AnyHome: Open-Vocabulary Generation of Structured and Textured 3D Homes

Core Concepts

AnyHomeは、自由なテキスト入力から立体的で構造化された屋内シーンを生成する新しいフレームワークです。

Abstract

AnyHomeは、自然言語を使用して家のスケールの3D屋内シーンを生成するフレームワークである。 テキストから構造化されたシーンを生成する2段階のアプローチを採用しており、LLMによる規則とSDS損失の改良が組み合わさっている。 システムは、多様なオブジェクトをリアルに配置することができる。 AnyHomeは、階層的な構造化ジオメトリを備えており、ユーザーが編集や変更を容易に行うことができる。 Introduction: Homes are pivotal to our existence, influencing our well-being and behavior. AnyHome transforms text into detailed 3D indoor scenes. Previous Research: Existing methods struggle with robust 3D structures and object placements. AnyHome focuses on customizable indoor scenes. Data Extraction: Inspired by cognitive theories. Capable of interpreting various texts. Enhances visual realism with egocentric exploration.

Stats

Inspired by cognitive theories. Capable of interpreting various texts. Enhances visual realism with egocentric exploration.

Quotes

Key Insights Distilled From

AnyHome

by Rao Fu,Zehao... at arxiv.org 03-21-2024

https://arxiv.org/pdf/2312.06644.pdf

Deeper Inquiries

How does AnyHome address the limitations of existing methods in generating 3D scenes?

AnyHome addresses the limitations of existing methods in generating 3D scenes through several key innovations. Firstly, it leverages Large Language Models (LLMs) with designed templates to convert textual narratives into structured representations, ensuring consistent and realistic spatial layouts. This approach overcomes challenges faced by previous methods that struggled with creating robust 3D structures or resulted in rooms with open ends or repetitive layouts. Secondly, AnyHome employs a Score Distillation Sampling process to refine object placement, enhancing the system's robustness and versatility in creating sensible scenes. By integrating this refinement process with a differentiable renderer, AnyHome can optimize object positioning and surface adherence while addressing issues like penetration problems. Furthermore, AnyHome introduces an egocentric exploration approach for inpainting textures. This method encourages the model to detail the environment as "seen," resulting in lifelike textures that align well with the geometry from various viewpoints. This enhances visual realism and ensures coherence between texture and structure. Overall, by combining these approaches along with hierarchical structured geometry generation and text-controllability features, AnyHome offers a comprehensive solution that outperforms existing methods in both quantitative measures like layout quality and qualitative aspects such as scene diversity and realism.

How does the egocentric exploration approach impact enhancing visual realism in scene generation?

The egocentric exploration approach plays a crucial role in enhancing visual realism during scene generation within AnyHome. By following an egocentric trajectory generated automatically to explore each object within a room from multiple viewpoints, this method ensures that textures are painted onto surfaces consistently across different perspectives. This approach allows for detailed refinement of objects' placements based on how they would be perceived from specific viewing angles. It helps maintain coherence between textured surfaces and underlying geometries by considering depth-aware inpainting techniques aligned with user-provided textual descriptions. Additionally, by simulating first-person navigation within the generated scenes through an egocentric viewpoint during texture inpainting processes, AnyHome can create immersive environments that closely resemble real-world settings. The result is visually appealing scenes where textures seamlessly blend with geometric structures from various vantage points.

How can the concept of amodal spatial image hypothesis be applied in other areas beyond scene generation?

The concept of amodal spatial image hypothesis can have broader applications beyond scene generation across various domains: Robotics: In robotics research, understanding environments as amodal map-like structured representations could enhance robot navigation capabilities by providing more comprehensive spatial awareness. Augmented Reality: Implementing amodal spatial images could improve AR experiences by enabling more accurate overlaying of virtual elements onto physical spaces. Medical Imaging: Utilizing amodal representations could aid medical professionals in interpreting complex imaging data more effectively for diagnosis or treatment planning. Urban Planning: Applying amodal spatial images could assist urban planners in designing efficient city layouts or infrastructure projects based on detailed structural representations. Education: Incorporating amodal concepts into educational tools could enhance learning experiences by offering interactive simulations based on rich environmental models. By leveraging the principles of amodal spatial image hypothesis outside traditional scene generation contexts, diverse fields stand to benefit from enhanced spatial understanding leading to improved decision-making processes and innovative solutions tailored to specific needs or objectives