1405 search results - page 234 / 281 » Perceptual Image Distortion |
131
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ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
In this paper, an affine invariant watermarking scheme, robust to geometric attacks, is proposed and applied to face regions. Initially, face regions are unsupervisedly extracted ...
123
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ICIAR
2005
Springer
15 years 9 months ago
2005
Springer
As digitalized content rapidly proliferates in networked systems, content security necessarily arises as one of the most important issues. Many developers have studied techniques ...
126
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IWDW
2004
Springer
15 years 9 months ago
2004
Springer
Video transcoding technology is useful for seamless video service to guarantee quality of service (QoS). But video transcoding would distort the watermark signal embedded in the vi...
121
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ROBOCUP
2004
Springer
15 years 9 months ago
2004
Springer
We have developed an automatic calibration method for a global camera system. Firstly, we show how to define automatically the color maps we use for tracking the robots’ markers...
128
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VR
2002
IEEE
15 years 9 months ago
2002
IEEE
A Head Mounted Display system suffers largely from the time lag between human motion and the display output. The concept of Reflex HMD to compensate for the time lag is proposed a...