While the 3D format is technically distinct from “glasses-free” or “anaglyph” systems, Coraline’s version relies on digital projection and polarized lenses, offering a seamless experience akin to modern 3D films. Note that this is not a true 3D conversion but a re-rendering of the original footage to add depth cues. A Blu-ray ISO is a disk image file that replicates an unaltered Blu-ray DVD in a digital format. It preserves the full 1080p resolution, audio tracks, and extras (e.g., commentary, behind-the-scenes features) found on a physical disc. For Coraline , the ISO would mirror the 2012 3D Blu-ray release, which adds a dimension to the stop-motion artistry.