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IJNSEC
2008
109views more  IJNSEC 2008»
15 years 6 months ago
A Multi-band Wavelet Watermarking Scheme
This paper presents a new multi-band wavelet watermarking scheme. Compared with conventional watermarking schemes implemented in two-band wavelet domain, by incorporating the prin...
Xiangui Kang, Wenjun Zeng, Jiwu Huang
IJHPCA
2007
88views more  IJHPCA 2007»
15 years 6 months ago
A Portable Method for Finding User Errors in the Usage of MPI Collective Operations
An MPI profiling library is a standard mechanism for intercepting MPI calls by applications. Profiling libraries are so named because they are commonly used to gather runtime in...
Christopher Falzone, Anthony Chan, Ewing L. Lusk, ...
TIFS
2008
120views more  TIFS 2008»
15 years 6 months ago
Determining Image Origin and Integrity Using Sensor Noise
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
Mo Chen, Jessica J. Fridrich, Miroslav Goljan, Jan...
MTA
2002
195views more  MTA 2002»
15 years 6 months ago
Shot Partitioning Based Recognition of TV Commercials
Digital video applications exploit the intrinsic structure of video sequences. In order to obtain and represent this structure for video annotation and indexing tasks, the main ini...
Juan María Sánchez, Xavier Binefa, J...
SIGMETRICS
1998
ACM
127views Hardware» more  SIGMETRICS 1998»
15 years 6 months ago
On Calibrating Measurements of Packet Transit Times
We discuss the problem of detecting errors in measurements of the total delay experienced by packets transmitted through a wide-area network. We assume that we have measurements o...
Vern Paxson