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Related papers: Rethinking Occlusion in FER: A Semantic-Aware Pers…

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Deep Convolutional Neural Networks (CNNs) have been pushing the frontier of the face recognition research in the past years. However, existing general CNN face models generalize poorly to the scenario of occlusions on variable facial areas.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Lingxue Song , Dihong Gong , Zhifeng Li , Changsong Liu , Wei Liu

Accurate facial landmark detection under occlusion remains challenging, especially for human-like faces with large appearance variation and rotation-driven self-occlusion. Existing detectors typically localize landmarks while handling…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Xinhao Xiang , Zhengxin Li , Saurav Dhakad , Theo Bancroft , Jiawei Zhang , Weiyang Li

Multimodal Emotion Recognition in Conversation (MERC) significantly enhances emotion recognition performance by integrating complementary emotional cues from text, audio, and visual modalities. While existing methods commonly utilize…

Multimedia · Computer Science 2026-02-12 Xinyi Che , Wenbo Wang , Jian Guan , Qijun Zhao

Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shuvendu Roy , Ali Etemad

Facial expression recognition is an important research direction in the field of artificial intelligence. Although new breakthroughs have been made in recent years, the uneven distribution of datasets and the similarity between different…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingyu Nan , Feng Liu , Xuezhong Qian , Wei Song

Retrieving occlusion relation among objects in a single image is challenging due to sparsity of boundaries in image. We observe two key issues in existing works: firstly, lack of an architecture which can exploit the limited amount of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Panhe Feng , Qi She , Lei Zhu , Jiaxin Li , Lin Zhang , Zijian Feng , Changhu Wang , Chunpeng Li , Xuejing Kang , Anlong Ming

Open-set face recognition refers to a scenario in which biometric systems have incomplete knowledge of all existing subjects. Therefore, they are expected to prevent face samples of unregistered subjects from being identified as previously…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Rafael Henrique Vareto , Manuel Günther , William Robson Schwartz

In this paper, we address a key limitation of existing 2D face recognition methods: robustness to occlusions. To accomplish this task, we systematically analyzed the impact of facial attributes on the performance of a state-of-the-art face…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Xiang Xu , Nikolaos Sarafianos , Ioannis A. Kakadiaris

The limited capacity to recognize faces under occlusions is a long-standing problem that presents a unique challenge for face recognition systems and even for humans. The problem regarding occlusion is less covered by research when compared…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Dan Zeng , Raymond Veldhuis , Luuk Spreeuwers

Facial expression recognition (FER) plays an important role in a variety of real-world applications such as human-computer interaction. POSTER achieves the state-of-the-art (SOTA) performance in FER by effectively combining facial landmark…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Jiawei Mao , Rui Xu , Xuesong Yin , Yuanqi Chang , Binling Nie , Aibin Huang

Fully-Automatic Facial Expression Recognition (FER) from still images is a challenging task as it involves handling large interpersonal morphological differences, and as partial occlusions can occasionally happen. Furthermore, labelling…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Arnaud Dapogny , Kévin Bailly , Séverine Dubuisson

The performance of a computer vision model depends on the size and quality of its training data. Recent studies have unveiled previously-unknown composition biases in common image datasets which then lead to skewed model outputs, and have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yunliang Chen , Jungseock Joo

In this paper, we present a sparsity-aware deep network for automatic 4D facial expression recognition (FER). Given 4D data, we first propose a novel augmentation method to combat the data limitation problem for deep learning. This is…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

Prior work has shown that the order in which different components of the face are learned using a sequential learner can play an important role in the performance of facial expression recognition systems. We propose FaceTopoNet, an…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Mojtaba Kolahdouzi , Alireza Sepas-Moghaddam , Ali Etemad

Micro-expression recognition (MER) has achieved impressive accuracy in controlled laboratory settings. However, its real-world applicability faces a significant generalization cliff, severely hindering practical deployment due to poor…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Linquan Wu , Tianxiang Jiang , Haoyu Yang , Wenhao Duan , Shaochao Lin , Zixuan Wang , Yini Fang , Jacky Keung

Facial emotion recognition (FER) is a fine-grained problem where the value of transfer learning is often assumed. We first quantify this assumption and show that, on AffectNet, training from random initialization with sufficiently strong…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Mahdi Pourmirzaei , Gholam Ali Montazer , Farzaneh Esmaili

With the recent advancement of deep convolutional neural networks, significant progress has been made in general face recognition. However, the state-of-the-art general face recognition models do not generalize well to occluded face images,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Haibo Qiu , Dihong Gong , Zhifeng Li , Wei Liu , Dacheng Tao

Occlusions of objects is one of the indispensable problems in Computer vision. While Convolutional Neural Net-works (CNNs) provide various state of the art approaches for regular image classification, they however, prove to be not as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Karthick Prasad Gunasekaran , Nikita Jaiman

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

Occluded person re-identification (Re-ID) in images captured by multiple cameras is challenging because the target person is occluded by pedestrians or objects, especially in crowded scenes. In addition to the processes performed during…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Minjung Kim , MyeongAh Cho , Heansung Lee , Suhwan Cho , Sangyoun Lee