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NGC 1333

by Alejandro Tombolini

Introduction

Image of LorenzoM publicated in Image Processing Challenges - Complete description of a Luminance - Main notes: MaskedStretch, GREYStoration for noise reduction, LocalHistogramEqualization for contrast. Date: Jun 2012.

Processing

ImageCalibration, StarAlignment and ImageIntegration.

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Crop.

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DynamicBackgroundExtraction. First duplicate the image to see where to put the samples and then use the instance over the original image.

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NGC 1333

MaskedStretch and HistogramTransformation to clip shadows.

NGC 1333

MaskedStretch and HistogramTransformation to clip shadows.

NGC 1333

MaskedStretch and HistogramTransformation to clip shadows.

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Noise Reduction whit MultiscaleMedianTransform.

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StarMask to protect stars and apply HDRMultiscaleTransform twice.

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Range mask to protect while noise reduction with GREYCstoration tool in the background.

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Invert the mask to protect background and ExponentialTransformation.

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Duplicate the image and use as mask to protect lights and apply LocalHistogramEqualization.

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Noise reduction once again with ATrousWaveletTransform.

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Final image.

NGC 1333

Last Update: 23/03/2014 20:20 UT

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