Transformation of image-signal-dependent noise into imagesignal-independent noise

Paul R. Prucnal, Bahaa E.A. Saleh

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


A point transformation, the normalizing transform, is presented, which, when applied to a measured noisy image, renders its noise signal independent. The transform is suitable for arbitary noise-to-signal dependence. We demonstrate its applicability and its limitations by using, as an example, noisy signals that belong to a family of gammadistributed random variables with power-law variance-to-mean dependence. Its normalizing and variance-stabilizing properties are studied.

Original languageEnglish (US)
Pages (from-to)316-318
Number of pages3
JournalOptics Letters
Issue number7
StatePublished - Jul 1981
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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