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Graph convolutional networks (GCNs), which can model the human body skeletons as spatial and temporal graphs, have shown remarkable potential in skeleton-based action recognition. However, in the existing GCN-based methods, graph-structured…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Han Chen , Yifan Jiang , Hanseok Ko

Research in presentation attack detection (PAD) for iris recognition has largely moved beyond evaluation in "closed-set" scenarios, to emphasize ability to generalize to presentation attack types not present in the training data. This paper…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Aidan Boyd , Jeremy Speth , Lucas Parzianello , Kevin Bowyer , Adam Czajka

Convolutional neural networks are basic structures using jet images as input for the jet tagging problems. However, what they have learned during the training process is always difficult to understand just through feature maps. Inspired by…

高能物理 - 唯象学 · 物理学 2020-09-02 Jing Li , Hao Sun

Automatic methods for detecting presentation attacks are essential to ensure the reliable use of facial recognition technology. Most of the methods available in the literature for presentation attack detection (PAD) fails in generalizing to…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Anjith George , Sebastien Marcel

Face presentation attack detection (PAD) has become a thorny problem for biometric systems and numerous countermeasures have been proposed to address it. However, majority of them directly extract feature descriptors and distinguish fake…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Lei Li , Zhaoqiang Xia , Xiaoyue Jiang , Fabio Roli , Xiaoyi Feng

Attention mechanism has recently attracted increasing attentions in the field of facial action unit (AU) detection. By finding the region of interest of each AU with the attention mechanism, AU-related local features can be captured. Most…

计算机视觉与模式识别 · 计算机科学 2019-10-21 Zhiwen Shao , Zhilei Liu , Jianfei Cai , Yunsheng Wu , Lizhuang Ma

The combination of the traditional convolutional network (i.e., an auto-encoder) and the graph convolutional network has attracted much attention in clustering, in which the auto-encoder extracts the node attribute feature and the graph…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Zhihao Peng , Hui Liu , Yuheng Jia , Junhui Hou

The utilization of prior knowledge about anomalies is an essential issue for anomaly detections. Recently, the visual attention mechanism has become a promising way to improve the performance of CNNs for some computer vision tasks. In this…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Ryoya Katafuchi , Terumasa Tokunaga

Convolutional Neural Networks (CNNs) have achieved tremendous success in a number of learning tasks including image classification. Recent advanced models in CNNs, such as ResNets, mainly focus on the skip connection to avoid gradient…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Xinglin Pan , Jing Xu , Yu Pan , liangjian Wen , WenXiang Lin , Kun Bai , Zenglin Xu

Research in human action recognition has accelerated significantly since the introduction of powerful machine learning tools such as Convolutional Neural Networks (CNNs). However, effective and efficient methods for incorporation of…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Jinliang Zang , Le Wang , Ziyi Liu , Qilin Zhang , Zhenxing Niu , Gang Hua , Nanning Zheng

Fine-grained fashion retrieval searches for items that share a similar attribute with the query image. Most existing methods use a pre-trained feature extractor (e.g., ResNet 50) to capture image representations. However, a pre-trained…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Ling Xiao , Toshihiko Yamasaki

In the current era, biometric based access control is becoming more popular due to its simplicity and ease to use by the users. It reduces the manual work of identity recognition and facilitates the automatic processing. The face is one of…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Chaitanya Nagpal , Shiv Ram Dubey

Face presentation attack detection (PAD) is an essential measure to protect face recognition systems from being spoofed by malicious users and has attracted great attention from both academia and industry. Although most of the existing…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Zhi Li , Haoliang Li , Xin Luo , Yongjian Hu , Kwok-Yan Lam , Alex C. Kot

Semantic segmentation profits from deep learning and has shown its possibilities in handling the graphical data from the on-site inspection. As a result, visual damage in the facade images should be detected. Attention mechanism and…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Fangzheng Lin , Jiesheng Yang , Jiangpeng Shu , Raimar J. Scherer

Writer identification due to its widespread application in various fields has gained popularity over the years. In scenarios where optimum handwriting samples are available, whether they be in the form of a single line, a sentence, or an…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Vineet Kumar , Suresh Sundaram

Visual attention brings significant progress for Convolution Neural Networks (CNNs) in various applications. In this paper, object-based attention in human visual cortex inspires us to introduce a mechanism for modification of activations…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Saeed Masoudnia , Melika Kheirieh , Abdol-Hossein Vahabie , Babak Nadjar Araabi

Infrared Small Target Detection (IRSTD) system aims to identify small targets in complex backgrounds. Due to the convolution operation in Convolutional Neural Networks (CNNs), applying traditional CNNs to IRSTD presents challenges, since…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Yirui Chen , Yiming Zhu , Yuxin Jing , Tianpei Zhang , Jufeng Zhao

Most existing AU detection works considering AU relationships are relying on probabilistic graphical models with manually extracted features. This paper proposes an end-to-end deep learning framework for facial AU detection with graph…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Zhilei Liu , Jiahui Dong , Cuicui Zhang , Longbiao Wang , Jianwu Dang

Jointly utilizing global and local features to improve model accuracy is becoming a popular approach for the person re-identification (ReID) problem, because previous works using global features alone have very limited capacity at…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Wenpeng Li , Yongli Sun , Jinjun Wang , Han Xu , Xiangru Yang , Long Cui

Although numerous recent tracking approaches have made tremendous advances in the last decade, achieving high-performance visual tracking remains a challenge. In this paper, we propose an end-to-end network model to learn reinforced…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Peng Gao , Qiquan Zhang , Fei Wang , Liyi Xiao , Hamido Fujita , Yan Zhang