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Capturing screens is now routine in our everyday lives. But the photographs of emissive displays are often influenced by the flicker-banding (FB), which is alternating bright%u2013dark stripes that arise from temporal aliasing between a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Libo Zhu , Zihan Zhou , Xiaoyang Liu , Weihang Zhang , Keyu Shi , Yifan Fu , Yulun Zhang

Automatic facial expression spotting, which aims to identify facial expression instances in untrimmed videos, is crucial for facial expression analysis. Existing methods primarily focus on fully-supervised learning and rely on costly,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Yicheng Deng , Hideaki Hayashi , Hajime Nagahara

Cross-domain face retargeting requires disentangled control over identity, expressions, and domain-specific stylistic attributes. Existing methods, typically trained on real-world faces, either fail to generalize across domains, need…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Avirup Dey , Vinay Namboodiri

Producing expressive facial animations from static images is a challenging task. Prior methods relying on explicit geometric priors (e.g., facial landmarks or 3DMM) often suffer from artifacts in cross reenactment and struggle to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Qiang Wang , Mengchao Wang , Fan Jiang , Yaqi Fan , Yonggang Qi , Mu Xu

Facial expressions play a crucial role in human communication serving as a powerful and impactful means to express a wide range of emotions. With advancements in artificial intelligence and computer vision, deep neural networks have emerged…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Yassine El Boudouri , Amine Bohi

The subtleness of human facial expressions and a large degree of variation in the level of intensity to which a human expresses them is what makes it challenging to robustly classify and generate images of facial expressions. Lack of good…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 J. Rafid Siddiqui

Facial expression analysis is an important tool for human-computer interaction. In this paper, we introduce LibreFace, an open-source toolkit for facial expression analysis. This open-source toolbox offers real-time and offline analysis of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Di Chang , Yufeng Yin , Zongjian Li , Minh Tran , Mohammad Soleymani

Despite their continued popularity, categorical approaches to affect recognition have limitations, especially in real-life situations. Dimensional models of affect offer important advantages for the recognition of subtle expressions and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Vassilios Vonikakis , Stefan Winkler

Facial expression editing is a challenging task as it needs a high-level semantic understanding of the input face image. In conventional methods, either paired training data is required or the synthetic face resolution is low. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Hui Ding , Kumar Sricharan , Rama Chellappa

In this paper, a deep learning framework is proposed for automatic facial emotion based on deep convolutional networks. In order to increase the generalization ability and the robustness of the method, the dataset size is increased by…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Serap Kırbız

Audio-driven emotional 3D facial animation encounters two significant challenges: (1) reliance on single-modal control signals (videos, text, or emotion labels) without leveraging their complementary strengths for comprehensive emotion…

Multimedia · Computer Science 2025-06-13 Kangwei Liu , Junwu Liu , Xiaowei Yi , Jinlin Guo , Yun Cao

Implementing fine-grained emotion control is crucial for emotion generation tasks because it enhances the expressive capability of the generative model, allowing it to accurately and comprehensively capture and express various nuanced…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Guanwen Feng , Haoran Cheng , Yunan Li , Zhiyuan Ma , Chaoneng Li , Zhihao Qian , Qiguang Miao , Chi-Man Pun

Dynamic Facial Expression Recognition (DFER) is crucial for understanding human behavior. However, current methods exhibit limited performance mainly due to the scarcity of high-quality data, the insufficient utilization of facial dynamics,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Haodong Chen , Haojian Huang , Junhao Dong , Mingzhe Zheng , Dian Shao

Facial Expression Recognition faces two core challenges. The first is class imbalance in public datasets, which skews the learning process and weakens generalization. The second is related to privacy and data collection constraints, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ali Azmoudeh , Erdi Sarıtaş , Ömer Yıldırım , Hazım Kemal Ekenel

The field of photorealistic 3D avatar reconstruction and generation has garnered significant attention in recent years; however, animating such avatars remains challenging. Recent advances in diffusion models have notably enhanced the…

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

Fine-grained facial expression manipulation is a challenging problem, as fine-grained expression details are difficult to be captured. Most existing expression manipulation methods resort to discrete expression labels, which mainly edit…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Junshu Tang , Zhiwen Shao , Lizhuang Ma

Compared to the prosperity of pre-training models in natural image understanding, the research on large-scale pre-training models for facial knowledge learning is still limited. Current approaches mainly rely on manually assembled and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Yudong Li , Hao Li , Xianxu Hou , Linlin Shen

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

The existing auto-encoder based face pose editing methods primarily focus on modeling the identity preserving ability during pose synthesis, but are less able to preserve the image style properly, which refers to the color, brightness,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Xiangnan Yin , Di Huang , Hongyu Yang , Zehua Fu , Yunhong Wang , Liming Chen