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Related papers: Video-based Facial Expression Recognition using Gr…

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Dynamic facial expression recognition (DFER) in the wild is an extremely challenging task, due to a large number of noisy frames in the video sequences. Previous works focus on extracting more discriminative features, but ignore…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng zhao

Robust face detection is one of the most important pre-processing steps to support facial expression analysis, facial landmarking, face recognition, pose estimation, building of 3D facial models, etc. Although this topic has been intensely…

Computer Vision and Pattern Recognition · Computer Science 2017-01-03 Yutong Zheng , Chenchen Zhu , Khoa Luu , Chandrasekhar Bhagavatula , T. Hoang Ngan Le , Marios Savvides

People can innately recognize human facial expressions in unnatural forms, such as when depicted on the unusual faces drawn in cartoons or when applied to an animal's features. However, current machine learning algorithms struggle with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Michael Stettler , Alexander Lappe , Nick Taubert , Martin Giese

Many scientific and engineering processes produce spatially unstructured data. However, most data-driven models require a feature matrix that enforces both a set number and order of features for each sample. They thus cannot be easily…

Machine Learning · Computer Science 2021-09-30 Francis Ogoke , Kazem Meidani , Amirreza Hashemi , Amir Barati Farimani

Facial expression recognition (FER) systems in low-resolution settings face significant challenges in accurately identifying expressions due to the loss of fine-grained facial details. This limitation is especially problematic for…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Syed Sameen Ahmad Rizvi , Soham Kumar , Aryan Seth , Pratik Narang

In recent years, image forensics has attracted more and more attention, and many forensic methods have been proposed for identifying image processing operations. Up to now, most existing methods are based on hand crafted features, and just…

Multimedia · Computer Science 2020-09-01 Bolin Chen , Haodong Li , Weiqi Luo

Compared with the image-based static facial expression recognition (SFER) task, the dynamic facial expression recognition (DFER) task based on video sequences is closer to the natural expression recognition scene. However, DFER is often…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Hanting Li , Hongjing Niu , Zhaoqing Zhu , Feng Zhao

Micro-expressions serve as essential cues for understanding individuals' genuine emotional states. Recognizing micro-expressions attracts increasing research attention due to its various applications in fields such as business negotiation…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Fengyuan Zhang , Zhaopei Huang , Xinjie Zhang , Qin Jin

The ever-increasing demands for intuitive interactions in Virtual Reality has triggered a boom in the realm of Facial Expression Recognition (FER). To address the limitations in existing approaches (e.g., narrow receptive fields and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yande Li , Mingjie Wang , Minglun Gong , Yonggang Lu , Li Liu

Facial Expression Recognition (FER) in the wild is still challenging due to uncontrolled variations in pose, occlusion, and illumination. Most existing attention-based methods primarily rely on visual appearance cues, suffering from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Jiaxin Wang , Muwei Jian , Hui Yu , Junyu Dong , Yifan Xia

Scene understanding plays an important role in several high-level computer vision applications, such as autonomous vehicles, intelligent video surveillance, or robotics. However, too few solutions have been proposed for indoor/outdoor scene…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ayman Beghdadi , Azeddine Beghdadi , Mohib Ullah , Faouzi Alaya Cheikh , Malik Mallem

Convolutional neural networks (CNNs) have massively impacted visual recognition in 2D images, and are now ubiquitous in state-of-the-art approaches. CNNs do not easily extend, however, to data that are not represented by regular grids, such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Nitika Verma , Edmond Boyer , Jakob Verbeek

We propose a self-supervised contrastive learning approach for facial expression recognition (FER) in videos. We propose a novel temporal sampling-based augmentation scheme to be utilized in addition to standard spatial augmentations used…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Shuvendu Roy , Ali Etemad

Facial emotional recognition is one of the essential tools used by recognition psychology to diagnose patients. Face and facial emotional recognition are areas where machine learning is excelling. Facial Emotion Recognition in an…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Nitesh Banskota , Abeer Alsadoon , P. W. C. Prasad , Ahmed Dawoud , Tarik A. Rashid , Omar Hisham Alsadoon

Face detection has achieved great success using the region-based methods. In this report, we propose a region-based face detector applying deep networks in a fully convolutional fashion, named Face R-FCN. Based on Region-based Fully…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Yitong Wang , Xing Ji , Zheng Zhou , Hao Wang , Zhifeng Li

Although numerical models provide accurate solutions for ice sheet dynamics based on physics laws, they accompany intensified computational demands to solve partial differential equations. In recent years, convolutional neural networks…

Machine Learning · Computer Science 2024-06-27 Younghyun Koo , Maryam Rahnemoonfar

We present a baseline convolutional neural network (CNN) structure and image preprocessing methodology to improve facial expression recognition algorithm using CNN. To analyze the most efficient network structure, we investigated four…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Minchul Shin , Munsang Kim , Dong-Soo Kwon

In this paper, we evaluate convolutional neural network (CNN) features using the AlexNet architecture and very deep convolutional network (VGGNet) architecture. To date, most CNN researchers have employed the last layers before output,…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Hirokatsu Kataoka , Kenji Iwata , Yutaka Satoh

Learning graph convolutional networks (GCNs) is an emerging field which aims at generalizing deep learning to arbitrary non-regular domains. Most of the existing GCNs follow a neighborhood aggregation scheme, where the representation of a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Hichem Sahbi

Representation learning and feature disentanglement have garnered significant research interest in the field of facial expression recognition (FER). The inherent ambiguity of emotion labels poses challenges for conventional supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Jia Li , Jiantao Nie , Dan Guo , Richang Hong , Meng Wang