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72 Results Found

  • Article
  • Open Access
1 Citations
2,942 Views
17 Pages

Secure Audio-Visual Data Exchange for Android In-Vehicle Ecosystems

  • Alfred Anistoroaei,
  • Adriana Berdich,
  • Patricia Iosif and
  • Bogdan Groza

6 October 2021

Mobile device pairing inside vehicles is a ubiquitous task which requires easy to use and secure solutions. In this work we exploit the audio-video domain for pairing devices inside vehicles. In principle, we rely on the widely used elliptical curve...

(This article belongs to the Topic Internet of Things: Latest Advances)
  • Article
  • Open Access
2 Citations
4,749 Views
13 Pages

This article describes the development of the digital infrastructure at a research data centre for audio-visual linguistic research data, the Hamburg Centre for Language Corpora (HZSK) at the University of Hamburg in Germany, over the past ten years....

(This article belongs to the Special Issue 14th International Conference on Open Repositories 2019 – All The User Needs)
  • Article
  • Open Access
1,249 Views
16 Pages

15 October 2025

Conventional audio and video codecs are designed for human perception, often discarding subtle spectral cues that are essential for machine-based analysis. To overcome this limitation, we propose a machine-oriented compression framework that reinterp...

(This article belongs to the Special Issue Visual Attributes in Computer Vision Applications)
  • Article
  • Open Access
10 Citations
13,024 Views
30 Pages

Perceptual Quality of Audio-Visual Content with Common Video and Audio Degradations

  • Helard Becerra Martinez,
  • Andrew Hines and
  • Mylène C. Q. Farias

23 June 2021

Audio-visual quality assessment remains as a complex research field. A great effort is being made to understand how visual and auditory domains are integrated and processed by humans. In this work, we analyzed and compared the results of three psycho...

(This article belongs to the Special Issue Research on Multimedia Systems)
  • Article
  • Open Access
576 Views
26 Pages

Audio-visual deepfake detection remains challenging under cross-dataset distribution shift, especially when the source-domain training data are severely imbalanced. Existing middle-fusion detectors often rely on softmax-based cross-attention, which c...

(This article belongs to the Special Issue Cybersecurity and Resilience in IoT and Distributed Networks (Including AI‑Enabled Approaches))
  • Article
  • Open Access
22 Citations
7,113 Views
12 Pages

7 February 2023

This paper investigates multimodal sensor architectures with deep learning for audio-visual speech recognition, focusing on in-the-wild scenarios. The term “in the wild” is used to describe AVSR for unconstrained natural-language audio st...

(This article belongs to the Section Environmental Sensing)
  • Article
  • Open Access
14 Citations
8,528 Views
16 Pages

Research on Robust Audio-Visual Speech Recognition Algorithms

  • Wenfeng Yang,
  • Pengyi Li,
  • Wei Yang,
  • Yuxing Liu,
  • Yulong He,
  • Ovanes Petrosian and
  • Aleksandr Davydenko

5 April 2023

Automatic speech recognition (ASR) that relies on audio input suffers from significant degradation in noisy conditions and is particularly vulnerable to speech interference. However, video recordings of speech capture both visual and audio signals, p...

(This article belongs to the Special Issue Application of Mathematical Methods in Artificial Intelligence)
  • Article
  • Open Access
13 Citations
4,682 Views
13 Pages

9 August 2020

Deep learning (DL) models have emerged in recent years as the state-of-the-art technique across numerous machine learning application domains. In particular, image processing-related tasks have seen a significant improvement in terms of performance d...

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

16 February 2026

Audio–visual learning seeks to achieve holistic scene understanding by integrating auditory and visual cues. Early research focused on fully fine-tuning pre-trained models, incurring high computational costs. Consequently, recent studies have a...

(This article belongs to the Special Issue Deep Learning Technologies and Their Applications in Image Processing, Computer Vision, and Computational Intelligence)
  • Article
  • Open Access
3 Citations
1,524 Views
17 Pages

18 September 2025

Active Speaker Localization (ASL) involves identifying both who is speaking and where they are speaking from within audiovisual content. This capability is crucial in constrained and acoustically challenging environments, such as aircraft cabins duri...

(This article belongs to the Special Issue Advanced Biomedical Imaging and Signal Processing)
  • Article
  • Open Access
3 Citations
1,218 Views
20 Pages

4 December 2025

The cultivation of aesthetic appreciation through engagement with exemplary artworks constitutes a fundamental pillar in fostering children’s cognitive and emotional development, while simultaneously facilitating multidimensional learning exper...

