A new and reliable Poisson noise estimator for radiographic images
- I. Frosio
- N. A. Borghese
- M. Lucchese
Publication date
January 2007
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
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 sensor and the variance of the photon counting noise associated to each image grey level. This is useful to multiple scopes, like reverse engineering and denoising
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