Noise Estimation for Image Sensor Based on Local Entropy and Median Absolute Deviation
Noise estimation for image sensor is a key technique in many image pre-processing applications such as blind de-noising. The existing noise estimation methods for additive white Gaussian noise (AWGN) and Poisson-Gaussian noise (PGN) may underestimate or overestimate the noise level in the situation...
Main Authors: | Yongsong Li, Zhengzhou Li, Kai Wei, Weiqi Xiong, Jiangpeng Yu, Bo Qi |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-01-01
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Series: | Sensors |
Subjects: | |
Online Access: | http://www.mdpi.com/1424-8220/19/2/339 |
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