780 search results - page 21 / 156 » Detecting Irregularities in Images and in Video |
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Optimal mode selection for video coding is important in minimizing visual distortion given a rate constraint, and it has been studied in the literature using a single previous mac...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
A new method for detecting shot boundaries in video sequences using metrics based on information theory is proposed. The method relies on the mutual information and the joint entr...
ICIP
2009
IEEE
13 years 5 months ago
2009
IEEE
This paper starts from the idea of automatically choosing the appropriate thresholds for a shadow detection algorithm. It is based on the maximization of the agreement between two...
IWDW
2004
Springer
14 years 22 days 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...
CIVR
2003
Springer
14 years 18 days ago
2003
Springer
In this paper we describe new methods to detect semantic concepts from digital video based on audible and visual content. Temporal Gradient Correlogram captures temporal correlatio...