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Wearable Internet of Things (IoT) devices are gaining ground for continuous physiological data acquisition and health monitoring. These physiological signals can be used for security applications to achieve continuous authentication and…

信号处理 · 电气工程与系统科学 2024-09-10 Guoxin Wang , Shreejith Shanker , Avishek Nag , Yong Lian , Deepu John

The risk of unauthorized remote access of streaming video from networked cameras underlines the need for stronger privacy safeguards. We propose a lens-free coded aperture camera system for human action recognition that is…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Zihao W. Wang , Vibhav Vineet , Francesco Pittaluga , Sudipta Sinha , Oliver Cossairt , Sing Bing Kang

Segment anything model (SAM) has shown impressive general-purpose segmentation performance on natural images, but its performance on camouflaged object detection (COD) is unsatisfactory. In this paper, we propose SAM-COD that performs…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Jiaming Liu , Linghe Kong , Guihai Chen

The rapid advancement of generative AI systems has collapsed the credibility landscape for photographic evidence. Modern image generation models produce photorealistic images undermining the evidentiary foundation upon which journalism and…

密码学与安全 · 计算机科学 2026-02-06 Sam Ryan

Nowadays, mobile smart devices are widely used in daily life. It is increasingly important to prevent malicious users from accessing private data, thus a secure and convenient authentication method is urgently needed. Compared with common…

密码学与安全 · 计算机科学 2025-04-02 Yadong Xie , Fan Li , Yu Wang

Since training a deep neural network (DNN) is costly, the well-trained deep models can be regarded as valuable intellectual property (IP) assets. The IP protection associated with deep models has been receiving increasing attentions in…

密码学与安全 · 计算机科学 2023-03-22 Yiming Chen , Jinyu Tian , Xiangyu Chen , Jiantao Zhou

Recently, the use of smart cameras in outdoor settings has grown to improve surveillance and security. Nonetheless, these systems are susceptible to tampering, whether from deliberate vandalism or harsh environmental conditions, which can…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Shadi Attarha , Kanaga Shanmugi , Anna Förster

In this paper we study the suitability of a new generation of CAPTCHA methods based on smartphone interactions. The heterogeneous flow of data generated during the interaction with the smartphones can be used to model human behavior when…

密码学与安全 · 计算机科学 2020-10-07 Alejandro Acien , Aythami Morales , Julian Fierrez , Ruben Vera-Rodriguez , Oscar Delgado-Mohatar

The new trend of full-screen devices implies positioning the camera behind the screen to bring a larger display-to-body ratio, enhance eye contact, and provide a notch-free viewing experience on smartphones, TV or tablets. On the other…

图像与视频处理 · 电气工程与系统科学 2023-11-24 Marcos V. Conde , Florin Vasluianu , Sabari Nathan , Radu Timofte

Counterfeit apps impersonate existing popular apps in attempts to misguide users to install them for various reasons such as collecting personal information or spreading malware. Many counterfeits can be identified once installed, however…

The widespread use of smart devices gives rise to both security and privacy concerns. Fingerprinting smart devices can assist in authenticating physical devices, but it can also jeopardize privacy by allowing remote identification without…

密码学与安全 · 计算机科学 2014-03-14 Anupam Das , Nikita Borisov , Matthew Caesar

The Internet-of-Things (IoT) has brought in new challenges in, device identification --what the device is, and, authentication --is the device the one it claims to be. Traditionally, the authentication problem is solved by means of a…

密码学与安全 · 计算机科学 2018-04-12 Bruhadeshwar Bezawada , Maalvika Bachani , Jordan Peterson , Hossein Shirazi , Indrakshi Ray , Indrajit Ray

Performance is a critical challenge in mobile image processing. Given a reference imaging pipeline, or even human-adjusted pairs of images, we seek to reproduce the enhancements and enable real-time evaluation. For this, we introduce a new…

图形学 · 计算机科学 2017-08-24 Michaël Gharbi , Jiawen Chen , Jonathan T. Barron , Samuel W. Hasinoff , Frédo Durand

Fingerprint recognition requires a minimal effort from the user, does not capture other information than strictly necessary for the recognition process, and provides relatively good performance. A critical step in fingerprint identification…

计算机视觉与模式识别 · 计算机科学 2014-02-21 Amira Mohammad Abdel-Mawgoud Saleh

With the development of deep learning technologies, attribute recognition and person re-identification (re-ID) have attracted extensive attention and achieved continuous improvement via executing computing-intensive deep neural networks in…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Zichuan Xu , Jiangkai Wu , Qiufen Xia , Pan Zhou , Jiankang Ren , Huizhi Liang

Recently, occluded person re-identification(Re-ID) remains a challenging task that people are frequently obscured by other people or obstacles, especially in a crowd massing situation. In this paper, we propose a self-supervised deep…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Mi Zhou , Hongye Liu , Zhekun Lv , Wei Hong , Xiai Chen

Attendance Management System (AMS) can be made into smarter way by using face recognition technique, where we use a CCTV camera to be fixed at the entry point of a classroom, which automatically captures the image of the person and checks…

计算机与社会 · 计算机科学 2014-01-24 MuthuKalyani. K , VeeraMuthu. A

Biometric-based verification is widely employed on the smartphones for various applications, including financial transactions. In this work, we present a new multimodal biometric dataset (face, voice, and periocular) acquired using a…

Person re-identification is a critical security task for recognizing a person across spatially disjoint sensors. Previous work can be computationally intensive and is mainly based on low-level cues extracted from RGB data and implemented on…

计算机视觉与模式识别 · 计算机科学 2016-11-17 George Cushen

Object detection in camera images, using deep learning has been proven successfully in recent years. Rising detection rates and computationally efficient network structures are pushing this technique towards application in production…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Felix Nobis , Maximilian Geisslinger , Markus Weber , Johannes Betz , Markus Lienkamp