用分层场景模式生成更密集真实的室内布局
HSM: Hierarchical Scene Motifs for Multi-Scale Indoor Scene Generation
- 构建分层场景模式，统筹大件与小件物品布局
- 在多种房间类型中生成更符合描述的场景
- 适合需要精细物体排布的3D场景生成任务
尽管室内3D场景布局生成已有进展，但密集物体排列的合成仍具挑战。现有方法多关注大型家具而忽略小型物品，导致场景空旷不真实；而处理小物件的方法通常不遵守布局规范，造成放置随机、不符文本描述。我们提出分层场景模式（HSM）：一种支持跨尺度密集物体排列的分层框架。室内场景天然具有层次结构，从地面支撑大件家具，到桌面和货架支撑小件物品。HSM利用这种层次性及跨尺度的重复空间模式，在统一框架下生成复杂且逼真的场景。实验表明，HSM在多种房间类型和空间配置下均优于现有方法，生成结果更符合用户输入。项目主页见 https://3dlg-hcvc.github.io/hsm。
原文摘要 · Abstract (English)
Despite advances in indoor 3D scene layout generation, synthesizing scenes with dense object arrangements remains challenging. Existing methods focus on large furniture while neglecting smaller objects, resulting in unrealistically empty scenes. Those that place small objects typically do not honor arrangement specifications, resulting in largely random placement not following the text description. We present Hierarchical Scene Motifs (HSM): a hierarchical framework for indoor scene generation with dense object arrangements across spatial scales. Indoor scenes are inherently hierarchical, with surfaces supporting objects at different scales, from large furniture on floors to smaller objects on tables and shelves. HSM embraces this hierarchy and exploits recurring cross-scale spatial patterns to generate complex and realistic scenes in a unified manner. Our experiments show that HSM outperforms existing methods by generating scenes that better conform to user input across room types and spatial configurations. Project website is available at https://3dlg-hcvc.github.io/hsm .
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