LookingGlass: Generative Anamorphoses via Laplacian Pyramid Warping

原始链接: https://studios.disneyresearch.com/2025/06/09/lookingglass-generative-anamorphoses-via-laplacian-pyramid-warping/

Anamorphosis images are distorted visuals that only reveal their true form when viewed from a specific angle or through a special device. While these illusions have a long history, they typically appear meaningless when viewed normally. This paper presents a novel approach using generative latent rectified flow models to create anamorphic images that maintain a discernible interpretation even when viewed directly. The key innovation is Laplacian Pyramid Warping, a frequency-aware image warping technique that ensures high-quality results. This research expands upon the concept of Visual Anagrams by applying it to latent space models and a broader range of spatial transformations. Ultimately, this method enables the generation of new and engaging perceptual illusions that are both anamorphic and visually coherent from multiple viewpoints.

This Hacker News thread discusses "LookingGlass," a Disney Research project on generative anamorphoses using Laplacian Pyramid Warping, linked to a YouTube video. Commenters find the project "neat" and connect it to similar optical illusions, like a puzzle by Stand-up Maths and Steve Mould. One user expresses a desire to own an oddly shaped lens or mirror. One commenter, "echelon," shares a negative experience meeting with Disney execs, specifically Steve May, who allegedly dismissed their GenAI startup's accomplishments in video diffusion. They describe Disney as the "Empire" and Pixar as the "Death Star" due to this experience. Other commenters respond with sympathy and speculation that May's behavior stemmed from insecurity or an inability to deliver similar results.
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原文

Anamorphosis refers to a category of images that are intentionally distorted, making them unrecognizable when viewed directly. Their true form only reveals itself when seen from a specific viewpoint, which can be through some catadioptric device like a mirror or a lens. While the construction of these mathematical devices can be traced back to as early as the 17th century, they are only interpretable when viewed from a specific vantage point and tend to lose meaning when seen normally. In this paper, we revisit these famous optical illusions with a generative twist. With the help of latent rectified flow models, we propose a method to create anamorphic images that still retain a valid interpretation when viewed directly. To this end, we introduce Laplacian Pyramid Warping, a frequency-aware image warping technique key to generating high-quality visuals. Our work extends Visual Anagrams to latent space models and to a wider range of spatial transforms, enabling the creation of novel generative perceptual illusions.

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