Key Features

Generates explorable 3D worlds conditioned on top-view semantic segment maps.
Combines user-defined map layouts with text prompts for controllable world creation.
Supports arbitrary shapes and scales instead of fixed grid-only layouts.
Improves global-scale consistency across expansive generated environments.
Uses a training-free expansion strategy around text-to-3D generation.
Includes a detail enhancer network for finer local world details.
Targets immersive content, simulation, robotics, and autonomous-driving environments.
Provides video demos of segment-conditioned 3D world generation results.

The framework expands text-to-3D generation in a training-free approach while adding components that improve global consistency and local detail. A segment map provides high-level spatial control over categories and region layout, while text prompts provide semantic appearance and scene style. The method also includes a detail enhancer network to enrich generated worlds with finer visual and geometric detail after the broader map-conditioned structure is established.


Map2World is useful for immersive content creation, autonomous-driving simulation, robotics environments, game prototyping, and synthetic world datasets. Its key product value is controllability: instead of asking a model for an unconstrained scene, a user can define the top-down map and let the system generate a coherent 3D world around it. This makes it a research tool for scalable world generation where layout precision matters as much as visual quality.

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