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This study investigates the key characteristics and suitability of widely used Facial Expression Recognition (FER) datasets for training deep learning models. In the field of affective computing, FER is essential for interpreting human…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 F. Xavier Gaya-Morey , Cristina Manresa-Yee , Célia Martinie , Jose M. Buades-Rubio

Humans are able to comprehend information from multiple domains for e.g. speech, text and visual. With advancement of deep learning technology there has been significant improvement of speech recognition. Recognizing emotion from speech is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-16 Mandeep Singh , Yuan Fang

Automated Facial Expression Recognition (FER) is challenging due to intra-class variations and inter-class similarities. FER can be especially difficult when facial expressions reflect a mixture of various emotions (aka compound…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Ali Pourramezan Fard , Mohammad Mehdi Hosseini , Timothy D. Sweeny , Mohammad H. Mahoor

With the popularity of commercial wireless devices, the research based on RF signal has developed rapidly in the past decade. RF signals have great advantages in environmental perception. Wireless signals are transmitted through the…

Networking and Internet Architecture · Computer Science 2022-03-24 Jiaren Xiao

AI-based sensing at wireless edge devices has the potential to significantly enhance Artificial Intelligence (AI) applications, particularly for vision and perception tasks such as in autonomous driving and environmental monitoring. AI…

Information Theory · Computer Science 2026-01-29 Mohamed Seif , Malcolm Egan , Andrea J. Goldsmith , H. Vincent Poor

Facial expression recognition (FER) algorithms classify facial expressions into emotions such as happy, sad, or angry. An evaluative challenge facing FER algorithms is the fall in performance when detecting spontaneous expressions compared…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Rina Khan , Catherine Stinson

Face detection, as a fundamental technology for various applications, is always deployed on edge devices which have limited memory storage and low computing power. This paper introduces a Light and Fast Face Detector (LFFD) for edge…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Yonghao He , Dezhong Xu , Lifang Wu , Meng Jian , Shiming Xiang , Chunhong Pan

The last mile connection is dominated by wireless links where heterogeneous nodes share the limited and already crowded electromagnetic spectrum. Current contention based decentralized wireless access system is reactive in nature to…

Networking and Internet Architecture · Computer Science 2020-02-03 Shuvam Chakraborty , Hesham Mohammed , Dola Saha

Emotion recognition in real-world environments is hindered by partial occlusions, missing modalities, and severe class imbalance. To address these issues, particularly for the Affective Behavior Analysis in-the-wild (ABAW) Expression…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Jun Yu , Naixiang Zheng , Guoyuan Wang , Yunxiang Zhang , Lingsi Zhu , Jiaen Liang , Wei Huang , Shengping Liu

Facial Expression Recognition (FER) plays a crucial role in human affective analysis and has been widely applied in computer vision tasks such as human-computer interaction and psychological assessment. The 8th Affective Behavior Analysis…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 JunGyu Lee , Kunyoung Lee , Haesol Park , Ig-Jae Kim , Gi Pyo Nam

In the era of advanced artificial intelligence and human-computer interaction, identifying emotions in spoken language is paramount. This research explores the integration of deep learning techniques in speech emotion recognition, offering…

Sound · Computer Science 2023-10-20 Hanan Hamza , Fiza Gafoor , Fathima Sithara , Gayathri Anil , V. S. Anoop

In this article we present SHARP, an original approach for obtaining human activity recognition (HAR) through the use of commercial IEEE 802.11 (Wi-Fi) devices. SHARP grants the possibility to discern the activities of different persons,…

Signal Processing · Electrical Eng. & Systems 2022-11-08 Francesca Meneghello , Domenico Garlisi , Nicolò Dal Fabbro , Ilenia Tinnirello , Michele Rossi

This study introduces LRDif, a novel diffusion-based framework designed specifically for facial expression recognition (FER) within the context of under-display cameras (UDC). To address the inherent challenges posed by UDC's image…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Zhifeng Wang , Kaihao Zhang , Ramesh Sankaranarayana

The emerging vehicular connected applications, such as cooperative automated driving and intersection collision warning, show great potentials to improve the driving safety, where vehicles can share the data collected by a variety of…

Networking and Internet Architecture · Computer Science 2022-12-27 Haoxin Wang , Jiang Xie , Muhana Magboul Ali Muslam

Affective states have a critical role in driving performance and safety. They can degrade driver situation awareness and negatively impact cognitive processes, severely diminishing road safety. Therefore, detecting and assessing drivers'…

Machine Learning · Computer Science 2019-07-24 Daniel Lopez-Martinez , Neska El-Haouij , Rosalind Picard

The ability to monitor ambient characteristics, interact with them, and derive information about the surroundings has been made possible by the rapid proliferation of edge sensing devices like IoT, mobile, and wearable devices and their…

Machine Learning · Computer Science 2023-11-03 Berrenur Saylam , Özlem Durmaz İncel

Emotion recognition aims to interpret the emotional states of a person based on various inputs including audio, visual, and textual cues. This paper focuses on emotion recognition using visual features. To leverage the correlation between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Akshita Mittel , Shashank Tripathi

Humans modify their facial expressions in order to communicate their internal states and sometimes to mislead observers regarding their true emotional states. Evidence in experimental psychology shows that discriminative facial responses…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Kaustubh Kulkarni , Ciprian Adrian Corneanu , Ikechukwu Ofodile , Sergio Escalera , Xavier Baro , Sylwia Hyniewska , Juri Allik , Gholamreza Anbarjafari

This study takes a preliminary step toward teaching computers to recognize human emotions through Facial Emotion Recognition (FER). Transfer learning is applied using ResNeXt, EfficientNet models, and an ArcFace model originally trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Dylan Waldner , Shyamal Mitra

Artificial intelligence (AI) has achieved remarkable breakthroughs in a wide range of fields, ranging from speech processing, image classification to drug discovery. This is driven by the explosive growth of data, advances in machine…

Information Theory · Computer Science 2024-10-30 Yuanming Shi , Kai Yang , Tao Jiang , Jun Zhang , Khaled B. Letaief