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Low-light image enhancement, such as recovering color and texture details from low-light images, is a complex and vital task. For automated driving, low-light scenarios will have serious implications for vision-based applications. To…

Image and Video Processing · Electrical Eng. & Systems 2021-09-01 Yangyang Qu , Kai Chen , Chao Liu , Yongsheng Ou

Facial action units (AUs) are essential to decode human facial expressions. Researchers have focused on training AU detectors with a variety of features and classifiers. However, several issues remain. These are spatial representation,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-03 Wen-Sheng Chu , Fernando De la Torre , Jeffrey F. Cohn

Conventional active learning (AL) frameworks aim to reduce the cost of data annotation by actively requesting the labeling for the most informative data points. However, introducing AL to data hungry deep learning algorithms has been a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Salman Mohamadi , Gianfranco Doretto , Donald A. Adjeroh

Despite recent advances in deep-learning based semantic segmentation, automatic building detection from remotely sensed imagery is still a challenging problem owing to large variability in the appearance of buildings across the globe. The…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Somrita Chattopadhyay , Avinash C. Kak

This paper introduces an efficient sub-model ensemble framework aimed at enhancing the interpretability of medical deep learning models, thus increasing their clinical applicability. By generating uncertainty maps, this framework enables…

Machine Learning · Computer Science 2024-11-11 Weijie Chen , Alan McMillan

Recent studies on the automatic detection of facial action unit (AU) have extensively relied on large-sized annotations. However, manually AU labeling is difficult, time-consuming, and costly. Most existing semi-supervised works ignore the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Xiaotian Li , Xiang Zhang , Taoyue Wang , Lijun Yin

In this paper, we propose a deep learning based approach for facial action unit detection by enhancing and cropping the regions of interest. The approach is implemented by adding two novel nets (layers): the enhancing layers and the…

Computer Vision and Pattern Recognition · Computer Science 2017-02-10 Wei Li , Farnaz Abtahi , Zhigang Zhu , Lijun Yin

Face frontalization provides an effective and efficient way for face data augmentation and further improves the face recognition performance in extreme pose scenario. Despite recent advances in deep learning-based face synthesis approaches,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Yu Yin , Songyao Jiang , Joseph P. Robinson , Yun Fu

In this paper, we consider the problem of real-time video-based facial emotion analytics, namely, facial expression recognition, prediction of valence and arousal and detection of action unit points. We propose the novel frame-level emotion…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Andrey V. Savchenko

Action Units (AU) are muscular activations used to describe facial expressions. Therefore accurate AU recognition unlocks unbiaised face representation which can improve face-based affective computing applications. From a learning…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Gauthier Tallec , Arnaud Dapogny , Kevin Bailly

Facial action unit (AU) detection, aiming to classify AU present in the facial image, has long suffered from insufficient AU annotations. In this paper, we aim to mitigate this data scarcity issue by learning AU representations from a large…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Yong Li , Shiguang Shan

Automated Facial Expression Recognition (FER) has remained a challenging and interesting problem. Despite efforts made in developing various methods for FER, existing approaches traditionally lack generalizability when applied to unseen…

Neural and Evolutionary Computing · Computer Science 2016-11-18 Ali Mollahosseini , David Chan , Mohammad H. Mahoor

Recently, AI-manipulated face techniques have developed rapidly and constantly, which has raised new security issues in society. Although existing detection methods consider different categories of fake faces, the performance on detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Yang Yu , Rongrong Ni , Yao Zhao

In this project, we created a database with two types of annotations used in the emotion recognition domain : Action Units and Valence Arousal to try to achieve better results than with only one model. The originality of the approach is…

Machine Learning · Computer Science 2019-12-17 Valentin Richer , Dimitrios Kollias

Capsule neural network is a new and popular technique in deep learning. However, the traditional capsule neural network does not extract features sufficiently before the dynamic routing between the capsules. In this paper, the one Double…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Shan Cao , Yuqian Yao , Gaoyun An

Pain is a common occurrence among patients admitted to Intensive Care Units. Pain assessment in ICU patients still remains a challenge for clinicians and ICU staff, specifically in cases of non-verbal sedated, mechanically ventilated, and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Subhash Nerella , Kia Khezeli , Andrea Davidson , Patrick Tighe , Azra Bihorac , Parisa Rashidi

Facial action unit recognition has many applications from market research to psychotherapy and from image captioning to entertainment. Despite its recent progress, deployment of these models has been impeded due to their limited…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Javier Hernandez , Daniel McDuff , Ognjen , Rudovic , Alberto Fung , Mary Czerwinski

Unified multimodal models (UMMs) have emerged as a powerful paradigm in fundamental cross-modality research, demonstrating significant potential in both image understanding and generation. However, existing research in the face domain…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Junzhe Li , Sifan Zhou , Liya Guo , Xuerui Qiu , Linrui Xu , Delin Qu , Tingting Long , Chun Fan , Ming Li , Hehe Fan , Jun Liu , Shuicheng Yan

Facial action unit (AU) detection is a fundamental block for objective facial expression analysis. Supervised learning approaches require a large amount of manual labeling which is costly. The limited labeled data are also not diverse in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Liupei Lu , Yufeng Yin , Yuming Gu , Yizhen Wu , Pratusha Prasad , Yajie Zhao , Mohammad Soleymani

Automatic facial action unit (AU) recognition is used widely in facial expression analysis. Most existing AU recognition systems aim for cross-participant non-calibrated generalization (NCG) to unseen faces without further calibration.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Shuangquan Feng , Virginia R. de Sa
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