Skip to Content
You are currently on the new version of our website. Access the old version .

592 Results Found

  • Article
  • Open Access
2 Citations
795 Views
24 Pages

FeedbackSTS-Det: Sparse-Frames-Based Spatio-Temporal Semantic Feedback Network for Moving Infrared Small Target Detection

  • Yian Huang,
  • Qing Qin,
  • Aji Mao,
  • Xiangyu Qiu and ,
  • Han Guo,
  • Liang Xu,
  • Xian Zhang and
  • Zhenming Peng
  • + 3 authors+ 0 author

18 June 2026

Infrared small target detection (ISTD) has been a critical technology in various civilian and industrial applications over the past several decades, such as civilian patrol missions aboard UAVs or shipboard systems, and industrial inspection tasks li...

(This article belongs to the Special Issue Advanced Artificial Intelligence and Deep Learning for Remote Sensing (4th Edition))
  • Article
  • Open Access
4 Citations
3,433 Views
18 Pages

Deep Semantic Parsing with Upper Ontologies

  • Algirdas Laukaitis,
  • Egidijus Ostašius and
  • Darius Plikynas

11 October 2021

This paper presents a new method for semantic parsing with upper ontologies using FrameNet annotations and BERT-based sentence context distributed representations. The proposed method leverages WordNet upper ontology mapping and PropBank-style semant...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
2 Citations
4,214 Views
20 Pages

Semantic Predictive Coding with Arbitrated Generative Adversarial Networks

  • Radamanthys Stivaktakis,
  • Grigorios Tsagkatakis and
  • Panagiotis Tsakalides

In spatio-temporal predictive coding problems, like next-frame prediction in video, determining the content of plausible future frames is primarily based on the image dynamics of previous frames. We establish an alternative approach based on their un...

  • Article
  • Open Access
  • Best Paper Award
18 Citations
6,532 Views
21 Pages

Monitoring social discourse about COVID-19 vaccines is key to understanding how large populations perceive vaccination campaigns. This work reconstructs how popular and trending posts framed semantically and emotionally COVID-19 vaccines on Twitter....

(This article belongs to the Collection Machine Learning and Artificial Intelligence for Health Applications on Social Networks)
  • Article
  • Open Access
19 Citations
4,093 Views
18 Pages

Semantic segmentation predicts dense pixel-wise semantic labels, which is crucial for autonomous environment perception systems. For applications on mobile devices, current research focuses on energy-efficient segmenters for both frame and event-base...

(This article belongs to the Special Issue Design and Control of a Bio-Inspired Robot)
  • Article
  • Open Access
474 Views
36 Pages

Trained Still Wins: Narrowing the Gap to Zero-Shot Video Anomaly Detection

  • Preet Kanwal,
  • Shylaja S. S and
  • Prasad B. Honnavalli

14 September 2026

Video anomaly detection has two very different answers to the question of how a detector should acquire its notion of “normal” for a given camera: adapt its parameters to hours of normal footage recorded by that exact camera, or perform n...

  • Article
  • Open Access
283 Views
34 Pages

A Semantically Oriented Method for Knowledge Representation in Artificial Intelligence Systems for Cybersecurity

  • Yuliia Kostiuk,
  • Ellana Molchanova,
  • Pavlo Skladannyi,
  • Volodymyr Sokolov and
  • Karyna Khorolska

1 October 2026

This paper proposes a semantically oriented knowledge-representation method for transforming primary cyber-event data into structured semantic knowledge to support explainable reasoning in cybersecurity decision-making. The core contribution is a tra...

(This article belongs to the Special Issue IoT, AI, and Blockchain: Applications, Security, and Perspectives)
  • Article
  • Open Access
10 Citations
9,609 Views
24 Pages

2 November 2018

This paper aims at exploring how conservative and liberal newspapers in South Korea framed PyeongChang 2018 directly. Our research questions addressed four points: first, different attitudes of conservative and liberal newspapers in the PyeongChang n...

