PixInsight Foundations
Part 2
In Part2 of our PixInsight tutorial series, we'll perform permanent, nonlinear stretches, reduce noise, develop amazing detail, and perform many other enhancements using the power of multiscale wavelets transformations.
Series Quick Links
Part2 Course Materials
The folders below contain the materials that are referenced in this series:

PixInsight Sample Workflows

Warren's New Instance Process Icons

WEB Links referenced in PixInsight Part2
Thanks to David Plesko Cherry Mountain Observatory for NGC 253
Follow this link to download the Sample Project
PI0 Introduction to PixInsight Part2. PI version 1.8 'Ripley', changes to the Camtasia Video Player. 3:15min
PI1 Linear1 Noise reduction in the linear state. Introduction to Wavelets, the ExtractWaveletLayers script and the ATrousWaveletTransform process are introduced. 5:49min
PI2 Linear2 Noise reduction in the linear state continues with the ATrousWaveletTransform process. PixelMath is introduced. 5:49min
PI3 Linear3 The essentials of Nonlinear Stretching. The DigitalDevelopment process is detailed. 5:15min
PI4 Linear4 IntensityTransformations. Nonlinear stretching continues with the AutoHistogram and AdaptiveStretch processes. 5:58 min
PI5 Linear5 IntensityTransformations continue with more on AdaptiveStretch, and the HistogramTransformation process is introduced. 7:02min
PI6 Linear6 IntensityTransformations continue with more on the very powerful HistogramTransformation PI's primary tool for nonlinear stretching. 6:57min
PI7 Nonlinear1 IntensityTransformations continue with the CurvesTransformation process, and LocalHistogramEqualization is introduced. 6:00min
PI8 Nonlinear2 IntensityTransformations continue with LocalHistogramEqualization. The ExponentialTransformation process is also introduced. 6:28min
PI9 Nonlinear3 Latest 1.8 Ripley revision, L* correction w/ LinearFit, ChannelExtraction, and ChannelCombination, LRGBCombination of monochromatic Luminance and Chrominance, Chrominance Noise Reduction 7:03min
PI10 Nonlinear4 Noise Reduction with the MultiscaleMedianTransform and Adaptive ContrastDriven Noise Reduction (ACDNR) processes are detailed. 6:59min
PI11 Nonlinear5 Noise Reduction continues with ACDNR. Edge and Star Protection, and the Lightness Mask are covered. 4:40min
PI12 Nonlinear6 Noise Reduction with ACDNR continues. GREYCstoration and the brand new TGVDenoise are introduced. 4:37min
PI13 Nonlinear7 The new TGVDenoise process is profiled. 7:31min
PI14 Nonlinear8 Noise Reduction tools are wrapped up with SCNR. 3:22min
PI15 Nonlinear9 The HDRMultiscaleTransform process is profiled. Compress images with higher dynamic ranges and develop amazing detail with the push of a button! 5:38min
PI16 Nonlinear10 Both the GradientHDRCompression process, and the DarkStructureEnhance script are profiled. 6:54min
PI17 Nonlinear11 ATrousWavelet and MultiscaleMedian transforms for sharpening and enhancement are profiled. The UnsharpMask process is introduced. 5:10min
PI18 Nonlinear12 We continue with layerbased sharpening and enhancement using ATrousWavelet and MultiscaleMedian transforms. 4:16min
PI19 Nonlinear13 The UnsharpMask process for image enhancement is detailed. Also demonstrated is the Annotation text tool. 5:02min
PI20 Nonlinear14 Painting continues with the CloneStamp process for repair and alteration of images and masks. 5:17min
PI21 Nonlinear15 The MorphologicalTransformation process is introduced for the improvement of stars. 4:03min
PI22 Nonlinear16 Introduces the ColorSaturation process for selective color adjustments, and digs deeper into CurvesTransformation's Saturation channel. 5:17min
PI23 Nonlinear17 Color Profiling The ICCProfileTransformation process is introduced for converting aRGB to the sRGB color space. The ColorManagementSetup is also reviewed. 3:40min
PI24 Nonlinear18 The Resample process for resizing images is profiled. Also covered is the Save As dialog for altering file format and bitdepth. 6:02min
PI25 Addendum1 Featured are the STF's new Boosted Stretch, and the exciting, new MaskedStretch process. 6:51min
PI26 Addendum2 The DynamicAlignment, and Blink processes are detailed. Also covered is an alternate way to open the program. 5:42min
PI27 WrapUp We look ahead to Part3 of the PixInsight Series from IP4AP.com. 2:36min