Image16

Features

• Arithmetic functions between image and image buffer with copy/paste
• AsinH, Sqrt, Ln, Exp and Sqr stretching of image or LRGB channels
• Stretches with simmetry point and shadows/highlights protection
• ASTRO-TIFF 1.0 support
• Auto ASinH stretching, RGB and Mono
• Auto Median stretching, RGB and Mono
• Background Extraction for Color Balance, Flatness Correction and Gradient Reduction
• Blurring: Blur, Box, Gaussian with protected Gauss Blur chroma/luma operation (bilateral blur)
• Channel add operation for SHO addition to LRGB images
• Channel/Image registering through platesolving
• CLAHE (contrast limited adaptive histogram equalization) - locally improves contrast in images limiting noise amplification
• Color space conversion RGB / HSL / CIE L*a*b* / YCbCr
• Command line parameters and options to allow scripting
• Copy/Paste of XCF top layer (16 and 32 bits)
• Curves adjusting RGB / HSL / L*a*b*
• Dark subtraction and Flat division
• Debayering and Bayering (bilinear)
• Draw shapes/text on selection
• EAA (electronically assisted astronomy) support
• Edge detection: Laplacian, Laplacian of Gaussian, High Pass, Blur Map
• Exports/Imports RGBL channels into/from another window for separate processing (stretching, background extraction, chroma noise reduction, etc...)
• FFT contrasting/denoising - frequency equalizer
• Fullscreen mode
• Gamma adjusting (with sRGB/Linear quick operations)
• G'MIC interface - execute any G'MIC commands over the current image
• G'MIC special commands interface for image denoising / deblurring
• Gradient Tool for gradient removal - select two points in the image to extract a gradient background and remove it
• Gray Scale and Channels Extraction
• Histogram display, equalization and specification
• HSL and RGB adjusting
• Image barrel/pincushion correction and geometric stretching
• Image inversion, mirroring, rotation
• Image Math - apply operations to images having the main, buffer, mask and clipboard images as operators or result
• Image rank operations: Erode, Dilate, Open, Close, Variance, StdDev, Mode
• Image rank operations: Mean, Median, Geometric Mean, RMS, Wiener, MMWF and MMWF*
• Image resizing and cropping with auto cropping of borders
• Image tinting
• Imports and exports PSD image files (merged image only)
• Imports and exports XCF image files (top layer only)
• Imports and exports XISF image files
• Imports SBIG Type 3 Images
• Imports ORA image files
• Imports RAW image files using dcraw.exe
• Imports SER frames
• Includes Bright Star Catalogue up to magnitude 5 and Tycho 2 Catalogue up to magnitude 12 color index and magnitude information allowing for Star B-V color data to be used to color balance plate solved images
• Includes UCAC4 Catalogue magnitudes and color indexes for stars between magnitudes 12 and 14 as extra
• Interfaces with Starnet++ 1.1 and 2.0 for starless image extraction
• LCE (local contrast enhancement)
• Levels adjustment
• Levels RGB auto background helpers
• Local Normalization (adapted from description)
• LRGB/SHO channel processing
• Lucy-Richardson deconvolution - gauss PSF and custom PSF
• Radial multi PSF Lucy-Richardson deconvolution, variable PSF size and rotation
• Macro recording, playing, saving and loading - repeat/redo operations
• Masked Undo (allows to undo previous operation using a mask of pixel undo levels), mask generation from image (transfer curve)
• Max merge channel operation for SHO addition to LRGB images
• Modulate Saturation by Lightness (HSL)
• Mouse draw/clone/undo/blur/unsharp/lighten/darken
• Opens and saves TIF, FITS, PNG, JPG and BMP image files
• Optionally performs initial ASinH stretch on 32bits TIF and FITS images before converting to 16bits
• PIP (power of inverted pixels) (adapted from description) - shadows enhancement
• Plate solving through ANSVR local instalation or Astrometry, nova.astrometry.net or local mirror. Image submission and star list submission avaliable (star list only on astrometry)
• Plot (annotation) image generation from plate solve information and DSO/Stars internal databases of positions/radius and also outlines
• Resize/Rotate interpolations: Nearest, Linear, Cosine, Cubic, Lanczos
• RGB alignment/shifting/rotation/resizing (with custom rotation center)
• RGB alignment to image maximum point (ideal after debayering)
• SCNR (subtractive chromatic noise reduction) (adapted from description) - green noise removal
• SGBNR (gauss blur with details protected by Laplace mask) (adapted from description)
• Sharpening: Unsharp Mask (Gaussian) with chroma/luma operation
• SMI Enhancement (adapted from description) - enhancement of faint detail
• Star Extraction - fast draft star extraction for separate processing
• Uses ASCOM platform to connect to ASCOM devices as Cameras to image capture
• Wavelet decomposing - softening/sharpening/contrasting
• Wavelet denoising - soft/hard thresholding
• Wavelet denoising - Wiener, MMWF and MMWF* filtering
• Wiener deconvolution - gauss PSF and custom PSF
• White/Color Balance based on background, selection or stars B-V (after platesolving)

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