(This article belongs to the Special Issue Big Data Research for Social Sciences and Social Impact)
  • Article
  • Open Access
4 Citations
7,161 Views
16 Pages

23 September 2019

Since the referendum in 2016, Brexit has become the most controversial conundrum in the UK. This study aimed to revisit this issue by focusing on the communicative patterns of Brexit-related parties (the Conservatives, Labour, and UK Independence Par...

(This article belongs to the Special Issue Sustainability and Social Media)
  • Article
  • Open Access
34 Citations
7,785 Views
20 Pages

Multi-View Fusion-Based 3D Object Detection for Robot Indoor Scene Perception

  • Li Wang,
  • Ruifeng Li,
  • Jingwen Sun,
  • Xingxing Liu and ,
  • Lijun Zhao,
  • Hock Soon Seah,
  • Chee Kwang Quah and
  • Budianto Tandianus
  • + 3 authors+ 0 author

21 September 2019

To autonomously move and operate objects in cluttered indoor environments, a service robot requires the ability of 3D scene perception. Though 3D object detection can provide an object-level environmental description to fill this gap, a robot always...

(This article belongs to the Special Issue Semantic Representations for Behavior Analysis in Robotic System)
  • Article
  • Open Access
2,730 Views
21 Pages

28 October 2024

Semantic segmentation often suffers from class imbalance, where the label ratio for each class in the dataset is not uniform. Recent studies have addressed the issue of class imbalance in semantic segmentation by leveraging the neural collapse phenom...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
572 Views
20 Pages

SemGeoFrame: A Visual Matching Framework for Aircraft Based on Surface Semantic Information

  • Zhaoyun Luo,
  • Yanfei Liu,
  • Chen Liu,
  • Min Kong and ,
  • Dongfang Yang,
  • Maoan Zhou and
  • Cong An
  • + 2 authors+ 0 author

22 April 2026

In GNSS-denied environments, UAV visual positioning faces the critical bottleneck of low matching accuracy between heterogeneous images. To address this, we propose SemGeoFrame, a visual matching framework that leverages surface semantic information...

  • Article
  • Open Access
1 Citations
881 Views
22 Pages

Semantic Mapping in Public Indoor Environments Using Improved Instance Segmentation and Continuous-Frame Dynamic Constraint

  • Yumin Lu,
  • Xueyu Feng,
  • Zonghuan Guo,
  • Jianchao Wang and ,
  • Lin Zhou and
  • Yingcheng Lin
  • + 1 author+ 0 author

Reliable semantic perception is crucial for service robots operating in complex public indoor environments. However, existing semantic mapping approaches often face the dual challenges of high computational overhead and semantic redundancy in maps. T...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1,673 Views
27 Pages

15 February 2026

Road defect detection is essential for traffic safety and infrastructure maintenance. Excising automated methods based on 2D image analysis lack spatial context and cannot provide accurate 3D localization required for maintenance planning. We propose...

(This article belongs to the Special Issue Intelligent 3D Vision: Reconstruction, Understanding, Generative Modeling, and Applications)
  • Feature Paper
  • Article
  • Open Access
4 Citations
1,729 Views
18 Pages

Automated Dimension Recognition and BIM Modeling of Frame Structures Based on 3D Point Clouds

  • Fengyu Zhang,
  • Jinyang Liu,
  • Peizhen Li,
  • Lin Chen and
  • Qingsong Xiong

Building information models (BIMs) serve as a foundational tool for digital management of existing structures. Traditional methods suffer from low automation and heavy reliance on manual intervention. This paper proposes an automated method for struc...

(This article belongs to the Section Electronic Multimedia)
  • Article
  • Open Access
251 Views
45 Pages

Wing Icing Segmentation from UAV Flight-Test Images Using Wing Surface Spatial Priors and Inter-Frame Smoothing

  • Pan Pan,
  • Junqiang Bai,
  • Zhangsong Ni,
  • Ming Xue and ,
  • Ying Zhang and
  • Zixu Wang
  • + 1 author+ 0 author

10 October 2026

Wing icing alters the aerodynamic shape of lifting surfaces and threatens aviation safety. Existing icing-image datasets come mainly from wind tunnels or simulations, and image-level random splits overestimate generalisation for video data. We build...

