511 search results - page 1 / 103 » Adding Security to Compressed Information Retrieval Systems |
SPIRE
2001
Springer
13 years 9 months ago
2001
Springer
Word-based Huffman coding has widespread use in information retrieval systems. Besides its compressing power, it also enables the implementation of both indexing and searching sch...
APCCAS
2002
IEEE
13 years 10 months ago
2002
IEEE
In this paper, we develop a robust bit-plane watermarking technique based on zerotree coding. A robust watermark is an imperceptible but indelible code that can be used for owners...
ITCC
2003
IEEE
13 years 10 months ago
2003
IEEE
Information retrieval is the selection of documents relevant to a query. Inverted index is the conventional way to store the index of the collection. Because of the large amounts ...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
This paper proposes a detailed framework of storing privacy information in surveillance video as a watermark. Authorized personnel is not only removed from the surveillance video ...
SIGIR
1999
ACM
13 years 9 months ago
1999
ACM
We present a new method for information retrievalusing hidden Markov models (HMMs). We develop a general framework for incorporating multiple word generation mechanisms within the...