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Poisson Noise Reduction with Non-local PCA

Salmon, Joseph, Harmany, Zachary, Deledalle, Charles-Alban, Willett, Rebecca·2014·Journal of Mathematical Imaging and Vision

Abstract

Photon-limited imaging arises when the number of photons collected by a sensor array is small relative to the number of detector elements. Photon limitations are an important concern for many applications such as spectral imaging, night vision, nuclear medicine, and astronomy. Typically a Poisson distribution is used to model these observations, and the inherent heteroscedasticity of the data combined with standard noise removal methods yields significant artifacts. This paper introduces a novel denoising algorithm for photon-limited images which combines elements of dictionary learning and sparse patch-based representations of images. The method employs both an adaptation of Principal Component Analysis (PCA) for Poisson noise and recently developed sparsity-regularized convex optimization algorithms for photon-limited images. A comprehensive empirical evaluation of the proposed method helps characterize the performance of this approach relative to other state-of-the-art denoising methods. The results reveal that, despite its conceptual simplicity, Poisson PCA-based denoising appears to be highly competitive in very low light regimes.

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Metadata

Authors
Salmon, J., Harmany, Z., Deledalle, C.-A., & Willett, R.
Venue
Journal of Mathematical Imaging and Vision
Published
2013-04-06
Volume
48
Issue
2
Pages
279-294
ISSN
  • 0924-9907 (ISSN-L)
  • 1573-7683
OpenAlex
W2568381517
Cited by
294
References
45
FWCI
18.96
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Poisson Noise Reduction with Non-local PCA. https://app.cochat.ai/papers/10.1007/s10851-013-0435-6
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Salmon, J., Harmany, Z., Deledalle, C.-A., & Willett, R. (2014). Poisson Noise Reduction with Non-local PCA. Journal of Mathematical Imaging and Vision. https://doi.org/10.1007/s10851-013-0435-6

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