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Despite being the appearance-based classifier of choice in recent years, relatively few works have examined how much convolutional neural networks (CNNs) can improve performance on accepted expression recognition benchmarks and, more…

Computer Vision and Pattern Recognition · Computer Science 2017-03-17 Pooya Khorrami , Tom Le Paine , Thomas S. Huang

Detecting emotions directly from a speech signal plays an important role in effective human-computer interactions. Existing speech emotion recognition models require massive computational and storage resources, making them hard to implement…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-08 Arya Aftab , Alireza Morsali , Shahrokh Ghaemmaghami , Benoit Champagne

While recent advances in deep learning have led to significant improvements in facial expression classification (FEC), a major challenge that remains a bottleneck for the widespread deployment of such systems is their high architectural and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 James Ren Hou Lee , Linda Wang , Alexander Wong

This paper has proposed a new baseline deep learning model of more benefits for image classification. Different from the convolutional neural network(CNN) practice where filters are trained by back propagation to represent different…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Yifei Li , Kuangyan Song , Yiming Sun , Liao Zhu

Face representation is a crucial step of face recognition systems. An optimal face representation should be discriminative, robust, compact, and very easy-to-implement. While numerous hand-crafted and learning-based representations have…

Computer Vision and Pattern Recognition · Computer Science 2014-03-13 Haoqiang Fan , Zhimin Cao , Yuning Jiang , Qi Yin , Chinchilla Doudou

Face recognition has already been well studied under the visible light and the infrared,in both intra-spectral and cross-spectral cases. However, how to fuse different light bands, i.e., hyperspectral face recognition, is still an open…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Zhicheng Cao , Xi Cen , Liaojun Pang

Existing methods for driver facial expression recognition (DFER) are often computationally intensive, rendering them unsuitable for real-time applications. In this work, we introduce a novel transfer learning-based dual architecture, named…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Ibtissam Saadi , Douglas W. Cunningham , Taleb-ahmed Abdelmalik , Abdenour Hadid , Yassin El Hillali

Recently, deep learning based facial expression recognition (FER) methods have attracted considerable attention and they usually require large-scale labelled training data. Nonetheless, the publicly available facial expression databases…

Computer Vision and Pattern Recognition · Computer Science 2020-02-07 Yan Yan , Ying Huang , Si Chen , Chunhua Shen , Hanzi Wang

Facial landmark detection is a crucial prerequisite for many face analysis applications. Deep learning-based methods currently dominate the approach of addressing the facial landmark detection. However, such works generally introduce a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Yang Zhao , Yifan Liu , Chunhua Shen , Yongsheng Gao , Shengwu Xiong

In many domains, including online education, healthcare, security, and human-computer interaction, facial emotion recognition (FER) is essential. Real-world FER is still difficult despite its significance because of some factors such as…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Deeptimaan Banerjee , Prateek Gothwal , Ashis Kumer Biswas

Facial expression recognition (FER) aims to analyze emotional states from static images and dynamic sequences, which is pivotal in enhancing anthropomorphic communication among humans, robots, and digital avatars by leveraging AI…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Yan Wang , Shaoqi Yan , Yang Liu , Wei Song , Jing Liu , Yang Chang , Xinji Mai , Xiping Hu , Wenqiang Zhang , Zhongxue Gan

The use of deep learning techniques for automatic facial expression recognition has recently attracted great interest but developed models are still unable to generalize well due to the lack of large emotion datasets for deep learning. To…

Computer Vision and Pattern Recognition · Computer Science 2018-05-28 Dung Nguyen , Kien Nguyen , Sridha Sridharan , Iman Abbasnejad , David Dean , Clinton Fookes

Face recognition (FR) is the most preferred mode for biometric-based surveillance, due to its passive nature of detecting subjects, amongst all different types of biometric traits. FR under surveillance scenario does not give satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2016-10-28 Samik Banerjee , Sukhendu Das

Facial expression recognition (FER) is still one challenging research due to the small inter-class discrepancy in the facial expression data. In view of the significance of facial crucial regions for FER, many existing researches utilize…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Guanghui Shi , Shasha Mao , Shuiping Gou , Dandan Yan , Licheng Jiao , Lin Xiong

The transfer of facial expressions from people to 3D face models is a classic computer graphics problem. In this paper, we present a novel, learning-based approach to transferring facial expressions and head movements from images and videos…

Graphics · Computer Science 2021-11-15 Xiao S. Zeng , Surya Dwarakanath , Wuyue Lu , Masaki Nakada , Demetri Terzopoulos

Facial expression recognition is vital for human behavior analysis, and deep learning has enabled models that can outperform humans. However, it is unclear how closely they mimic human processing. This study aims to explore the similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 F. Xavier Gaya-Morey , Silvia Ramis-Guarinos , Cristina Manresa-Yee , Jose M. Buades-Rubio

Facial Expression Recognition faces two core challenges. The first is class imbalance in public datasets, which skews the learning process and weakens generalization. The second is related to privacy and data collection constraints, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ali Azmoudeh , Erdi Sarıtaş , Ömer Yıldırım , Hazım Kemal Ekenel

Due to the subjective crowdsourcing annotations and the inherent inter-class similarity of facial expressions, the real-world Facial Expression Recognition (FER) datasets usually exhibit ambiguous annotation. To simplify the learning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Weijie Wang , Bo Li , Nicu Sebe , Bruno Lepri

Facial expression recognition (FER) models are typically trained on datasets with a fixed number of seven basic classes. However, recent research works point out that there are far more expressions than the basic ones. Thus, when these…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Yuhang Zhang , Yue Yao , Xuannan Liu , Lixiong Qin , Wenjing Wang , Weihong Deng

This paper presents an extensive exploration and comparative analysis of lightweight face recognition (FR) models, specifically focusing on MobileFaceNet and its modified variant, MMobileFaceNet. The need for efficient FR models on devices…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Ahmad Hassanpour , Yasamin Kowsari