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The domain diversities including inconsistent annotation and varied image collection conditions inevitably exist among different facial expression recognition (FER) datasets, which pose an evident challenge for adapting the FER model…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Kai Wang , Yuxin Gu , Xiaojiang Peng , Panpan Zhang , Baigui Sun , Hao Li

Facial expression recognition (FER) is vital for human-computer interaction and emotion analysis, yet recognizing expressions in low-resolution images remains challenging. This paper introduces a practical method called Dynamic Resolution…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Songpan Wang , Xu Li , Tianxiang Jiang , Yuanlun Xie

The detection of facial action units (AUs) has been studied as it has the competition due to the wide-ranging applications thereof. In this paper, we propose a novel framework for the AU detection from a single input image by grasping the…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Ziqiang Shi , Liu Liu , Zhongling Liu , Rujie Liu , Xiaoyu Mi , and Kentaro Murase

Recognizing facial action units (AUs) from spontaneous facial expressions is still a challenging problem. Most recently, CNNs have shown promise on facial AU recognition. However, the learned CNNs are often overfitted and do not generalize…

计算机视觉与模式识别 · 计算机科学 2017-07-19 Shizhong Han , Zibo Meng , Ahmed Shehab Khan , Yan Tong

To make the best use of the underlying structure of faces, the collective information through face datasets and the intermediate estimates during the upsampling process, here we introduce a fully convolutional multi-stage neural network for…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Ratheesh Kalarot , Tao Li , Fatih Porikli

Face detection and alignment in unconstrained environment is always deployed on edge devices which have limited memory storage and low computing power. This paper proposes a one-stage method named CenterFace to simultaneously predict facial…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Yuanyuan Xu , Wan Yan , Haixin Sun , Genke Yang , Jiliang Luo

The analysis of expression and facial Action Units (AUs) detection are very important tasks in fields of computer vision and Human Computer Interaction (HCI) due to the wide range of applications in human life. Many works has been done…

计算机视觉与模式识别 · 计算机科学 2015-11-09 Mohammadamin Abbasnejad , Mohammad Ali Masnadi-Shirazi

Facial expressions are combinations of basic components called Action Units (AU). Recognizing AUs is key for developing general facial expression analysis. In recent years, most efforts in automatic AU recognition have been dedicated to…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Ciprian A. Corneanu , Meysam Madadi , Sergio Escalera

In this paper, we propose to detect facial action units (AU) using 3D facial landmarks. Specifically, we train a 2D convolutional neural network (CNN) on 3D facial landmarks, tracked using a shape index-based statistical shape model, for…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Saurabh Hinduja , Shaun Canavan

This paper describes an approach to the facial action units detections. The involved action units (AU) include AU1 (Inner Brow Raiser), AU2 (Outer Brow Raiser), AU4 (Brow Lowerer), AU6 (Cheek Raise), AU12 (Lip Corner Puller), AU15 (Lip…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Xianpeng Ji , Yu Ding , Lincheng Li , Yu Chen , Changjie Fan

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…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Xinhao Xiang , Zhengxin Li , Saurav Dhakad , Theo Bancroft , Jiawei Zhang , Weiyang Li

Recently, Convolutional Neural Networks (CNNs) have been successfully adopted to solve the ill-posed single image super-resolution (SISR) problem. A commonly used strategy to boost the performance of CNN-based SISR models is deploying very…

图像与视频处理 · 电气工程与系统科学 2019-12-10 Du Chen , Zewei He , Yanpeng Cao , Jiangxin Yang , Yanlong Cao , Michael Ying Yang , Siliang Tang , Yueting Zhuang

Facial action unit (AU) detection is challenging due to the difficulty in capturing correlated information from subtle and dynamic AUs. Existing methods often resort to the localization of correlated regions of AUs, in which predefining…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Zhiwen Shao , Yong Zhou , Jianfei Cai , Hancheng Zhu , Rui Yao

Facial action unit (AU) intensity is an index to describe all visually discernible facial movements. Most existing methods learn intensity estimator with limited AU data, while they lack generalization ability out of the dataset. In this…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Xinhui Song , Tianyang Shi , Zunlei Feng , Mingli Song , Jackie Lin , Chuanjie Lin , Changjie Fan , Yi Yuan

The intensity estimation of facial action units (AUs) is challenging due to subtle changes in the person's facial appearance. Previous approaches mainly rely on probabilistic models or predefined rules for modeling co-occurrence…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Yingruo Fan , Jacqueline C. K. Lam , Victor O. K. Li

Dynamic Facial Expression Recognition(DFER) is a rapidly evolving field of research that focuses on the recognition of time-series facial expressions. While previous research on DFER has concentrated on feature learning from a deep learning…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Feng Liu , Lingna Gu , Chen Shi , Xiaolan Fu

In this paper, we present a new multi-branch neural network that simultaneously performs soft biometric (SB) prediction as an auxiliary modality and face recognition (FR) as the main task. Our proposed network named AAFace utilizes SB…

Facial Expression Recognition (FER) in the wild is extremely challenging due to occlusions, variant head poses, face deformation and motion blur under unconstrained conditions. Although substantial progresses have been made in automatic FER…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Fuyan Ma , Bin Sun , Shutao Li

Action Unit (AU) detection becomes essential for facial analysis. Many proposed approaches face challenging problems in dealing with the alignments of different face regions, in the effective fusion of temporal information, and in training…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Wei Li , Farnaz Abitahi , Zhigang Zhu

Micro-Expression Recognition (MER) is a challenging task as the subtle changes occur over different action regions of a face. Changes in facial action regions are formed as Action Units (AUs), and AUs in micro-expressions can be seen as the…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Ling Zhou , Qirong Mao , Ming Dong