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The convolutional neural networks (CNN), including AlexNet, GoogleNet, VGGNet, etc. extract features for many computer vision problems which are very discriminative. The trained CNN model over one dataset performs reasonably well whereas on…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Shiv Ram Dubey , Soumendu Chakraborty

Contrastive learning has shown promising potential for learning robust representations by utilizing unlabeled data. However, constructing effective positive-negative pairs for contrastive learning on facial behavior datasets remains…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xiang Zhang , Taoyue Wang , Xiaotian Li , Huiyuan Yang , Lijun Yin

We propose the Uncertainty Contrastive Framework (UCF), a Positive-Unlabeled (PU) representation learning framework that integrates uncertainty-aware contrastive loss, adaptive temperature scaling, and a self-attention-guided LSTM encoder…

机器学习 · 计算机科学 2025-12-11 Elias Hossain , Umesh Biswas , Charan Gudla , Sai Phani Parsa

Previous deepfake detection methods mostly depend on low-level textural features vulnerable to perturbations and fall short of detecting unseen forgery methods. In contrast, high-level semantic features are less susceptible to perturbations…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Ziyuan Fang , Hanqing Zhao , Tianyi Wei , Wenbo Zhou , Ming Wan , Zhanyi Wang , Weiming Zhang , Nenghai Yu

Automated systems that detect the social behavior of deception can enhance human well-being across medical, social work, and legal domains. Labeled datasets to train supervised deception detection models can rarely be collected for…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Leena Mathur , Maja J Matarić

We propose Uncertainty Augmented Context Attention network (UACANet) for polyp segmentation which consider a uncertain area of the saliency map. We construct a modified version of U-Net shape network with additional encoder and decoder and…

计算机视觉与模式识别 · 计算机科学 2021-07-23 Taehun Kim , Hyemin Lee , Daijin Kim

Quality-relevant fault detection plays an important role in industrial processes, while the current quality-related fault detection methods based on neural networks main concentrate on process-relevant variables and ignore quality-relevant…

机器学习 · 计算机科学 2021-01-21 Dan Yang , Xin Peng , Yusheng Lu , Haojie Huang , Weimin Zhong

According to recent studies, commonly used computer vision datasets contain about 4% of label errors. For example, the COCO dataset is known for its high level of noise in data labels, which limits its use for training robust neural deep…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Natalia Khanzhina , Alexey Lapenok , Andrey Filchenkov

Various deep learning methods have been proposed to segment breast lesion from ultrasound images. However, similar intensity distributions, variable tumor morphology and blurred boundaries present challenges for breast lesions segmentation,…

图像与视频处理 · 电气工程与系统科学 2024-01-23 Gongping Chen , Yu Dai , Jianxun Zhang , Moi Hoon Yap

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

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…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Recent efforts in deploying Deep Neural Networks for object detection in real world applications, such as autonomous driving, assume that all relevant object classes have been observed during training. Quantifying the performance of these…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Yimeng Li , Jana Kosecka

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…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Andrey V. Savchenko

Within (semi-)automated visual inspection, learning-based approaches for assessing visual defects, including deep neural networks, enable the processing of otherwise small defect patterns in pixel size on high-resolution imagery. The…

计算机视觉与模式识别 · 计算机科学 2024-01-18 André Luiz B. Vieira e Silva , Francisco Simões , Danny Kowerko , Tobias Schlosser , Felipe Battisti , Veronica Teichrieb

In recent years, convolutional neural networks (CNNs) have been successfully implemented to various image recognition applications, such as medical image analysis, object detection, and image segmentation. Many studies and applications have…

图像与视频处理 · 电气工程与系统科学 2021-05-06 Chi-Shiang Wang , Fang-Yi Su , Tsung-Lu Michael Lee , Yi-Shan Tsai , Jung-Hsien Chiang

Deep learning models have shown promising performance in the field of diabetic retinopathy (DR) staging. However, collaboratively training a DR staging model across multiple institutions remains a challenge due to non-iid data, client…

图像与视频处理 · 电气工程与系统科学 2025-06-02 Meng Wang , Lianyu Wang , Xinxing Xu , Ke Zou , Yiming Qian , Rick Siow Mong Goh , Yong Liu , Huazhu Fu

Deep neural networks have shown exceptional performance in various tasks, but their lack of robustness, reliability, and tendency to be overconfident pose challenges for their deployment in safety-critical applications like autonomous…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Steven Landgraf , Markus Hillemann , Kira Wursthorn , Markus Ulrich

The paper describes our proposed methodology for the six basic expression classification track of Affective Behavior Analysis in-the-wild (ABAW) Competition 2022. In Learing from Synthetic Data(LSD) task, facial expression recognition (FER)…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Shuyi Mao , Xinpeng Li , Junyao Chen , Xiaojiang Peng

Robust adversarial reinforcement learning has emerged as an effective paradigm for training agents to handle uncertain disturbance in real environments, with critical applications in sequential decision-making domains such as autonomous…

机器学习 · 计算机科学 2026-01-26 Jiaxi Wu , Tiantian Zhang , Yuxing Wang , Yongzhe Chang , Xueqian Wang

Despite being the appearance-based classifier of choice in recent years, relatively few works have examined how much convolutional neural networks (CNNs) can improve performance on accepted expression recognition benchmarks and, more…

计算机视觉与模式识别 · 计算机科学 2017-03-17 Pooya Khorrami , Tom Le Paine , Thomas S. Huang