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Related papers: 2D+3D Facial Expression Recognition via Discrimina…

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The human face conveys a significant amount of information. Through facial expressions, the face is able to communicate numerous sentiments without the need for verbalisation. Visual emotion recognition has been extensively studied.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Liam Schoneveld , Alice Othmani

Face representation learning solutions have recently achieved great success for various applications such as verification and identification. However, face recognition approaches that are based purely on RGB images rely solely on intensity…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

This paper proposes an approach to learn generic multi-modal mesh surface representations using a novel scheme for fusing texture and geometric data. Our approach defines an inverse mapping between different geometric descriptors computed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Bilal Taha , Munawar Hayat , Stefano Berretti , Naoufel Werghi

With recent advances in RGB-D sensing technologies as well as improvements in machine learning and fusion techniques, RGB-D facial recognition has become an active area of research. A novel attention aware method is proposed to fuse two…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

Limited by the cost and technology, the resolution of depth map collected by depth camera is often lower than that of its associated RGB camera. Although there have been many researches on RGB image super-resolution (SR), a major problem…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Chuhua Xian , Kun Qian , Zitian Zhang , Charlie C. L. Wang

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

Facial Expression Recognition (FER) is vital for understanding interpersonal communication. However, existing classification methods often face challenges such as vulnerability to noise, imbalanced datasets, overfitting, and generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Hozaifa Kassab , Mohamed Bahaa , Ali Hamdi

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

High Dynamic Range (HDR) generation remains challenging for generative models, which are largely limited to low dynamic range outputs. Recent diffusionbased approaches approximate HDR by generating multiple exposure-conditioned samples,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Pedram Fekri , WenChen Li , William Chen , Peter Altamirano

Generative Adversarial Network approaches such as StyleGAN/2 provide two key benefits: the ability to generate photo-realistic face images and possessing a semantically structured latent space from which these images are created. Many…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Jingrui He , Andrew Stephen McGough

LiDAR-based place recognition serves as a crucial enabler for long-term autonomy in robotics and autonomous driving systems. Yet, prevailing methodologies relying on handcrafted feature extraction face dual challenges: (1) Inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Xiaohui Jiang , Haijiang Zhu , Chade Li , Fulin Tang , Ning An

Dimensionality reduction (DR) plays a vital role in the visual analysis of high-dimensional data. One main aim of DR is to reveal hidden patterns that lie on intrinsic low-dimensional manifolds. However, DR often overlooks important…

Machine Learning · Computer Science 2023-02-28 Takanori Fujiwara , Yun-Hsin Kuo , Anders Ynnerman , Kwan-Liu Ma

Accurate analysis and classification of facial attributes are essential in various applications, from human-computer interaction to security systems. In this work, a novel approach to enhance facial classification and recognition tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Houting Li , Mengxuan Dong , Lok Ming Lui

In this paper, we propose a novel Feature Decomposition and Reconstruction Learning (FDRL) method for effective facial expression recognition. We view the expression information as the combination of the shared information (expression…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Delian Ruan , Yan Yan , Shenqi Lai , Zhenhua Chai , Chunhua Shen , Hanzi Wang

The flow-based generative model is a deep learning generative model, which obtains the ability to generate data by explicitly learning the data distribution. Theoretically its ability to restore data is stronger than other generative…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Gao Xu , Yuanpeng Long , Siwei Liu , Lijia Yang , Shimei Xu , Xiaoming Yao , Kunxian Shu

In this paper, we present SAFER, a novel system for emotion recognition from facial expressions. It employs state-of-the-art deep learning techniques to extract various features from facial images and incorporates contextual information,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Mijanur Palash , Bharat Bhargava

Dynamic facial expression recognition (DFER) is essential to the development of intelligent and empathetic machines. Prior efforts in this field mainly fall into supervised learning paradigm, which is severely restricted by the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Licai Sun , Zheng Lian , Bin Liu , Jianhua Tao

This paper investigates unsupervised representation learning for facial expression analysis. We think Unsupervised Facial Expression Representation (UFER) deserves exploration and has the potential to address some key challenges in facial…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Fanglei Xue , Yifan Sun , Yi Yang

Human emotions analysis has been the focus of many studies, especially in the field of Affective Computing, and is important for many applications, e.g. human-computer intelligent interaction, stress analysis, interactive games, animations,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Mohammad Rami Koujan , Luma Alharbawee , Giorgos Giannakakis , Nicolas Pugeault , Anastasios Roussos

In real-world scenarios, many factors may harm face recognition performance, e.g., large pose, bad illumination,low resolution, blur and noise. To address these challenges, previous efforts usually first restore the low-quality faces to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Xiaoguang Tu , Jian Zhao , Qiankun Liu , Wenjie Ai , Guodong Guo , Zhifeng Li , Wei Liu , Jiashi Feng
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