Mohamed Khamis
Mohamed Khamis

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Bibliometrics: publication history
Average citations per article3.94
Citation Count67
Publication count17
Publication years2015-2017
Available for download17
Average downloads per article109.12
Downloads (cumulative)1,855
Downloads (12 Months)1,267
Downloads (6 Weeks)183
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18 results found Export Results: bibtexendnoteacmrefcsv

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1 published by ACM
January 2018 Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies: Volume 1 Issue 4, December 2017
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 7,   Downloads (12 Months): 7,   Downloads (Overall): 7

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The parallax effect describes the displacement between the perceived and detected touch locations on a touch-enabled surface. Parallax is a key usability challenge for interactive displays, particularly for those that require thick layers of glass between the screen and the touch surface to protect them from vandalism. To address this ...
Keywords: Gaze, Touch screens, Parallax, Public Displays

2 published by ACM
November 2017 MUM '17: Proceedings of the 16th International Conference on Mobile and Ubiquitous Multimedia
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 9,   Downloads (12 Months): 9,   Downloads (Overall): 9

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Today's workplaces are dynamic and complex. Digital data sources such as email and video conferencing aim to support workers but also add to their burden of multitasking. Psychophysiological sensors such as Electroencephalography (EEG) can provide users with cues about their cognitive state. We introduce BrainAtWork, a workplace engagement and task ...
Keywords: EEG, workplace logging, multitasking

3 published by ACM
November 2017 MUM '17: Proceedings of the 16th International Conference on Mobile and Ubiquitous Multimedia
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 0

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Many of the authentication schemes for mobile devices that were proposed lately complicate shoulder surfing by splitting the attacker's attention into two or more entities. For example, multimodal authentication schemes such as GazeTouchPIN and GazeTouchPass require attackers to observe the user's gaze input and the touch input performed on the ...
Keywords: multiple observers, privacy, gaze gestures, shoulder surfing, multimodal authentication, threat model

4 published by ACM
November 2017 MUM '17: Proceedings of the 16th International Conference on Mobile and Ubiquitous Multimedia
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 0

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While the eyes are very important in human communication, once a user puts on a head mounted display (HMD), the face is obscured from the outside world's perspective. This leads to communication problems when bystanders approach or collaborate with an HMD user. We introduce transparentHMD, which employs a head-coupled perspective ...
Keywords: head-mounted displays, eyes, face, virtual reality, gaze

5 published by ACM
November 2017 ICMI 2017: Proceedings of the 19th ACM International Conference on Multimodal Interaction
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 11,   Downloads (12 Months): 35,   Downloads (Overall): 35

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Although mobile devices provide access to a plethora of sensitive data, most users still only protect them with PINs or patterns, which are vulnerable to side-channel attacks (e.g., shoulder surfing). How-ever, prior research has shown that privacy-aware users are willing to take further steps to protect their private data. We ...
Keywords: Multimodal Authentication, Gaze Gestures, Usable Security

6 published by ACM
October 2017 UIST '17: Proceedings of the 30th Annual ACM Symposium on User Interface Software and Technology
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 21,   Downloads (12 Months): 56,   Downloads (Overall): 56

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While gaze holds a lot of promise for hands-free interaction with public displays, remote eye trackers with their confined tracking box restrict users to a single stationary position in front of the display. We present EyeScout, an active eye tracking system that combines an eye tracker mounted on a rail ...
Keywords: gaze-enabled displays, body tracking, gaze estimation

7 published by ACM
June 2017 PerDis '17: Proceedings of the 6th ACM International Symposium on Pervasive Displays
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 13,   Downloads (12 Months): 52,   Downloads (Overall): 52

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It is well known from prior work, that people interacting as well as attending to a public display attract further people to interact. This behavior is commonly referred to as the honeypot effect. At the same time, there are often situations where an audience is present in the vicinity of ...
Keywords: interactive displays, audience behavior, public displays

8 published by ACM
June 2017 PerDis '17: Proceedings of the 6th ACM International Symposium on Pervasive Displays
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 2,   Downloads (12 Months): 59,   Downloads (Overall): 59

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As public displays continue to deliver increasingly private and personalized content, there is a need to ensure that only the legitimate users can access private information in sensitive contexts. While public displays can adopt similar authentication concepts like those used on public terminals (e.g., ATMs), authentication in public is subject ...
Keywords: multi-factor authentication, pervasive displays, eye gestures

9 published by ACM
May 2017 CHI '17: Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems
Publisher: ACM
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 22,   Downloads (12 Months): 180,   Downloads (Overall): 180

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Research has brought forth a variety of authentication systems to mitigate observation attacks. However, there is little work about shoulder surfing situations in the real world. We present the results of a user survey (N=174) in which we investigate actual stories about shoulder surfing on mobile devices from both users ...
Keywords: mobile devices, privacy, shoulder surfing