  • Article
  • Open Access
11 Citations
4,912 Views
20 Pages

Asynchronous Semantic Background Subtraction

  • Anthony Cioppa,
  • Marc Braham and
  • Marc Van Droogenbroeck

The method of Semantic Background Subtraction (SBS), which combines semantic segmentation and background subtraction, has recently emerged for the task of segmenting moving objects in video sequences. While SBS has been shown to improve background su...

  • Article
  • Open Access
4 Citations
3,943 Views
23 Pages

23 December 2022

Loop closure detection is a crucial part of VSLAM. However, the traditional loop closure detection algorithms are difficult to adapt to complex and changeable scenes. In this paper, we fuse Gist features, semantic features and appearance features of...

(This article belongs to the Special Issue Computer/Machine Vision Applications in Automation, Robotic, Mechatronic Systems)
  • Article
  • Open Access
19 Citations
4,843 Views
10 Pages

14 May 2020

The shot-type decision is a very important pre-task in movie analysis due to the vast information, such as the emotion, psychology of the characters, and space information, from the shot type chosen. In order to analyze a variety of movies, a techniq...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
10 Citations
5,569 Views
19 Pages

Fast 3D Semantic Mapping in Road Scenes

  • Xuanpeng Li,
  • Dong Wang,
  • Huanxuan Ao,
  • Rachid Belaroussi and
  • Dominique Gruyer

13 February 2019

Fast 3D reconstruction with semantic information in road scenes is of great requirements for autonomous navigation. It involves issues of geometry and appearance in the field of computer vision. In this work, we propose a fast 3D semantic mapping sys...

(This article belongs to the Special Issue Intelligent Imaging and Analysis)
  • Article
  • Open Access
7 Citations
3,874 Views
20 Pages

Deep Learning-Based Semantic Segmentation for Objective Colonoscopy Quality Assessment

  • Radu Alexandru Vulpoi,
  • Adrian Ciobanu,
  • Vasile Liviu Drug,
  • Catalina Mihai and ,
  • Oana Bogdana Barboi,
  • Diana Elena Floria,
  • Alexandru Ionut Coseru,
  • Andrei Olteanu,
  • Vadim Rosca and
  • Mihaela Luca
  • + 5 authors+ 0 author

Background: This study aims to objectively evaluate the overall quality of colonoscopies using a specially trained deep learning-based semantic segmentation neural network. This represents a modern and valuable approach for the analysis of colonoscop...

(This article belongs to the Section Medical Imaging)
  • Article
  • Open Access
22 Citations
6,397 Views
22 Pages

LaBGen-P-Semantic: A First Step for Leveraging Semantic Segmentation in Background Generation

  • Benjamin Laugraud,
  • Sébastien Piérard and
  • Marc Van Droogenbroeck

Given a video sequence acquired from a fixed camera, the stationary background generation problem consists of generating a unique image estimating the stationary background of the sequence. During the IEEE Scene Background Modeling Contest (SBMC) org...

(This article belongs to the Special Issue Detection of Moving Objects)
  • Article
  • Open Access
1,946 Views
30 Pages

30 July 2025

Video temporal grounding (VTG) aims to localize a semantically relevant temporal segment within an untrimmed video based on a natural language query. The task continues to face challenges arising from cross-modal semantic misalignment, which is large...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
1 Citations
782 Views
29 Pages

A User-Based Study on the Graphic Parameters of Pictorial Symbols for Tourist Maps

  • Eirini Nektaria Konstantinou,
  • Andriani Skopeliti and
  • Byron Nakos

Modern web and tourist maps use pictorial symbols to help users quickly and easily identify Points of Interest (POIs). Pictorial symbols are sometimes misinterpreted due to poor design choices. As a result, it is important to evaluate pictorial symbo...

