Video explanation
A poster separates into six transparent panes, then demonstrates parallax, subject replacement, recoloring and title movement. The optical bench illustrates editing operations rather than measuring a model’s internals.
Transparency and occlusion
Each layer carries separate elements and transparent areas. Compositing order determines which elements occlude others.
Parallax creates depth
Foreground layers move more than background layers as the viewpoint shifts, producing depth without recovering true 3D geometry.
Editing one element
Separating text, subject and background supports isolated edits. AI layer extraction may invent hidden background, so it is not a complete recovery of original pixels.