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Current Deep Neural Networks are vulnerable to adversarial examples, which alter their predictions by adding carefully crafted noise. Since human eyes are robust to such inputs, it is possible that the vulnerability stems from the standard…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Amitangshu Mukherjee , Timur Ibrayev , Kaushik Roy

The usage of deep learning is being escalated in many applications. Due to its outstanding performance, it is being used in a variety of security and privacy-sensitive areas in addition to conventional applications. One of the key aspects…

密码学与安全 · 计算机科学 2022-05-17 Zhaoxi Zhang , Leo Yu Zhang , Xufei Zheng , Bilal Hussain Abbasi , Shengshan Hu

Existing 3D skeleton-based action recognition approaches reach impressive performance by encoding handcrafted action features to image format and decoding by CNNs. However, such methods are limited in two ways: a) the handcrafted action…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Shannan Guan , Haiyan Lu , Linchao Zhu , Gengfa Fang

Due to their performance and simplicity, rigid body simulators are often used in applications where the objects of interest can considered very stiff. However, no material has infinite stiffness, which means there are potentially cases…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Aravind Ramakrishnan , David I. W. Levin , Alec Jacobson

Skeleton-based human action recognition has recently attracted increasing attention thanks to the accessibility and the popularity of 3D skeleton data. One of the key challenges in skeleton-based action recognition lies in the large view…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Pengfei Zhang , Cuiling Lan , Junliang Xing , Wenjun Zeng , Jianru Xue , Nanning Zheng

Self-supervised learning (SSL), which aims to learn meaningful prior representations from unlabeled data, has been proven effective for skeleton-based action understanding. Different from the image domain, skeleton data possesses sparser…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Jiahang Zhang , Lilang Lin , Shuai Yang , Jiaying Liu

Physical adversarial attacks are increasingly studied in settings that resemble deployed surveillance systems rather than isolated image benchmarks. In these settings, person detection, multi-object tracking, visible--infrared sensing, and…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Miguel A. DelaCruz , Patricia Mae Santos , Rafael T. Navarro

Object detection is a vital task in computer vision and has become an integral component of numerous critical systems. However, state-of-the-art object detectors, similar to their classification counterparts, are susceptible to small…

计算机视觉与模式识别 · 计算机科学 2023-08-04 Muhammad , Awais , Weiming , Zhuang , Lingjuan , Lyu , Sung-Ho , Bae

Speaker recognition has become very popular in many application scenarios, such as smart homes and smart assistants, due to ease of use for remote control and economic-friendly features. The rapid development of SRSs is inseparable from the…

密码学与安全 · 计算机科学 2022-05-30 Jiahe Lan , Rui Zhang , Zheng Yan , Jie Wang , Yu Chen , Ronghui Hou

Adversarial attacks are valuable for providing insights into the blind-spots of deep learning models and help improve their robustness. Existing work on adversarial attacks have mainly focused on static scenes; however, it remains unclear…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Aishan Liu , Tairan Huang , Xianglong Liu , Yitao Xu , Yuqing Ma , Xinyun Chen , Stephen J. Maybank , Dacheng Tao

Recently, there has been a remarkable increase in the interest towards skeleton-based action recognition within the research community, owing to its various advantageous features, including computational efficiency, representative features,…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Ayman Ali , Ekkasit Pinyoanuntapong , Pu Wang , Mohsen Dorodchi

Deep neural networks are vulnerable to adversarial attacks. White-box adversarial attacks can fool neural networks with small adversarial perturbations, especially for large size images. However, keeping successful adversarial perturbations…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Yongwei Wang , Mingquan Feng , Rabab Ward , Z. Jane Wang , Lanjun Wang

Human skeleton-based action recognition has long been an indispensable aspect of artificial intelligence. Current state-of-the-art methods tend to consider only the dependencies between connected skeletal joints, limiting their ability to…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Yuheng Yang

We have seen a great progress in video action recognition in recent years. There are several models based on convolutional neural network (CNN) and some recent transformer based approaches which provide top performance on existing…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Madeline Chantry Schiappa , Naman Biyani , Prudvi Kamtam , Shruti Vyas , Hamid Palangi , Vibhav Vineet , Yogesh Rawat

Like many other tasks involving neural networks, Speech Recognition models are vulnerable to adversarial attacks. However recent research has pointed out differences between attacks and defenses on ASR models compared to image models.…

密码学与安全 · 计算机科学 2022-04-06 Raphael Olivier , Bhiksha Raj

Recent graph convolutional neural networks (GCNs) have shown high performance in the field of human action recognition by using human skeleton poses. However, it fails to detect human-object interaction cases successfully due to the lack of…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Hesham M. Shehata , Mohammad Abdolrahmani

Visual detection is a key task in autonomous driving, and it serves as a crucial foundation for self-driving planning and control. Deep neural networks have achieved promising results in various visual tasks, but they are known to be…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Jung Im Choi , Qing Tian

Adversarial attacks can easily fool object recognition systems based on deep neural networks (DNNs). Although many defense methods have been proposed in recent years, most of them can still be adaptively evaded. One reason for the weak…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Xiao Li , Ziqi Wang , Bo Zhang , Fuchun Sun , Xiaolin Hu

Human action recognition from well-segmented 3D skeleton data has been intensively studied and has been attracting an increasing attention. Online action detection goes one step further and is more challenging, which identifies the action…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yanghao Li , Cuiling Lan , Junliang Xing , Wenjun Zeng , Chunfeng Yuan , Jiaying Liu

Deep Learning architectures, albeit successful in most computer vision tasks, were designed for data with an underlying Euclidean structure, which is not usually fulfilled since pre-processed data may lie on a non-linear space. In this…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Racha Friji , Hassen Drira , Faten Chaieb , Sebastian Kurtek , Hamza Kchok