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» Adding Security to Compressed Information Retrieval Systems
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SIGIR
1996
ACM
15 years 3 months ago
Evaluating User Interfaces to Information Retrieval Systems: A Case Study on User Support
Designing good user interfaces to information retrieval systems is a complex activity. The design space is large and evaluation methodologies that go beyond the classical precisio...
Giorgio Brajnik, Stefano Mizzaro, Carlo Tasso
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
15 years 5 months ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...
87
Voted
FC
2007
Springer
119views Cryptology» more  FC 2007»
15 years 5 months ago
Improving Usability by Adding Security to Video Conferencing Systems
Many video conferencing solutions exist in the market today and many new ones are being introduced. In striving to provide an experience to users as close to “being there” as p...
April Slayden Mitchell, Alan H. Karp
MTA
2007
133views more  MTA 2007»
14 years 11 months ago
Compressed domain video retrieval using object and global motion descriptors
Video content description has become an important task with the standardization effort of MPEG-7, which aims at easy and efficient access to visual information. In this paper we ...
R. Venkatesh Babu, K. R. Ramakrishnan
SIGIR
2010
ACM
15 years 3 months ago
Clicked phrase document expansion for sponsored search ad retrieval
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
Dustin Hillard, Chris Leggetter