285 search results - page 3 / 57 » Estimating demosaicing algorithms using image noise variance |
PAMI
2008
14 years 11 months ago
2008
Image denoising algorithms often assume an additive white Gaussian noise (AWGN) process that is independent of the actual RGB values. Such approaches cannot effectively remove colo...
ICIAP
2007
ACM
15 years 5 months ago
2007
ACM
Digital images in general, and radiographies in particular, are mainly affected by photon counting noise. In this paper, we provide a method to estimate the gain of the imaging se...
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ICIP
2006
IEEE
16 years 1 months ago
2006
IEEE
This paper proposes a hardware architecture of a video noise estimation algorithm capable of real-time processing. The objectives consist of adapting a computationally demanding n...
TIP
2011
14 years 6 months ago
2011
—The removal of Poisson noise is often performed through the following three-step procedure. First, the noise variance is stabilized by applying the Anscombe root transformation ...
ICIP
2005
IEEE
16 years 1 months ago
2005
IEEE
A spatially adaptive image deblurring algorithm is presented for Poisson observations. It adapts to the unknown image smoothness by using local polynomial approximation (LPA) kern...