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.
PixInsight is the brainchild of Juan Conejero, a Spanish software developer who has led Vicent Peris and the 'PTeam' since 2004 in PI's development. If you're new to image processing, PixInsight is a very powerful and much less expensive alternative to Photoshop. New modules are being added all the time, eliminating the need for astrospecific, 3rdparty plugins as with Photoshop. Because it was specifically designed for Astrophotography, it has definite advantages over Photoshop and we can see a time in the near future when its postprocessing abilities will surpass Photoshop in many areas.
PixInsight Part2 Series Extras
PixInsight Sample Workflow
Warren's New Instance Process Icons
Follow this link to download Referenced Tutorial Images
Follow this link to download Sample Project
WEB Links referenced in PixInsight Part2
Take advantage of the Special Feature Icons at the bottom right of the player. These include Closed Captioning, Chapter Selection, Search and Speed Control.
Preview 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 
Preview 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 
Preview 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

Preview 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

Preview 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

PixInsight Part1 available for purchase