(This article belongs to the Special Issue Cartography and Geovisual Analytics)
  • Article
  • Open Access
10 Citations
4,172 Views
17 Pages

Region-Based Static Video Stitching for Reduction of Parallax Distortion

  • Keon-woo Park,
  • Yoo-Jeong Shim and
  • Myeong-jin Lee

10 June 2021

In this paper, we propose a semantic segmentation-based static video stitching method to reduce parallax and misalignment distortion for sports stadium scenes with dynamic foreground objects. First, video frame pairs for stitching are divided into se...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
16 Citations
5,455 Views
21 Pages

RTSDM: A Real-Time Semantic Dense Mapping System for UAVs

  • Zhiteng Li,
  • Jiannan Zhao,
  • Xiang Zhou,
  • Shengxian Wei and ,
  • Pei Li and
  • Feng Shuang
  • + 1 author+ 0 author

18 April 2022

Intelligent drones or flying robots play a significant role in serving our society in applications such as rescue, inspection, agriculture, etc. Understanding the scene of the surroundings is an essential capability for further autonomous tasks. Intu...

(This article belongs to the Topic Motion Planning and Control for Robotics)
  • Article
  • Open Access
5 Citations
1,702 Views
21 Pages

24 April 2025

Left ventricular ejection fraction (LVEF) is a critical indicator for assessing cardiac function and diagnosing heart disease. LVEF can be derived by estimating the left ventricular volume from end-systolic and end-diastolic frames through echocardio...

(This article belongs to the Special Issue Transformer-Based Deep Learning in Medical Imaging and Healthy Sensors)
  • Article
  • Open Access
9 Citations
2,413 Views
13 Pages

13 July 2024

The lack of spatial pose information and the low positioning accuracy of the picking target are the key factors affecting the picking function of citrus-picking robots. In this paper, a new method for automatic citrus fruit harvest is proposed, which...

(This article belongs to the Section Food Security and Sustainability)
  • Article
  • Open Access
20 Citations
8,006 Views
16 Pages

OpenEDS2020 Challenge on Gaze Tracking for VR: Dataset and Results

  • Cristina Palmero,
  • Abhishek Sharma,
  • Karsten Behrendt,
  • Kapil Krishnakumar and ,
  • Oleg V. Komogortsev and
  • Sachin S. Talathi
  • + 1 author+ 0 author

13 July 2021

This paper summarizes the OpenEDS 2020 Challenge dataset, the proposed baselines, and results obtained by the top three winners of each competition: (1) Gaze prediction Challenge, with the goal of predicting the gaze vector 1 to 5 frames into the fut...

(This article belongs to the Special Issue Eye Tracking Techniques, Applications, and Challenges)
  • Article
  • Open Access
1 Citations
1,439 Views
22 Pages

8 August 2025

We consider restricted forms of the algorithmic problem of definability of first-order sentences by propositional formulas with intuitionistic Kripke frames semantics. We demonstrate positive resolutions for classes of intuitionistic Kripke frames ba...

(This article belongs to the Section Logic)
  • Article
  • Open Access
2 Citations
1,738 Views
17 Pages

Event-Oriented State Alignment Network for Weakly Supervised Temporal Language Grounding

  • Hongzhou Wu,
  • Xiang Zhang,
  • Tao Tang,
  • Canqun Yang and
  • Zhigang Luo

27 August 2024

Weakly supervised temporal language grounding (TLG) aims to locate events in untrimmed videos based on natural language queries without temporal annotations, necessitating a deep understanding of semantic context across both video and text modalities...

(This article belongs to the Section Signal and Data Analysis)
  • Article
  • Open Access
1 Citations
875 Views
18 Pages

The core challenge in video-text retrieval lies in measuring the cross-modal gap between visual and linguistic representations. While mainstream methods leverage deep learning to project video and text features into a shared space for similarity matc...

