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Current diffusion-based face animation methods generally adopt a ReferenceNet (a copy of U-Net) and a large amount of curated self-acquired data to learn appearance features, as robust appearance features are vital for ensuring temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Yue Han , Junwei Zhu , Yuxiang Feng , Xiaozhong Ji , Keke He , Xiangtai Li , zhucun xue , Yong Liu

A sliding-window inference strategy is commonly adopted in recent training-free open-vocabulary semantic segmentation methods to overcome limitation of the CLIP in processing high-resolution images. However, this approach introduces a new…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 ByeongCheol Lee , Hyun Seok Seong , Sangeek Hyun , Gilhan Park , WonJun Moon , Jae-Pil Heo

Facial action units (AUs), as defined in the Facial Action Coding System (FACS), have received significant research interest owing to their diverse range of applications in facial state analysis. Current mainstream FAU recognition models…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xuri Ge , Junchen Fu , Fuhai Chen , Shan An , Nicu Sebe , Joemon M. Jose

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Contrastive Language-Image Pretraining (CLIP) has gained popularity for its remarkable zero-shot capacity. Recent research has focused on developing efficient fine-tuning methods, such as prompt learning and adapter, to enhance CLIP's…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Zhengbo Wang , Jian Liang , Lijun Sheng , Ran He , Zilei Wang , Tieniu Tan

Existing computer vision research in artwork struggles with artwork's fine-grained attributes recognition and lack of curated annotated datasets due to their costly creation. To the best of our knowledge, we are one of the first methods to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Marcos V. Conde , Kerem Turgutlu

Vision-Language Models (VLMs) like CLIP offer promising solutions for Dynamic Facial Expression Recognition (DFER) but face challenges such as inefficient full fine-tuning, high complexity, and poor alignment between textual and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ibtissam Saadi , Abdenour Hadid , Douglas W. Cunningham , Abdelmalik Taleb-Ahmed , Yassin El Hillali

As a spontaneous expression of emotion on face, micro-expression reveals the underlying emotion that cannot be controlled by human. In micro-expression, facial movement is transient and sparsely localized through time. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Min Peng , Chongyang Wang , Yuan Gao , Tao Bi , Tong Chen , Yu Shi , Xiang-Dong Zhou

Facial action unit (AU) detection and facial expression (FE) recognition can be jointly viewed as affective facial behavior tasks, representing fine-grained muscular activations and coarse-grained holistic affective states, respectively.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jia Li , Yu Zhang , Yin Chen , Zhenzhen Hu , Yong Li , Richang Hong , Shiguang Shan , Meng Wang

Facial Action Unit (AU) detection has gained significant attention as it enables the breakdown of complex facial expressions into individual muscle movements. In this paper, we revisit two fundamental factors in AU detection: diverse and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Mang Ning , Albert Ali Salah , Itir Onal Ertugrul

Contrastive Language-Image Pre-training (CLIP) has achieved success on multiple downstream tasks by aligning image and text modalities. However, the nature of global contrastive learning limits CLIP's ability to comprehend compositional…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxing Hu , Kaicheng Yang , Jun Wang , Haoran Xu , Ziyong Feng , Yupei Wang

Micro-gesture recognition is a challenging task in affective computing due to the subtle, involuntary nature of the gestures and their low movement amplitude. In this paper, we introduce a Pose-Guided Semantics-Aware CLIP-based…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Santosh Patapati , Trisanth Srinivasan , Amith Adiraju

Multimodal aspect-based sentiment analysis(MABSA) seeks to identify aspect terms within paired image-text data and determine their fine grained sentiment polarities, representing a fundamental task for improving the effectiveness of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Xiaoqiang He

Understanding human affect from facial behavior requires not only accurate recognition but also structured reasoning over the latent dependencies that drive muscle activations and their expressive outcomes. Although Action Units (AUs) have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Guanyu Hu , Tangzheng Lian , Dimitrios Kollias , Oya Celiktutan , Xinyu Yang

Human-centric visual analysis plays a pivotal role in diverse applications, including surveillance, healthcare, and human-computer interaction. With the emergence of large-scale unlabeled human image datasets, there is an increasing need…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mingshuang Luo , Ruibing Hou , Bo Chao , Hong Chang , Zimo Liu , Yaowei Wang , Shiguang Shan

Contrastive language-image pretraining (CLIP) using image-text pairs has achieved impressive results on image classification in both zero-shot and transfer learning settings. However, we show that directly applying such models to recognize…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Yiwu Zhong , Jianwei Yang , Pengchuan Zhang , Chunyuan Li , Noel Codella , Liunian Harold Li , Luowei Zhou , Xiyang Dai , Lu Yuan , Yin Li , Jianfeng Gao

The automatic intensity estimation of facial action units (AUs) from a single image plays a vital role in facial analysis systems. One big challenge for data-driven AU intensity estimation is the lack of sufficient AU label data. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Xinhui Song , Tianyang Shi , Tianjia Shao , Yi Yuan , Zunlei Feng , Changjie Fan

The learning objective of vision-language approach of CLIP does not effectively account for the noisy many-to-many correspondences found in web-harvested image captioning datasets, which contributes to its compute and data inefficiency. To…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Alex Andonian , Shixing Chen , Raffay Hamid

Contrastive Language-Image Pre-training (CLIP) has become a cornerstone in multimodal intelligence. However, recent studies discovered that CLIP can only encode one aspect of the feature space, leading to substantial information loss and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Jihai Zhang , Xiaoye Qu , Tong Zhu , Yu Cheng

Current Facial Action Unit (FAU) detection methods generally encounter difficulties due to the scarcity of labeled video training data and the limited number of training face IDs, which renders the trained feature extractor insufficient…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Qiaoqiao Jin , Rui Shi , Yishun Dou , Bingbing Ni