Credits

Models

• FlashWorldimlixinyang/FlashWorld, rev 424db448
  Photo mode: one photo, screenshot or sentence becomes a whole world.
  Apache-2.0 (code); weights: see upstream
• Wan2.2-TI2V-5BWan-AI/Wan2.2-TI2V-5B-Diffusers
  The video model FlashWorld is built on (VAE, UMT5 text encoder, transformer config).
  Apache-2.0
• Qwen2.5-VL-3B-InstructQwen/Qwen2.5-VL-3B-Instruct
  FlashWorld’s captioner.
  See upstream
• AnySplatInternRobotics/AnySplat, rev 5f5e208a
  Many photos become a splat world in one pass.
  MIT (code); weights: see upstream
• VGGTfacebook/VGGT-1B
  AnySplat’s geometry backbone.
  See upstream
• Depth Anything V2Metric Indoor Small and Base, depth-anything
  Per-frame depth for Video mode, the depth term when rebuilding a place, and lifting generated fill into 3D.
  See upstream
• DeepLabV3torchvision, ResNet-50 and MobileNet
  Person masks, so people don’t get baked into the room.
  See upstream
• Big LaMaadvimman/lama, file from simple-lama-inpainting
  Inpainting the empty room behind people, and small fills.
  Apache-2.0
• Qwen-Image-Edit-2511Qwen/Qwen-Image-Edit-2511
  Paints what the photos never saw (the ceiling, tree tops, the sky) and the back of each 3D person.
  Apache-2.0
• Qwen2.5-VL-7BQwen-Image-Edit-2511’s text encoder
  Describes what belongs in each gap before it is painted.
  See upstream
• Multi-HMR 2NAVER, naver/multi-hmr2, commit f066532d
  Body pose and shape per frame for the 3D people.
  Non-commercial licence (code and checkpoint), plus BEDLAM and AnnyOne terms
• Anny body modelNAVER, anny 0.6.0
  The body the 3D people are built on.
  Apache-2.0 code, CC0 assets
• DINOv3 backbone codeFetched by torch.hub at run time
  Multi-HMR 2’s image backbone.
  DINOv3 License
• SAM 2.1facebook/sam2.1-hiera-large and -small
  Object masks.
  Apache-2.0
• Grounding DINOIDEA-Research/grounding-dino-tiny
  Text prompts to boxes for the object vocabulary.
  Apache-2.0
• TRELLISmicrosoft/TRELLIS-image-large
  Optional image-to-3D props.
  MIT

No SMPL-family file is installed or used. Model weights are never committed to the project; each one is downloaded at setup.

Libraries and tools

In the web page and viewer

• three.jsthree 0.186.1, with its GLTFLoader, meshopt decoder and RoomEnvironment add-ons
  3D rendering, and the headset on the landing page.
  MIT
• Spark@sparkjsdev/spark 2.3.1
  Gaussian splat rendering in the browser and the headset.
  MIT
• three-mesh-bvh0.9.15
  Fast collision and ray tests against the room.
  MIT
• WebXR, Web Audio, MediaRecorder
  Headset mode, spatial sound, recording.
  Web standards

Server

• Bun and TypeScript
  Runtime, server, bundler and tests.
  See upstream
• @gradio/client2.7.1
  Fallback to the public FlashWorld Hugging Face Space.
  ISC
• @google/genai
  The Gemini guide service.
  See upstream

Pipeline

• gsplatnerfstudio-project/gsplat
  Splat training, rendering and gap finding.
  Apache-2.0
• spznianticlabs/spz
  The compressed splat file format.
  MIT
• COLMAP3.11
  Camera poses for photos and clips.
  See upstream
• PyTorch
  Runs every model above.
  BSD-3-Clause
• OpenCV
  Image and video processing.
  Apache-2.0
• Open3D and pygltflib
  Geometry, texture baking and glTF export for the 3D people.
  MIT
• torchvision; Hugging Face transformers, diffusers, accelerate, hub and safetensors
  Model loading and inference.
  See upstream
• NumPy, SciPy, Pillow, pillow-heif, plyfile, trimesh, warp-lang, einops
  Arrays, solvers, images (including HEIC), PLY files and meshes.
  See upstream
• ffmpeg and uv
  Video decode and encode; Python environments.
  See upstream

Roblox

• Roblox Studio and Luau
  The Roblox experience.
  Roblox terms
• rojorojo-rbx/rojo
  Roblox build.
  MPL-2.0
• lunelune-org/lune
  Luau test runtime.
  MPL-2.0
• selene
  Luau lint.
  See upstream

Testing

• iwer2.5.0, Meta’s WebXR emulator
  Headset tests without a headset.
  MIT
• playwright-core1.63.0
  Headless browser checks.
  Apache-2.0
• pytest and bun test
  Test runners.
  See upstream

Services and hardware

• UF HiPerGator
  Runs the models (Slurm, RTX PRO 6000 Blackwell GPUs).
• Hugging Face
  Hosts the model weights and the public FlashWorld Space we fall back to.
• Google Gemini APIgemini-3.5-flash-lite, gemini-3.8-flash, gemini-3.8-flash-lite-tts
  The caption a Photo world is imagined from, the floating labels, spoken answers, narration and clip notes.
• Cloudflare Tunnel
  The public link.
• DeepSpace
  The memory board, live map and notes.
• Roblox
  The multiplayer places.
• Auth0
  Sign-in in front of the routes that add, delete or drive things.
• Solana, Capital One Nessie, Tiger Data
  Sponsor pieces, off unless configured: a devnet scoreboard, a sandbox tab and recorded replays.
• Meta Quest 3S
  The headset we built for.

Media

• “Quest 3S with controllers”3D model by OG_MATTER
  The headset on the landing page. We kept only the headset and gave it new materials to match photos of the real one.
  CC BY 4.0
• “Tilted Towers Tour | Fortnite OG S2”Free-camera footage by woodinjake
  The Tilted Towers world and the Brick House apartment world (71 frames).
  See upstream
• Greyscale roomPublic demo splat from storage.googleapis.com/forge-dev-public
  The sample world in the gallery.
  See upstream

The Infinity Hall Game Lawn, the giant chess board and the kitchen are our own photos and clips.

Trademarks

Meta Quest, Roblox and Fortnite are trademarks of their owners; Déjà View is not affiliated with or endorsed by them.

AI tools used

• Google Gemini
  Inside the product, as listed under Services and hardware.
• The generative models above
  Make up the parts of each world the camera never saw. The Reality check toggle tints everything they imagined.

Looked at, not used

• SuGaRAnttwo/SuGaR
  No clear licence; 3DGS lineage is non-commercial.
• 2D Gaussian Splattinghbb1/2d-gaussian-splatting
  No clear licence; 3DGS lineage is non-commercial.
• Gaussian Opacity Fieldsautonomousvision/gaussian-opacity-fields
  No clear licence; 3DGS lineage is non-commercial.
• Gaussian Groupinglkeab/gaussian-grouping
  Apache code, but the 3DGS dependency is non-commercial and the build is heavy.
• SegAnyGAussiansJumpat/SegAnyGAussians
  Apache code, same 3DGS dependency and CUDA build.
• FlashSplatflorinshen/FlashSplat
  No clear licence.
• HUGSapple-aiml-research/ml-hugs
  No clear licence; research use only.
• Gaussian splatting Blender add-onReshotAI/gaussian-splatting-blender-addon
  No licence file.