address these objectives separately, leading...

(This article belongs to the Special Issue Intelligent Sensing, Planning and Control for Autonomous Ground Vehicles)
  • Article
  • Open Access
5 Citations
3,171 Views
26 Pages

GraderAssist: A Graph-Based Multi-LLM Framework for Transparent and Reproducible Automated Evaluation

  • Catalin Anghel,
  • Andreea Alexandra Anghel,
  • Emilia Pecheanu,
  • Adina Cocu and ,
  • Marian Viorel Craciun,
  • Paul Iacobescu,
  • Antonio Stefan Balau and
  • Constantin Adrian Andrei
  • + 3 authors+ 0 author

Background and objectives: Automated evaluation of open-ended responses remains a persistent challenge, particularly when consistency, transparency, and reproducibility are required. While large language models (LLMs) have shown promise in rubric-bas...

  • Article
  • Open Access
576 Views
36 Pages

Graph-Enhanced Retrieval-Augmented Generation for Postoperative Patient Question Answering: A Comparative Evaluation of Knowledge Graph, Retrieval-Augmented Generation, and Hybrid GraphRAG Approaches

  • Srinivasagam Prabha,
  • Bernardo G. Collaco,
  • Carina Rosa Malena,
  • Syed Ali Haider and ,
  • Nadia Wood and
  • Antonio Jorge Forte
  • + 1 author+ 0 author

Background: Reliable access to postoperative guidance between clinic visits remains inconsistent, and the usefulness of large language models depends on how clinical knowledge is structured and retrieved. Knowledge graph-only (KG-only), vector retrie...

(This article belongs to the Section Biosignal Processing)
  • Article
  • Open Access
1,137 Views
19 Pages

DOCB: A Dynamic Online Cross-Batch Hard Exemplar Recall for Cross-View Geo-Localization

  • Wenchao Fan,
  • Xuetao Tian,
  • Long Huang,
  • Xiuwei Zhang and
  • Fang Wang

Image-based geo-localization is a challenging task that aims to determine the geographic location of a ground-level query image captured by an Unmanned Ground Vehicle (UGV) by matching it to geo-tagged nadir-view (top-down) images from an Unmanned Ae...

(This article belongs to the Topic Artificial Intelligence Models, Tools and Applications)
  • Article
  • Open Access
2 Citations
960 Views
18 Pages

AI in Dermato-Oncology: Diagnostic Performance and Prompt-Injection Vulnerability of Vision–Language Models in Dermoscopic Skin Cancer Assessment

  • Ibrahim Güler,
  • Armin Kraus,
  • Gerrit Grieb,
  • Tevfik Satir and ,
  • Pascal Eberz and
  • Henrik Stelling
  • + 1 author+ 0 author

27 May 2026

Background/Objectives: Accurate differentiation of benign melanocytic nevi from invasive melanoma in dermato-oncology directly informs biopsy decisions and oncological management. Vision–language models (VLMs) are increasingly explored for imag...

(This article belongs to the Special Issue AI-Driven Oncology: Advancing Cancer Detection, Diagnosis, and Personalized Treatment)
  • Article
  • Open Access
428 Views
27 Pages

Anatomy-Aware Hierarchical Contrastive Hashing for Efficient Radiograph Classification and Retrieval

  • Jamil Ahmad,
  • Habiba Almetnawy,
  • Ahed Orabi,
  • Mustaqeem Khan and ,
  • Haleem Farman and
  • Farman Ullah
  • + 1 author+ 0 author

Medical-image retrieval systems must balance semantic relevance with storage and search cost while remaining robust to errors introduced by hierarchical routing. This work presents an anatomy-aware hierarchical contrastive hashing framework for radio...

(This article belongs to the Section Assistive Technologies)
  • Article
  • Open Access
244 Views
21 Pages

High-Information-Density Knowledge Graph Retrieval Augmentation for Large Language Models

  • Zihao Zhou,
  • Ganggang Yin,
  • Zejian Lu,
  • Feng Zhang and
  • Wen Zhao

12 October 2026

Retrieval-Augmented Generation (RAG) mitigates hallucination and knowledge staleness in large language models (LLMs) by injecting external knowledge into the context window, yet its effectiveness is rigidly constrained by attention dilution and infer...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
11 Citations
4,942 Views
19 Pages

Geospatial Tool Development for the Management of Historical Hiking Trails—The Case of the Holy Site of Meteora

  • Chryssy Potsiou,
  • Charalabos Ioannidis,
  • Sofia Soile,
  • Argyro-Maria Boutsi and ,
  • Regina Chliverou,
  • Konstantinos Apostolopoulos,
  • Maria Gkeli and
  • Fotis Bourexis
  • + 3 authors+ 0 author

2 August 2023

This paper presents a holistic guiding methodology for the development of a geospatial tool to be used for the documentation, planning, smart management and dissemination of a country’s network of historic hiking trails. To deal with the challe...

(This article belongs to the Special Issue Preservation, Reuse and Reveal of Cultural Heritage through Sustainable Land Management, Rural and Urban Development II)
  • Systematic Review
  • Open Access
2 Citations
2,534 Views
35 Pages

6 March 2026

Background: Nudging has become a prominent approach for influencing secure digital behavior, yet its theoretical coherence and long-term effectiveness remain unclear. Objectives: This systematic review examines how the “nudging paradigm”...

(This article belongs to the Section Information Security and Privacy)
  • Article
  • Open Access
498 Views
41 Pages

27 September 2026

Background/Objectives: Large language models (LLMs) are increasingly explored for clinical decision support and digital health applications. However, reliable diagnostic assistance remains challenging for low-resource medical languages such as Turkis...

(This article belongs to the Special Issue Large Language Models in Medical Diagnostics: Advancing Clinical Practice, Research, and Patient Care)

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