(This article belongs to the Section Computer Science & Engineering)
  • Letter
  • Open Access
3 Citations
3,094 Views
12 Pages

28 August 2020

Recent advances in object tracking based on deep Siamese networks shifted the attention away from correlation filters. However, the Siamese network alone does not have as high accuracy as state-of-the-art correlation filter-based trackers, whereas co...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
81 Citations
9,122 Views
25 Pages

DGS-SLAM: A Fast and Robust RGBD SLAM in Dynamic Environments Combined by Geometric and Semantic Information

  • Li Yan,
  • Xiao Hu,
  • Leyang Zhao,
  • Yu Chen and ,
  • Pengcheng Wei and
  • Hong Xie
  • + 1 author+ 0 author

8 February 2022

Visual Simultaneous Localization and Mapping (VSLAM) is a prerequisite for robots to accomplish fully autonomous movement and exploration in unknown environments. At present, many impressive VSLAM systems have emerged, but most of them rely on the st...

(This article belongs to the Special Issue Intelligent Perception in Urban Spaces from Photogrammetry and Remote Sensing)
  • Article
  • Open Access
8 Citations
4,120 Views
12 Pages

Development of the AI Pipeline for Corneal Opacity Detection

  • Kenji Yoshitsugu,
  • Eisuke Shimizu,
  • Hiroki Nishimura,
  • Rohan Khemlani and ,
  • Shintaro Nakayama and
  • Tadamasa Takemura
  • + 1 author+ 0 author

Ophthalmological services face global inadequacies, especially in low- and middle-income countries, which are marked by a shortage of practitioners and equipment. This study employed a portable slit lamp microscope with video capabilities and cloud s...

(This article belongs to the Special Issue Artificial Intelligence in Medical Image Processing and Segmentation, 2nd Edition)
  • Article
  • Open Access
2 Citations
3,472 Views
11 Pages

Extraction of Terms Related to Named Rivers

  • Juan Rojas-Garcia and
  • Pamela Faber

EcoLexicon is a terminological knowledge base on environmental science, whose design permits the geographic contextualization of data. For the geographic contextualization of landform concepts, this paper presents a semi-automatic method for extracti...

(This article belongs to the Special Issue Formal and Methodological Approaches to Applied Linguistics)
  • Article
  • Open Access
170 Views
27 Pages

14 October 2026

Online semantic Gaussian SLAM typically updates three-dimensional semantic maps using frame-wise predictions from two-dimensional semantic segmentation networks. However, occlusions, viewpoint changes, and object boundaries may introduce transient mi...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
1,603 Views
18 Pages

SATrack: Semantic-Aware Alignment Framework for Visual–Language Tracking

  • Yangyang Tian,
  • Liusen Xu,
  • Zhe Li,
  • Liang Jiang and ,
  • Cen Chen and
  • Huanlong Zhang
  • + 1 author+ 0 author

4 October 2025

Visual–language tracking often faces challenges like target deformation and confusion caused by similar objects. These issues can disrupt the alignment between visual inputs and their textual descriptions, leading to cross-modal semantic drift...

(This article belongs to the Section Electrical and Autonomous Vehicles)
  • Feature Paper
  • Article
  • Open Access
7 Citations
3,759 Views
19 Pages

Speeding Up Semantic Instance Segmentation by Using Motion Information

  • Otilia Zvorișteanu,
  • Simona Caraiman and
  • Vasile-Ion Manta

6 July 2022

Environment perception and understanding represent critical aspects in most computer vision systems and/or applications. State-of-the-art techniques to solve this vision task (e.g., semantic instance segmentation) require either dedicated hardware re...

  • Article
  • Open Access
7 Citations
4,082 Views
23 Pages

17 June 2020

The foreground segmentation method is a crucial first step for many video analysis methods such as action recognition and object tracking. In the past five years, convolutional neural network based foreground segmentation methods have made a great br...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
1,083 Views
17 Pages

Spatiotemporal Contextual 3D Semantic Segmentation for Intelligent Outdoor Mining

  • Wenhao Yang,
  • Liqun Kuang,
  • Song Wang,
  • Xie Han and ,
  • Rong Guo,
  • Yongpeng Wang,
  • Haifeng Yue and
  • Tao Wei
  • + 3 authors+ 0 author

24 June 2025

Three-dimensional semantic segmentation plays a crucial role in accurately identifying terrain features and objects by effectively extracting 3D spatial information from the environment. However, the inherent sparsity of point clouds and unclear terr...

