Make-it-Real: Unleashing Large Multimodal Model for Painting 3D Objects with Realistic Materials
This addresses the tedious manual material assignment for 3D asset developers, offering a streamlined tool, though it is incremental as it builds on existing MLLM capabilities.
The paper tackles the problem of 3D assets lacking realistic material properties by using GPT-4V to recognize, describe, and align materials with 3D objects, then generating SVBRDF materials to enhance visual authenticity, integrating into 3D content creation workflows.
Physically realistic materials are pivotal in augmenting the realism of 3D assets across various applications and lighting conditions. However, existing 3D assets and generative models often lack authentic material properties. Manual assignment of materials using graphic software is a tedious and time-consuming task. In this paper, we exploit advancements in Multimodal Large Language Models (MLLMs), particularly GPT-4V, to present a novel approach, Make-it-Real: 1) We demonstrate that GPT-4V can effectively recognize and describe materials, allowing the construction of a detailed material library. 2) Utilizing a combination of visual cues and hierarchical text prompts, GPT-4V precisely identifies and aligns materials with the corresponding components of 3D objects. 3) The correctly matched materials are then meticulously applied as reference for the new SVBRDF material generation according to the original albedo map, significantly enhancing their visual authenticity. Make-it-Real offers a streamlined integration into the 3D content creation workflow, showcasing its utility as an essential tool for developers of 3D assets.