451 search results - page 8 / 91 » Processing JPEG-compressed images and documents |
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
?We present a method to automatically localize captions in JPEG compressed images and the I-frames of MPEG compressed videos. Caption text regions are segmented from background ima...
SPIESR
1998
13 years 9 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
TCSV
2008
13 years 7 months ago
2008
Recently, among various data hiding techniques, a new subset, lossless data hiding, has received increasing interest. Most of the existing lossless data hiding algorithms are, howe...
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
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...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Identifying criminals and victims in evidence images, where their faces are covered or obstructed, is a challenging task. In the legal case, United States v. Michael Joseph Pepe (...