Image editing
A non-destructive editing workflow
Originals, editing instructions and exported files serve different purposes.
28 articles
Image editing
Correct specific image problems and prepare files for their intended use.
Image editing
Correcting white balance
A neutral reference helps, but the character of the light need not disappear.
Image editing
Recovering highlights
Darkening bright areas is different from recovering missing texture.
Image editing
Opening shadows
Reveal dark areas without removing their sense of depth.
Image editing
Black and white points
Black and white points establish rendering limits rather than dictating what a scene should contain.
Image editing
Using tone curves
Use a small number of curve points to adjust brightness and contrast deliberately.
Image editing
Cropping without losing the subject
A tighter crop can strengthen a picture while removing important relationships.
W.carter · CC BY-SA 4.0. Resized; thumbnails may be cropped.
Image editing
Straightening a horizon
Choose a horizontal reference without confusing perspective lines with the horizon.
Image editing
Correcting vertical perspective
Correct converging verticals while watching proportions and image boundaries.
Image editing
Noise reduction and detail
Reduce noise without turning hair, fabric and fine surfaces into smooth patches.
Stockywood · CC BY-SA 4.0. Resized; thumbnails may be cropped.
Image editing
Sharpening for output
Adapt final sharpening to image size, surface and viewing conditions.
Image editing
Local masks and transitions
A local correction becomes convincing when its transitions match the lighting.
Coyau · CC BY-SA 3.0. Resized; thumbnails may be cropped.
Image editing
Removing dust spots
Locate spots, assess their origin and inspect repairs for repeated patterns.
Image editing
Natural skin adjustments
Adjust skin colour and temporary distractions without rebuilding the person.
Image editing
Black and white conversion
Translate colours into distinct grey tones rather than simply removing saturation.
thegreen J Are you green? · CC BY-SA 3.0. Resized; thumbnails may be cropped.
Image editing
Saturation and vibrance
Saturation and vibrance affect colour differently, and both require visual checking.
Image editing
Color casts in shadows
Coloured shadows may come from surrounding light and need not be completely neutral.
Image editing
Matching a series of photos
A series should feel coherent without concealing differences in lighting.
Image editing
JPEG compression artifacts
Recognize blocking, colour fringes and lost texture as compression damage.
Image editing
PNG or JPEG export
Choose a format according to photographs, graphics and transparency.
Image editing
WebP and image delivery
Test WebP as a delivery format without replacing the original file.
Image editing
Resizing without stretching
Distinguish image size, canvas and cropping so shapes retain their proportions.
Image editing
Upscaling and its limits
More pixels can support a larger output, but do not prove that genuine detail has increased.
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Image editing
Screen color and brightness
Check display brightness, surrounding light and colour profile together.
Image editing
sRGB and wider color spaces
Colour spaces give numbers meaning; a wider gamut does not automatically improve a picture.
Image editing
Soft proofing for print
A print simulation helps only with the appropriate profile and a reliable display.
Image editing
Exporting photos for a website
A web export needs suitable pixel dimensions, controlled compression and a considered crop.
Image editing
Avoiding editing halos
Bright outlines can originate from sharpening, local contrast or inaccurate masks.