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ECCV
2010
Springer
13 years 6 months ago
Spatial-Temporal Granularity-Tunable Gradients Partition (STGGP) Descriptors for Human Detection
Abstract. This paper presents a novel descriptor for human detection in video sequence. It is referred to as spatial-temporal granularity -tunable gradients partition (STGGP), whic...
Yazhou Liu, Shiguang Shan, Xilin Chen, Janne Heikk...
SOUPS
2009
ACM
14 years 3 months ago
Balancing usability and security in a video CAPTCHA
We present a technique for using content-based video labeling as a CAPTCHA task. Our CAPTCHAs are generated from YouTube videos, which contain labels (tags) supplied by the person...
Kurt Alfred Kluever, Richard Zanibbi
HUC
2007
Springer
14 years 3 months ago
Security by Spatial Reference: Using Relative Positioning to Authenticate Devices for Spontaneous Interaction
Spontaneous interaction is a desirable characteristic associated with mobile and ubiquitous computing. The aim is to enable users to connect their personal devices with devices en...
Rene Mayrhofer, Hans Gellersen, Mike Hazas
OZCHI
2005
ACM
14 years 2 months ago
Spy-resistant keyboard: more secure password entry on public touch screen displays
Current software interfaces for entering text on touch screen devices mimic existing mechanisms such as keyboard typing or handwriting. These techniques are poor for entering priv...
Desney S. Tan, Pedram Keyani, Mary Czerwinski
CASSIS
2004
Springer
14 years 2 months ago
History-Based Access Control and Secure Information Flow
Abstract. This paper addresses the problem of static checking of programs to ensure that they satisfy confidentiality policies in the presence of dynamic access control in the for...
Anindya Banerjee, David A. Naumann