(This article belongs to the Section Cognition)
  • Article
  • Open Access
10 Citations
6,987 Views
20 Pages

Developing a Dataset of Audio Features to Classify Emotions in Speech

  • Alvaro A. Colunga-Rodriguez,
  • Alicia Martínez-Rebollar,
  • Hugo Estrada-Esquivel,
  • Eddie Clemente and
  • Odette A. Pliego-Martínez

Emotion recognition in speech has gained increasing relevance in recent years, enabling more personalized interactions between users and automated systems. This paper presents the development of a dataset of features obtained from RAVDESS (Ryerson Au...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
5 Citations
9,100 Views
13 Pages

The seemingly overnight emergence of a form of promotion known as ‘book trailers’ shortly after the turn of the millennium suggests a shift in the marketing and promotional strategies employed within the publishing industry. This article follows the...

(This article belongs to the Special Issue Digital Publishing - Transformations)
  • Article
  • Open Access
25 Citations
7,583 Views
23 Pages

19 October 2023

This paper proposes a novel multimodal generative adversarial network AVSR (multimodal AVSR GAN) architecture, to improve both the energy efficiency and the AVSR classification accuracy of artificial intelligence Internet of things (IoT) applications...

(This article belongs to the Special Issue Blending Artificial Intelligence and Machine Learning with the Internet of Things: Emerging Trends, Issues and Challenges)
  • Review
  • Open Access
2 Citations
1,807 Views
29 Pages

16 November 2025

Translation-based Video Synthesis (TVS) has emerged as a transformative technology that enables sophisticated manipulation and generation of dynamic visual content. This comprehensive survey systematically examines the evolution of TVS methodologies,...

(This article belongs to the Special Issue Computer and Multimedia Technology)
  • Article
  • Open Access
63 Citations
8,236 Views
19 Pages

Automatic Detection and Classification of Audio Events for Road Surveillance Applications

  • Noor Almaadeed,
  • Muhammad Asim,
  • Somaya Al-Maadeed,
  • Ahmed Bouridane and
  • Azeddine Beghdadi

6 June 2018

This work investigates the problem of detecting hazardous events on roads by designing an audio surveillance system that automatically detects perilous situations such as car crashes and tire skidding. In recent years, research has shown several visu...

(This article belongs to the Special Issue Sensor Signal and Information Processing)
  • Article
  • Open Access
77 Citations
9,815 Views
19 Pages

SpeakingFaces: A Large-Scale Multimodal Dataset of Voice Commands with Visual and Thermal Video Streams

  • Madina Abdrakhmanova,
  • Askat Kuzdeuov,
  • Sheikh Jarju,
  • Yerbolat Khassanov,
  • Michael Lewis and
  • Huseyin Atakan Varol

16 May 2021

We present SpeakingFaces as a publicly-available large-scale multimodal dataset developed to support machine learning research in contexts that utilize a combination of thermal, visual, and audio data streams; examples include human–computer interact...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
4 Citations
1,579 Views
21 Pages

6 November 2025

With the widespread use of audio editing software and artificial intelligence, it has become very easy to forge audio files. One type of these forgeries is copy-move forgery, which is achieved by copying a segment from an audio file and placing it in...

(This article belongs to the Special Issue Multimedia Smart Security)
  • Article
  • Open Access
3 Citations
2,342 Views
41 Pages

STREAM: A Semantic Transformation and Real-Time Educational Adaptation Multimodal Framework in Personalized Virtual Classrooms

  • Leyli Nouraei Yeganeh,
  • Yu Chen,
  • Nicole Scarlett Fenty,
  • Amber Simpson and
  • Mohsen Hatami

5 December 2025

Most adaptive learning systems personalize around content sequencing and difficulty adjustment rather than transforming instructional material within the lesson itself. This paper presents the STREAM (Semantic Transformation and Real-Time Educational...

(This article belongs to the Special Issue Virtual Reality and Metaverse: Impact on the Digital Transformation of Society—3rd Edition)
  • Article
  • Open Access
1 Citations
3,532 Views
19 Pages

12 April 2023

Modern developments in machine learning methodology have produced effective approaches to speech emotion recognition. The field of data mining is widely employed in numerous situations where it is possible to predict future outcomes by using the inpu...

(This article belongs to the Collection Natural Language Processing and Applications: Challenges and Perspectives)
  • Article
  • Open Access
7 Citations
3,103 Views
38 Pages

Audio Steganalysis Estimation with the Goertzel Algorithm

  • Blanca E. Carvajal-Gámez,
  • Miguel A. Castillo-Martínez,
  • Luis A. Castañeda-Briones,
  • Francisco J. Gallegos-Funes and
  • Manuel A. Díaz-Casco

10 July 2024

Audio steganalysis has been little explored due to its complexity and randomness, which complicate the analysis. Audio files generate marks in the frequency domain; these marks are known as fingerprints and make the files unique. This allows us to di...

