De-Linearize the Image
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PixInsight - Finalizing the Image |
De-Linearize the Image |
updated: 2025-07-12 |
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Purpose |
De-Linearize the Image |
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Resources |
For more information about image linearity, watch this PixInsight video about Histograms |
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Input |
An enhanced linear image from the previous step |
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Output |
An stretched non-linear linear image |
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Previous Step |
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Next Steps |
Previous editing steps always used unstretched or linear images. If these were exported, the result would be a mostly black image. Therefore, the final image must be stretched in the last step.
This chapter will show you ways to achieve a stretched final image.
- Histogram Stretch: this is the traditional and the simplest approach
- Masked Stretch: may lead to a flatter image which need further image stretching
- Generalized Hyperbolic Stretch: a script approach to the final stretch
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