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We present a novel approach to mitigate bias in facial expression recognition (FER) models. Our method aims to reduce sensitive attribute information such as gender, age, or race, in the embeddings produced by FER models. We employ a kernel…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Mojtaba Kolahdouzi , Ali Etemad

A micro-expression is a spontaneous unconscious facial muscle movement that can reveal the true emotions people attempt to hide. Although manual methods have made good progress and deep learning is gaining prominence. Due to the short…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Fengping Wang , Jie Li , Chun Qi , Lin Wang , Pan Wang

Multi-focus image fusion (MFIF) aims to yield an all-focused image from multiple partially focused inputs, which is crucial in applications cover sur-veillance, microscopy, and computational photography. However, existing methods struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Haoyu Li , XiaoSong Li

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

Factorization machines (FMs) are machine learning predictive models based on second-order feature interactions and FMs with sparse regularization are called sparse FMs. Such regularizations enable feature selection, which selects the most…

Machine Learning · Statistics 2021-04-02 Kyohei Atarashi , Satoshi Oyama , Masahito Kurihara

Facial expression is a standout amongst the most imperative features of human emotion recognition. For demonstrating the emotional states facial expressions are utilized by the people. In any case, recognition of facial expressions has…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 S. D. Lalitha , K. K. Thyagharajan

The extensive research leveraging RGB-D information has been exploited in salient object detection. However, salient visual cues appear in various scales and resolutions of RGB images due to semantic gaps at different feature levels.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Ze-yu Liu , Jian-wei Liu , Xin Zuo , Ming-fei Hu

2D+3D facial expression recognition (FER) can effectively cope with illumination changes and pose variations by simultaneously merging 2D texture and more robust 3D depth information. Most deep learning-based approaches employ the simple…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Mingzhe Sui , Hanting Li , Zhaoqing Zhu , Feng Zhao

Emotions play a crucial role in human behavior and decision-making, making emotion recognition a key area of interest in human-computer interaction (HCI). This study addresses the challenges of emotion recognition by integrating facial…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Zaitian Wang , Jian He , Yu Liang , Xiyuan Hu , Tianhao Peng , Kaixin Wang , Jiakai Wang , Chenlong Zhang , Weili Zhang , Shuang Niu , Xiaoyang Xie

Diversity of the features extracted by deep neural networks is important for enhancing the model generalization ability and accordingly its performance in different learning tasks. Facial expression recognition in the wild has attracted…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Negar Heidari , Alexandros Iosifidis

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

An automatic Facial Expression Recognition (FER) model with Adaboost face detector, feature selection based on manifold learning and synergetic prototype based classifier has been proposed. Improved feature selection method and proposed…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Chendi Wang

In this paper, we propose an approach for Facial Expressions Recognition (FER) based on a deep multi-facial patches aggregation network. Deep features are learned from facial patches using deep sub-networks and aggregated within one deep…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Ahmed Rachid Hazourli , Amine Djeghri , Hanan Salam , Alice Othmani

Facial expression recognition (FER) systems raise significant privacy concerns due to the potential exposure of sensitive identity information. This paper presents a study on removing identity information while preserving FER capabilities.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Feng Xu , David Ahmedt-Aristizabal , Lars Petersson , Dadong Wang , Xun Li

Feature fusion, the combination of features from different layers or branches, is an omnipresent part of modern network architectures. It is often implemented via simple operations, such as summation or concatenation, but this might not be…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yimian Dai , Fabian Gieseke , Stefan Oehmcke , Yiquan Wu , Kobus Barnard

Facial expression recognition is an essential task for various applications, including emotion detection, mental health analysis, and human-machine interactions. In this paper, we propose a multi-modal facial expression recognition method…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jun-Hwa Kim , Namho Kim , Chee Sun Won

Few-shot classification is a challenging problem that aims to learn a model that can adapt to unseen classes given a few labeled samples. Recent approaches pre-train a feature extractor, and then fine-tune for episodic meta-learning. Other…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Philip Chikontwe , Soopil Kim , Sang Hyun Park

Federated Recommendation (FR) is a new learning paradigm to tackle the learn-to-rank problem in a privacy-preservation manner. How to integrate multi-modality features into federated recommendation is still an open challenge in terms of…

Information Retrieval · Computer Science 2026-03-02 Chunxu Zhang , Weipeng Zhang , Guodong Long , Zhiheng Xue , Riting Xia , Bo Yang

Generating multiple new concepts remains a challenging problem in the text-to-image task. Current methods often overfit when trained on a small number of samples and struggle with attribute leakage, particularly for class-similar subjects…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Gia-Nghia Tran , Quang-Huy Che , Trong-Tai Dam Vu , Bich-Nga Pham , Vinh-Tiep Nguyen , Trung-Nghia Le , Minh-Triet Tran

We propose a novel implicit feature refinement module for high-quality instance segmentation. Existing image/video instance segmentation methods rely on explicitly stacked convolutions to refine instance features before the final…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Lufan Ma , Tiancai Wang , Bin Dong , Jiangpeng Yan , Xiu Li , Xiangyu Zhang