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Analyzing the gaze accuracy characteristics of an eye tracker is a critical task as its gaze data is frequently affected by non-ideal operating conditions in various consumer eye tracking applications. In this study, gaze error patterns…

信号处理 · 电气工程与系统科学 2020-05-11 Anuradha Kar

This study presents a novel classroom surveillance system that integrates multiple modalities, including drowsiness, tracking of mobile phone usage, and face recognition,to assess student attentiveness with enhanced precision.The system…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Ameer Hamza , Zuhaib Hussain But , Umar Arif , Samiya , M. Abdullah Asad , Muhammad Naeem

Estimation of 3D gaze is highly relevant to multiple fields, including but not limited to interactive systems, specialized human-computer interfaces, and behavioral research. Although recently deep learning methods have boosted the accuracy…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Gabriel Lefundes , Luciano Oliveira

We develop new efficient online algorithms for detecting transient sparse signals in TEM video sequences, by adopting the recently developed framework for sequential detection jointly with online convex optimization [1]. We cast the problem…

应用统计 · 统计学 2017-11-01 Y. Cao , S. Zhu , Y. Xie , J. Key , J. Kacher , R. R. Unocic , C. M. Rouleau

Membership Inference Attacks have emerged as a dominant method for empirically measuring privacy leakage from machine learning models. Here, privacy is measured by the {\em{advantage}} or gap between a score or a function computed on the…

机器学习 · 计算机科学 2024-05-27 Ruihan Wu , Pengrun Huang , Kamalika Chaudhuri

Amidst the rise of Large Multimodal Models (LMMs) and their widespread application in generating and interpreting complex content, the risk of propagating biased and harmful memes remains significant. Current safety measures often fail to…

人工智能 · 计算机科学 2025-05-01 Xuanyu Su , Yansong Li , Diana Inkpen , Nathalie Japkowicz

We present a learning approach for localization and segmentation of objects in an image in a manner that is robust to partial occlusion. Our algorithm produces a bounding box around the full extent of the object and labels pixels in the…

计算机视觉与模式识别 · 计算机科学 2015-07-29 Samarth Brahmbhatt , Heni Ben Amor , Henrik Christensen

Multiple Instance Learning (MIL) involves predicting a single label for a bag of instances, given positive or negative labels at bag-level, without accessing to label for each instance in the training phase. Since a positive bag contains…

机器学习 · 计算机科学 2020-09-09 Beomjo Shin , Junsu Cho , Hwanjo Yu , Seungjin Choi

Wearing a face mask is one of the adjustments we had to follow to reduce the spread of the coronavirus. Having our faces covered by masks constantly has driven the need to understand and investigate how this behavior affects the recognition…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Mohammed R. Al-Sinan , Aseel F. Haneef , Hamzah Luqman

Face forgery techniques have emerged as a forefront concern, and numerous detection approaches have been proposed to address this challenge. However, existing methods predominantly concentrate on single-face manipulation detection, leaving…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Chenhao Lin , Fangbin Yi , Hang Wang , Qian Li , Deng Jingyi , Chao Shen

Stance detection in fake news is an important component in news veracity assessment because this process helps fact-checking by understanding stance to a central claim from different information sources. The Fake News Challenge Stage 1…

计算与语言 · 计算机科学 2019-09-27 Wenjun Liao , Chenghua Lin

Recent deep learning approaches in table detection achieved outstanding performance and proved to be effective in identifying document layouts. Currently, available table detection benchmarks have many limitations, including the lack of…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Mrinal Haloi , Shashank Shekhar , Nikhil Fande , Siddhant Swaroop Dash , Sanjay G

Latest gaze estimation methods require large-scale training data but their collection and exchange pose significant privacy risks. We propose PrivatEyes - the first privacy-enhancing training approach for appearance-based gaze estimation…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Mayar Elfares , Pascal Reisert , Zhiming Hu , Wenwu Tang , Ralf Küsters , Andreas Bulling

Real-time object pose estimation is necessary for many robot manipulation algorithms. However, state-of-the-art methods for object pose estimation are trained for a specific set of objects; these methods thus need to be retrained to…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Qiao Gu , Brian Okorn , David Held

The Forensics Investigations Network in Digital Sciences (FINDS) Research Center of Excellence (CoE), funded by the U.S. Army Research Laboratory, advances Digital Forensic Engineering Education (DFEE) through an integrated research…

The paper addresses face presentation attack detection in the challenging conditions of an unseen attack scenario where the system is exposed to novel presentation attacks that were not present in the training step. For this purpose, a pure…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Shervin Rahimzadeh Arashloo

Medical applications have benefited greatly from the rapid advancement in computer vision. Considering patient monitoring in particular, in-bed human posture estimation offers important health-related metrics with potential value in medical…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Ting Cao , Mohammad Ali Armin , Simon Denman , Lars Petersson , David Ahmedt-Aristizabal

Model-based eye tracking has been a dominant approach for eye gaze tracking because of its ability to generalize to different subjects, without the need of any training data and eye gaze annotations. Model-based eye tracking, however, is…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Qiang Ji , Kang Wang

We present a practical method for protecting data during the inference phase of deep learning based on bipartite topology threat modeling and an interactive adversarial deep network construction. We term this approach \emph{Privacy…

密码学与安全 · 计算机科学 2018-12-10 Jianfeng Chi , Emmanuel Owusu , Xuwang Yin , Tong Yu , William Chan , Patrick Tague , Yuan Tian

A growing number of universities worldwide use various forms of online and blended learning as part of their academic curricula. Furthermore, the recent changes caused by the COVID-19 pandemic have led to a drastic increase in importance…

机器学习 · 计算机科学 2022-09-05 Galina Deeva , Johannes De Smedt , Cecilia Saint-Pierre , Richard Weber , Jochen De Weerdt