(This article belongs to the Special Issue Advances in Security, Trust and Privacy in Internet of Things)
  • Review
  • Open Access
1 Citations
2,037 Views
22 Pages

Talking Head Generation (THG) is a rapidly advancing field at the intersection of computer vision, deep learning, and speech synthesis, enabling the creation of animated human-like heads that can produce speech and express emotions with high visual r...

(This article belongs to the Special Issue AI-Driven Multimodal Image and Video Processing: Advances and Applications)
  • Article
  • Open Access
26 Citations
10,592 Views
14 Pages

Emotion Recognition from Speech Using the Bag-of-Visual Words on Audio Segment Spectrograms

  • Evaggelos Spyrou,
  • Rozalia Nikopoulou,
  • Ioannis Vernikos and
  • Phivos Mylonas

It is noteworthy nowadays that monitoring and understanding a human’s emotional state plays a key role in the current and forthcoming computational technologies. On the other hand, this monitoring and analysis should be as unobtrusive as possib...

(This article belongs to the Special Issue The PErvasive Technologies Related to Assistive Environments (PETRA))
  • Review
  • Open Access
39 Citations
19,290 Views
89 Pages

The revolutionary breakthroughs in Machine Learning (ML) and Artificial Intelligence (AI) are extensively being harnessed across a diverse range of domains, e.g., forensic science, healthcare, virtual assistants, cybersecurity, and robotics. On the f...

(This article belongs to the Special Issue Human and Technical Drivers of Cybercrime)
  • Article
  • Open Access
17 Citations
3,628 Views
12 Pages

A Deep Reinforcement Learning Quality Optimization Framework for Multimedia Streaming over 5G Networks

  • Alberto del Río,
  • Javier Serrano,
  • David Jimenez,
  • Luis M. Contreras and
  • Federico Alvarez

14 October 2022

Media applications are amongst the most demanding services. They require high amounts of network capacity as well as computational resources for synchronous high-quality audio–visual streaming. Recent technological advances in the domain of new...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
12 Citations
5,227 Views
18 Pages

In this paper, we propose a novel speech enhancement method based on dual-tree complex wavelet transforms (DTCWT) and nonnegative matrix factorization (NMF) that exploits the subband smooth ratio mask (ssRM) through a joint learning process. The disc...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
15 Citations
5,187 Views
14 Pages

15 September 2023

During the last few years, several technological advances have led to an increase in the creation and consumption of audiovisual multimedia content. Users are overexposed to videos via several social media or video sharing websites and mobile phone a...

(This article belongs to the Special Issue Artificial Intelligence Models, Tools and Applications with A Social and Semantic Impact)
  • Article
  • Open Access
1 Citations
1,171 Views
20 Pages

Automatic Music Transcription (AMT) for piano is difficult for audio-only systems due to dense polyphony, resonance, and reverberation, which lead to false positives and unstable onset decisions. We present a multimodal AMT framework that fuses Omniz...

(This article belongs to the Special Issue Next-Generation Machine Learning and Deep Learning Models for Complex Data, Vision, and Intelligent Applications)
  • Article
  • Open Access
8 Citations
3,838 Views
31 Pages

Artificial emotional intelligence is a sub-domain of human–computer interaction research that aims to develop deep learning models capable of detecting and interpreting human emotional states through various modalities. A major challenge in thi...

  • Article
  • Open Access
13 Citations
3,816 Views
25 Pages

14 September 2023

Emotion recognition is crucial in understanding human affective states with various applications. Electroencephalography (EEG)—a non-invasive neuroimaging technique that captures brain activity—has gained attention in emotion recognition....

(This article belongs to the Section Cognitive, Social and Affective Neuroscience)
  • Article
  • Open Access
56 Citations
7,162 Views
21 Pages

Visual Sentiment Analysis from Disaster Images in Social Media

  • Syed Zohaib Hassan,
  • Kashif Ahmad,
  • Steven Hicks,
  • Pål Halvorsen,
  • Ala Al-Fuqaha,
  • Nicola Conci and
  • Michael Riegler

10 May 2022

The increasing popularity of social networks and users’ tendency towards sharing their feelings, expressions, and opinions in text, visual, and audio content have opened new opportunities and challenges in sentiment analysis. While sentiment an...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
6 Citations
11,664 Views
23 Pages

Modeling the Development of Audiovisual Cue Integration in Speech Perception

  • Laura M. Getz,
  • Elke R. Nordeen,
  • Sarah C. Vrabic and
  • Joseph C. Toscano

Adult speech perception is generally enhanced when information is provided from multiple modalities. In contrast, infants do not appear to benefit from combining auditory and visual speech information early in development. This is true despite the fa...