  • Article
  • Open Access
2 Citations
2,663 Views
18 Pages

11 February 2024

This paper introduces ‘SkeletonCLIP++’, an extension of our prior work in human action recognition, emphasizing the use of semantic information beyond traditional label-based methods. The innovation, ‘Weighted Frame Integration&rsqu...

(This article belongs to the Special Issue Smart Sensing Technology for Human Activity Recognition)
  • Article
  • Open Access
1 Citations
4,088 Views
17 Pages

27 April 2024

In order to enhance the matting performance in multi-person dynamic scenarios, we introduce a robust, real-time, high-resolution, and controllable human video matting method that achieves state of the art on all metrics. Unlike most existing methods...

(This article belongs to the Special Issue Computer Vision and Virtual Reality: Technologies and Applications)
  • Article
  • Open Access
1 Citations
2,074 Views
21 Pages

E-Sem3DGS: Monocular Human and Scene Reconstruction via Event-Aided Semantic 3DGS

  • Xiaoting Yin,
  • Hao Shi,
  • Kailun Yang,
  • Jiajun Zhai and ,
  • Shangwei Guo and
  • Kaiwei Wang
  • + 1 author+ 0 author

27 December 2025

Reconstructing animatable humans, together with their surrounding static environments, from monocular, motion-blurred videos is still challenging for current neural rendering methods. Existing monocular human reconstruction approaches achieve impress...

(This article belongs to the Special Issue Sensors for Object Detection, Pose Estimation, and 3D Reconstruction)
  • Article
  • Open Access
3 Citations
3,019 Views
20 Pages

31 May 2022

Video question answering (QA) aims to understand the video scene and underlying plot by answering video questions. An algorithm that can competently cope with this task needs to be able to: (1) collect multi-modal information scattered in the video f...

(This article belongs to the Special Issue Symmetry and Applications in Cognitive Robotics)
  • Article
  • Open Access
1 Citations
1,119 Views
22 Pages

4 December 2025

In the energy industry, like industrial monitoring scenarios, using generative AI for video captioning technology is crucial in event understanding and safety analysis. Current approaches typically rely on a single language model to decode visual sem...

  • Article
  • Open Access
726 Views
46 Pages

1 July 2026

Product recognition in e-commerce live streaming is hindered by rapid viewpoint changes, occlusions, motion blur, and inconsistencies between visual and spoken information. Existing approaches typically focus on individual components such as detectio...

(This article belongs to the Special Issue Innovative Applications of Artificial Intelligence in Engineering, Second Edition)
  • Article
  • Open Access
4 Citations
4,186 Views
18 Pages

Adaptive Temporal Action Localization in Video

  • Zhiyu Xu,
  • Zhuqiang Lu,
  • Yong Ding,
  • Liwei Tian and
  • Suping Liu

Temporal action localization aims to identify the boundaries of the action of interest in a video. Most existing methods take a two-stage approach: first, identify a set of action proposals; then, based on this set, determine the accurate temporal lo...

(This article belongs to the Special Issue Applications of Artificial Intelligence in Image and Video Processing)
  • Article
  • Open Access
1 Citations
3,094 Views
15 Pages

5 January 2024

In this paper, first, we delved into the experiment by comparing various attention mechanisms in the semantic pixel-wise segmentation framework to perform frame-level transcription tasks. Second, the Viterbi algorithm was utilized by transferring the...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
3 Citations
1,414 Views
12 Pages

Loss Function Optimization Method and Unsupervised Extraction Approach D-DBSCAN for Improving the Moving Target Perception of 3D Imaging Sonar

  • Jingfeng Yu,
  • Aigen Huang,
  • Zhongju Sun,
  • Rui Huang and ,
  • Gao Huang and
  • Qianchuan Zhao
  • + 1 author+ 0 author

Imaging sonar is a crucial tool for underwater visual perception. Compared to 2D sonar images, 3D sonar images offer superior spatial positioning capabilities, although the data acquisition cost is higher and lacks open source references for data ann...

(This article belongs to the Section Ocean Engineering)

of 12