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ETRICS
2006
13 years 11 months ago
Visual Document Authentication Using Human-Recognizable Watermarks
Digital signatures and message authentication codes are well known methods for ensuring message integrity. However, they rely on computations which are too hard to be performed by ...
Igor Fischer, Thorsten Herfet
ICIP
2010
IEEE
13 years 5 months ago
Comparison of local feature descriptors for mobile visual search
We evaluate the performance of MPEG-7 image signatures, Compressed Histogram of Gradients descriptor (CHoG) and Scale Invariant Feature Transform (SIFT) descriptors for mobile vis...
Vijay Chandrasekhar, David M. Chen, Andy Lin, Gabr...
ICMCS
2007
IEEE
137views Multimedia» more  ICMCS 2007»
13 years 7 months ago
Efficient Near-Duplicate Keyframe Retrieval with Visual Language Models
Near-duplicate keyframe retrieval is a critical task for video similarity measure, video threading and tracking. In this paper, instead of using expensive point-to-point matching ...
Xiao Wu, Wanlei Zhao, Chong-Wah Ngo
JIIS
1998
110views more  JIIS 1998»
13 years 7 months ago
Information Visualization Within a Digital Video Library
The Informedia Digital Video Library contains over a thousand hours of video, consuming over a of disk space. This paper summarizes the multimedia abstractions used to represent th...
Michael G. Christel, David Martin
PR
2008
239views more  PR 2008»
13 years 7 months ago
A real-time object detecting and tracking system for outdoor night surveillance
Autonomous video surveillance and monitoring has a rich history. Many deployed systems are able to reliably track human motion in indoor and controlled outdoor environments. Howev...
Kaiqi Huang, Liangsheng Wang, Tieniu Tan, Stephen ...