Isolating specific areas of an image for selective effects or corrections.
Definition
Masking refers to the creation of selections or masks to limit effects and corrections to specific image areas. A fundamental technique in compositing and color grading.
Practical Application
Power Windows for selective color correction. Rotoscoping for precise object isolation. Luminance masks for highlight/shadow-specific corrections. Alpha channels for compositing.
Technical Details
Mask types: Shape-based (Bezier, Ellipse), Keying (Color, Luminance), Roto (hand-drawn). Feathering for soft edges. Tracking for moving masks. Additive/Subtractive for complex selections.
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