A no -reference quality evaluation method for CFA Demosaicking

A no -reference quality evaluation method for CFA Demosaicking

Color filter array demosaicking is one of the key components in a image signal processing pipeline. In this paper, a no-reference quality evaluation method is introduced for CFA demosaicking, where the concept of double interpolation is applied. In addition, the double interpolation (DI) scheme can...

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Hauptverfasser: Yi-Nung Liu, Yi-Chun Lin, Shao-Yi Chien
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Sprache:eng
Schlagworte:
Array signal processing
Interpolation
Measurement
Nonlinear filters
Pixel
PSNR
Quality assessment
Sensor arrays
Signal processing algorithms
Testing
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Shao-Yi Chien
description Color filter array demosaicking is one of the key components in a image signal processing pipeline. In this paper, a no-reference quality evaluation method is introduced for CFA demosaicking, where the concept of double interpolation is applied. In addition, the double interpolation (DI) scheme can be used to locate the interpolation artifacts which make us uncomfortable. Experimental results show that the DI difference map can provide local quality assessments and the DI PSNR can provide a very good estimation of PSNR without ground truth image as a global quality assessment.
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subjects Array signal processing
Interpolation
Measurement
Nonlinear filters
Pixel
PSNR
Quality assessment
Sensor arrays
Signal processing algorithms
Testing
title A no -reference quality evaluation method for CFA Demosaicking
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