CVPR
2012
IEEE
11 years 6 months ago
2012
IEEE
In this paper, we address the problem of video object segmentation, which is to automatically identify the primary object and segment the object out in every frame. We propose a n...
SIAMMAX
2011
12 years 7 months ago
2011
A sufficient condition for the convexity of a finite product of positive definite quadratic forms is given in terms of the condition numbers of the underlying matrices. When only...
JSC
1998
13 years 4 months ago
1998
The nearest singular polynomials to a given polynomial have been studied in [1], based on minimization of quadratic forms. An equivalent expression of the quadratic form is present...
TWC
2008
13 years 4 months ago
2008
In this paper, the statistics of quadratic forms in normal random variables (RVs) are studied and their impact on performance analysis of wireless communication systems is explored...
NECO
2006
13 years 4 months ago
2006
In this paper we introduce some mathematical and numerical tools to analyze and interpret inhomogeneous quadratic forms. The resulting characterization is in some aspects similar ...
ICASSP
2008
IEEE
13 years 10 months ago
2008
IEEE
The maximization of a full-rank quadratic form over a finite alphabet is NP-hard in both a worst-case sense and an average sense. Interestingly, if the rank of the form is not a ...