10 published by ACM
May 2017 CHI '17: Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems
Publisher: ACM
Bibliometrics:
Citation Count: 5
Downloads (6 Weeks): 15,   Downloads (12 Months): 226,   Downloads (Overall): 226

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PINs and patterns remain among the most widely used knowledge-based authentication schemes. As thermal cameras become ubiquitous and affordable, we foresee a new form of threat to user privacy on mobile devices. Thermal cameras allow performing thermal attacks, where heat traces, resulting from authentication, can be used to reconstruct passwords. ...
Keywords: mobile authentication, touchscreens, thermal imaging

11 published by ACM
December 2016 MUM '16: Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia
Publisher: ACM
Bibliometrics:
Citation Count: 5
Downloads (6 Weeks): 5,   Downloads (12 Months): 40,   Downloads (Overall): 40

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Although recovering from errors is straightforward on most interfaces, public display systems pose very unique design challenges. Namely, public display users interact for very short amounts of times and are believed to abandon the display when interrupted or forced to deviate from the main task. To date, it is not ...
Keywords: gaze interaction, smooth pursuit, voting, public displays

12 published by ACM
September 2016 UbiComp '16: Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 3,   Downloads (12 Months): 119,   Downloads (Overall): 119

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Gaze is an attractive modality for public displays, hence the recent years saw an increase in deployments of gaze-enabled public displays. Although gaze has been thoroughly investigated for desktop scenarios, gaze-enabled public displays present new challenges that are unique to this setup. In contrast to desktop settings, public displays (1) ...
Keywords: gaze-enabled displays, public displays, gaze interaction

13 published by ACM
September 2016 UbiComp '16: Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing
Publisher: ACM
Bibliometrics:
Citation Count: 9
Downloads (6 Weeks): 10,   Downloads (12 Months): 133,   Downloads (Overall): 196

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In this paper we show how reading text on large display can be used to enable gaze interaction in public space. Our research is motivated by the fact that much of the content on public displays includes text. Hence, researchers and practitioners could greatly benefit from users being able to ...
Keywords: text, public displays, gaze interaction, smooth pursuit

14 published by ACM
September 2016 UbiComp '16: Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 3,   Downloads (12 Months): 78,   Downloads (Overall): 78

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Previous work on eye tracking and eye-based human-computer interfaces mainly concentrated on making use of the eyes in traditional desktop settings. With the recent growth of interest in wearable computers, such as smartwatches, smart eyewears and low-cost mobile eye trackers, eye-based interaction techniques for mobile computing are becoming increasingly important. ...
Keywords: gaze-based interaction, eye tracking, wearable and mobile

15 published by ACM
May 2016 CHI EA '16: Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 11,   Downloads (12 Months): 108,   Downloads (Overall): 209

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Bio-sensing wearables are currently advancing to provide users with a lot of information about their physiological and affective states. However, relatively little is known about users' interest in acquiring, sharing and receiving this information and through which channels and modalities. To close this gap, we report on the results of ...
Keywords: wearables, physiological sensing, cognition, emotion

16 published by ACM
May 2016 CHI EA '16: Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems
Publisher: ACM
Bibliometrics:
Citation Count: 14
Downloads (6 Weeks): 20,   Downloads (12 Months): 137,   Downloads (Overall): 263

Full text available: PDFPDF
We propose a multimodal scheme, GazeTouchPass, that combines gaze and touch for shoulder-surfing resistant user authentication on mobile devices. GazeTouchPass allows passwords with multiple switches between input modalities during authentication. This requires attackers to simultaneously observe the device screen and the user's eyes to find the password. We evaluate the ...
Keywords: gaze gestures, multimodal authentication, mobile devices

17 published by ACM
September 2015 UbiComp/ISWC'15 Adjunct: Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers
Publisher: ACM
Bibliometrics:
Citation Count: 13
Downloads (6 Weeks): 4,   Downloads (12 Months): 53,   Downloads (Overall): 140

Full text available: PDFPDF
Smooth pursuit eye movements were recently introduced as a promising technique for calibration-free and thus spontaneous and natural gaze interaction. While pursuits have been evaluated in controlled laboratory studies, the technique has not yet been evaluated with respect to usability in the wild. We report on a field study in ...
Keywords: pervasive displays, public displays, smooth pursuit eye movement, pursuits, field study

18 published by ACM
September 2015 UbiComp/ISWC'15 Adjunct: Adjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers
Publisher: ACM
Bibliometrics:
Citation Count: 8
Downloads (6 Weeks): 5,   Downloads (12 Months): 46,   Downloads (Overall): 142

Full text available: PDFPDF
Falling hardware prices led to a widespread use of public displays. Common interaction techniques for such displays currently include touch, mid-air, or smartphone-based interaction. While these techniques are well understood from a technical perspective, several remaining challenges hinder the uptake of interactive displays among passersby. In this paper we propose ...
Keywords: gaze, pervasive displays, public displays, digital signage, gaze-based interaction



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