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Deepfake technology poses a significant threat to security and social trust. Although existing detection methods have shown high performance in identifying forgeries within datasets that use the same deepfake techniques for both training…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Shanmin Yang , Hui Guo , Shu Hu , Bin Zhu , Ying Fu , Siwei Lyu , Xi Wu , Xin Wang

Dynamic Facial Expression Recognition (DFER) has received significant interest in the recent years dictated by its pivotal role in enabling empathic and human-compatible technologies. Achieving robustness towards in-the-wild data in DFER is…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Kateryna Chumachenko , Alexandros Iosifidis , Moncef Gabbouj

Recently, prompt learning has demonstrated remarkable success in adapting pre-trained Vision-Language Models (VLMs) to various downstream tasks such as image classification. However, its application to the downstream Image-Text Retrieval…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Yifan Wang , Tao Wang , Chenwei Tang , Caiyang Yu , Zhengqing Zang , Mengmi Zhang , Shudong Huang , Jiancheng Lv

Deep neural network (DNN) based salient object detection in images based on high-quality labels is expensive. Alternative unsupervised approaches rely on careful selection of multiple handcrafted saliency methods to generate noisy…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Duc Tam Nguyen , Maximilian Dax , Chaithanya Kumar Mummadi , Thi Phuong Nhung Ngo , Thi Hoai Phuong Nguyen , Zhongyu Lou , Thomas Brox

Recently, diffusion-based blind super-resolution (SR) methods have shown great ability to generate high-resolution images with abundant high-frequency detail, but the detail is often achieved at the expense of fidelity. Meanwhile, another…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Shao-Hao Lu , Ren Wang , Ching-Chun Huang , Wei-Chen Chiu

Despite the success of deep neural networks (DNNs) in image classification tasks, the human-level performance relies on massive training data with high-quality manual annotations, which are expensive and time-consuming to collect. There…

机器学习 · 计算机科学 2019-04-15 Junnan Li , Yongkang Wong , Qi Zhao , Mohan Kankanhalli

Annotating a qualitative large-scale facial expression dataset is extremely difficult due to the uncertainties caused by ambiguous facial expressions, low-quality facial images, and the subjectiveness of annotators. These uncertainties lead…

计算机视觉与模式识别 · 计算机科学 2020-03-09 Kai Wang , Xiaojiang Peng , Jianfei Yang , Shijian Lu , Yu Qiao

Fine-grained image retrieval (FGIR) is to learn visual representations that distinguish visually similar objects while maintaining generalization. Existing methods propose to generate discriminative features, but rarely consider the…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Xin Jiang , Hao Tang , Rui Yan , Jinhui Tang , Zechao Li

Deep convolutional neural networks (CNNs) for image denoising can effectively exploit rich hierarchical features and have achieved great success. However, many deep CNN-based denoising models equally utilize the hierarchical features of…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Wencong Wu , An Ge , Guannan Lv , Yuelong Xia , Yungang Zhang , Wen Xiong

Diffusion models have achieved cutting-edge performance in image generation. However, their lengthy denoising process and computationally intensive score estimation network impede their scalability in low-latency and resource-constrained…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Qian Zeng , Jie Song , Han Zheng , Hao Jiang , Mingli Song

One of the most universal ways that people communicate is through facial expressions. In this paper, we take a deep dive, implementing multiple deep learning models for facial expression recognition (FER). Our goals are twofold: we aim not…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Amil Khanzada , Charles Bai , Ferhat Turker Celepcikay

Benefited from the rapid and sustainable development of synthetic aperture radar (SAR) sensors, change detection from SAR images has received increasing attentions over the past few years. Existing unsupervised deep learning-based methods…

图像与视频处理 · 电气工程与系统科学 2022-03-15 Junjie Wang , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Human-annotated labels are often prone to noise, and the presence of such noise will degrade the performance of the resulting deep neural network (DNN) models. Much of the literature (with several recent exceptions) of learning with noisy…

机器学习 · 计算机科学 2021-03-24 Hao Cheng , Zhaowei Zhu , Xingyu Li , Yifei Gong , Xing Sun , Yang Liu

Previous methods for dynamic facial expression recognition (DFER) in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. Transformer-based methods for DFER…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Fuyan Ma , Bin Sun , Shutao Li

Facial Expression Recognition (FER) is an active research domain that has shown great progress recently, notably thanks to the use of large deep learning models. However, such approaches are particularly energy intensive, which makes their…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Sami Barchid , Benjamin Allaert , Amel Aissaoui , José Mennesson , Chaabane Djéraba

Diffusion MRI (dMRI) is the primary imaging modality used to study brain microstructure in vivo. Reliable and computationally efficient parameter inference for common dMRI biophysical models is a challenging inverse problem, due to factors…

图像与视频处理 · 电气工程与系统科学 2025-03-03 William Consagra , Lipeng Ning , Yogesh Rathi

Falsely annotated samples, also known as noisy labels, can significantly harm the performance of deep learning models. Two main approaches for learning with noisy labels are global noise estimation and data filtering. Global noise…

机器学习 · 计算机科学 2025-07-31 Yuval Grinberg , Nimrod Harel , Jacob Goldberger , Ofir Lindenbaum

Facial expression recognition (FER) systems raise significant privacy concerns due to the potential exposure of sensitive identity information. This paper presents a study on removing identity information while preserving FER capabilities.…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Feng Xu , David Ahmedt-Aristizabal , Lars Petersson , Dadong Wang , Xun Li

Forward scatter radar (FSR) has emerged as an effective imaging modality for target detection, utilizing forward scattering (FS) signals to reconstruct two-dimensional shadow profile images of objects. However, real-world FS signals are…

计算物理 · 物理学 2025-08-18 ShuQi Lei , Gan Yu , Yuan Tian , XiaoWei Shao

Medical image analysis faces significant challenges due to limited annotation data, particularly in three-dimensional carotid artery segmentation tasks, where existing datasets exhibit spatially discontinuous slice annotations with only a…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Haoxuan Li , Wei Song , Aofan Liu , Peiwu Qin