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IJNSEC
2007
194views more  IJNSEC 2007»
13 years 5 months ago
Covert Channel Forensics on the Internet: Issues, Approaches, and Experiences
The exponential growth of the Internet (WWW in particular) has opened-up several avenues for covert channel communication. Steganographic communication is one such avenue. Hiding ...
Ashish Patel, M. Shah, Rajarathnam Chandramouli, K...
ICIP
2006
IEEE
14 years 7 months ago
Image Compression using Object-Based Regions of Interest
A new architecture for region of interest (ROI) image coding is proposed. ROIs are defined as image regions containing objects of interest, and an efficient algorithm proposed for...
Sunhyoung Han, Nuno Vasconcelos
CHI
2004
ACM
14 years 5 months ago
IDeixis: image-based Deixis for finding location-based information
In this paper we describe an image-based approach to finding location-based information from camera-equipped mobile devices. We introduce a point-by-photograph paradigm, where user...
Tom Yeh, Konrad Tollmar, Trevor Darrell
WWW
2009
ACM
14 years 6 months ago
What's up CAPTCHA?: a CAPTCHA based on image orientation
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
Rich Gossweiler, Maryam Kamvar, Shumeet Baluja
SAC
2003
ACM
13 years 10 months ago
Image Retrieval With Embedded Region Relationships
Image retrieval based on content from digital libraries, multimedia databases, the Internet, and other sources has been an important problem addressed by several researchers. In t...
Sharat Chandran, Naga Kiran