(This article belongs to the Special Issue Audiovisual Integration in Early Language Development)
  • Article
  • Open Access
436 Views
20 Pages

18 June 2026

Sound event detection models commonly rely on spectrogram representations of audio signals and recent approaches have adapted image-based object detection architectures to acoustic domains. This paradigm is suitable for respiratory monitoring, where...

(This article belongs to the Topic Signal Analysis and Biomedical Imaging for Precision Medicine)
  • Article
  • Open Access
14 Citations
6,024 Views
25 Pages

AttendAffectNet–Emotion Prediction of Movie Viewers Using Multimodal Fusion with Self-Attention

  • Ha Thi Phuong Thao,
  • B T Balamurali,
  • Gemma Roig and
  • Dorien Herremans

14 December 2021

In this paper, we tackle the problem of predicting the affective responses of movie viewers, based on the content of the movies. Current studies on this topic focus on video representation learning and fusion techniques to combine the extracted featu...

(This article belongs to the Special Issue Sensor Based Multi-Modal Emotion Recognition)
  • Article
  • Open Access
5 Citations
4,982 Views
30 Pages

17 January 2024

In environments characterised by noise or the absence of audio signals, visual cues, notably facial and lip movements, serve as valuable substitutes for missing or corrupted speech signals. In these scenarios, speech reconstruction can potentially ge...

(This article belongs to the Special Issue Advanced Technology in Speech and Acoustic Signal Processing)
  • Feature Paper
  • Article
  • Open Access
144 Citations
18,828 Views
14 Pages

22 January 2018

Convolutional Neural Networks (CNN) have been applied to diverse machine learning tasks for different modalities of raw data in an end-to-end fashion. In the audio domain, a raw waveform-based approach has been explored to directly learn hierarchical...

(This article belongs to the Special Issue Sound and Music Computing)
  • Systematic Review
  • Open Access
14 Citations
10,612 Views
20 Pages

2 September 2024

Artificial intelligence (AI) technologies have been increasingly developed and applied in the audiovisual sector. Over-the-top (OTT) services, directly distributed to viewers via the Internet, are associated with a shift towards automation through al...

(This article belongs to the Special Issue Journalism, Media, and Artificial Intelligence: Let Us Define the Journey)
  • Feature Paper
  • Review
  • Open Access
285 Citations
30,029 Views
29 Pages

Extended Reality in Spatial Sciences: A Review of Research Challenges and Future Directions

  • Arzu Çöltekin,
  • Ian Lochhead,
  • Marguerite Madden,
  • Sidonie Christophe,
  • Alexandre Devaux,
  • Christopher Pettit,
  • Oliver Lock,
  • Shashwat Shukla,
  • Lukáš Herman and
  • Nicholas Hedley
  • + 4 authors

This manuscript identifies and documents unsolved problems and research challenges in the extended reality (XR) domain (i.e., virtual (VR), augmented (AR), and mixed reality (MR)). The manuscript is structured to include technology, design, and human...

(This article belongs to the Special Issue State-of-the-Art in Spatial Information Science)
  • Article
  • Open Access
14 Citations
8,859 Views
16 Pages

29 September 2024

SecureVision is an advanced and trustworthy deepfake detection system created to tackle the growing threat of ‘deepfake’ movies that tamper with media, undermine public trust, and jeopardize cybersecurity. We present a novel approach that...

(This article belongs to the Special Issue Cybersecurity Attack and Defense in Wireless Sensors Networks)
  • Article
  • Open Access
11 Citations
4,190 Views
38 Pages

An Assistive Model for the Visually Impaired Integrating the Domains of IoT, Blockchain and Deep Learning

  • Shruti Jadon,
  • Saisamarth Taluri,
  • Sakshi Birthi,
  • Sanjana Mahesh,
  • Sankalp Kumar,
  • Sai Shruthi Shashidhar and
  • Prasad B. Honnavalli

23 August 2023

Internet of Things, blockchain and deep learning are emerging technologies that have recently gained popularity due to their various benefits and applications. All three domains have had success independently in various applications such as automatio...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
6 Citations
2,993 Views
10 Pages

Innovating Care in Multiple Sclerosis: Feasibility of Synchronous Internet-Based Teleconsultation for Longitudinal Clinical Monitoring

  • Nima Sadeghi,
  • Piet Eelen,
  • Guy Nagels,
  • Corinne Cuvelier,
  • Katinka Van Gils,
  • Marie B. D’hooghe,
  • Jeroen Van Schependom and
  • Miguel D’haeseleer

10 March 2022

The ‘coronavirus disease of 2019’ crisis has recently forced an expedited adoption of teleconsultation (TC) in most medical domains. Short-term digital interventions have generally been associated with feasibility, clinical benefits, user...

