What is the process called where the brain 'sees' a completed form from incomplete lines or shapes?

Answer

Completion

Completion, often related to Gestalt principles, is the unconscious inference where the brain imposes a simpler, whole figure onto disjointed or incomplete visual elements to create a more coherent scene.

What is the process called where the brain 'sees' a completed form from incomplete lines or shapes?
causevisionopticsillusionperception