(This article belongs to the Special Issue Personalized Diagnosis and Therapy for Multiple Sclerosis)
  • Article
  • Open Access
6 Citations
13,296 Views
19 Pages

One of the most tangible effects of music is its ability to alter our perception of time. Research on waiting times and time estimation of musical excerpts has attested its veritable effects. Nevertheless, there exist contrasting results regarding se...

  • Article
  • Open Access
23 Citations
5,263 Views
25 Pages

11 December 2020

A rapidly increasing growth of social networks and the propensity of users to communicate their physical activities, thoughts, expressions, and viewpoints in text, visual, and audio material have opened up new possibilities and opportunities in senti...

(This article belongs to the Special Issue Sensor Data Fusion Based on Deep Learning for Computer Vision and Medical Applications)
  • Feature Paper
  • Article
  • Open Access
38 Citations
5,412 Views
22 Pages

MuMIA: Multimodal Interactions to Better Understand Art Contexts

  • George E. Raptis,
  • Giannis Kavvetsos and
  • Christina Katsini

17 March 2021

Cultural heritage is a challenging domain of application for novel interactive technologies, where varying aspects in the way that cultural assets are delivered play a major role in enhancing the visitor experience, either onsite or online. Technolog...

(This article belongs to the Special Issue AI and HCI Methods and Techniques for Cultural Heritage Curation, Exploration and Fruition)
  • Article
  • Open Access
8 Citations
11,483 Views
17 Pages

6 May 2015

This paper explores the central role of documentary filmmaking as a methodological practice in contemporary criminology. It draws from cultural criminology to develop emerging, open-ended practices for conducting ethnographically inflected audiovisua...

(This article belongs to the Special Issue Imaginative Criminology)
  • Article
  • Open Access
1,869 Views
18 Pages

Design of Identification System Based on Machine Tools’ Sounds Using Neural Networks

  • Fusaomi Nagata,
  • Tomoaki Morimoto,
  • Keigo Watanabe and
  • Maki K. Habib

15 October 2025

Recently, deep learning models such as convolutional neural networks (CNNs), convolutional autoencoders (CAEs), CNN-based support vector machines (SVMs), YOLO, fully convolutional networks (FCNs), fully convolutional data descriptions (FCDDs) and so...

(This article belongs to the Section Mechanical Engineering Design)
  • Article
  • Open Access
17 Citations
4,175 Views
11 Pages

Dietary Long-Chain Fatty Acids and Cognitive Performance in Older Australian Adults

  • Lesley MacDonald-Wicks,
  • Mark McEvoy,
  • Eliza Magennis,
  • Peter W. Schofield,
  • Amanda J. Patterson and
  • Karly Zacharia

27 March 2019

Convincing evidence exists for the positive effect of an improvement in diet quality on age-related cognitive decline, in part due to dietary fatty acid intake. A cross-sectional analysis of data from the Hunter Community Study (HCS) (n = 2750) was c...

(This article belongs to the Special Issue Diet and Mental Health)
  • Article
  • Open Access
246 Views
34 Pages

Modern deepfakes leave forensic traces across audio, visual, and cross-modal channels, yet contemporary detectors are monolithic transformer-based architectures whose post hoc explanations struggle to isolate modality-specific artefacts. We propose a...

(This article belongs to the Topic Learning to Live with Gen-AI)
  • Article
  • Open Access
42 Citations
9,097 Views
19 Pages

EmoTour: Estimating Emotion and Satisfaction of Users Based on Behavioral Cues and Audiovisual Data

  • Yuki Matsuda,
  • Dmitrii Fedotov,
  • Yuta Takahashi,
  • Yutaka Arakawa,
  • Keiichi Yasumoto and
  • Wolfgang Minker

15 November 2018

With the spread of smart devices, people may obtain a variety of information on their surrounding environment thanks to sensing technologies. To design more context-aware systems, psychological user context (e.g., emotional status) is a substantial f...

(This article belongs to the Special Issue Exploiting the IoT within Cyber Physical Social System)
  • Article
  • Open Access
24 Citations
7,962 Views
17 Pages

11 August 2014

Initially, infants are capable of discriminating phonetic contrasts across the world’s languages. Starting between seven and ten months of age, they gradually lose this ability through a process of perceptual narrowing. Although traditionally investi...

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