Make-A-Character 2: Animatable 3D Character Generation From a Single Image

• URL: http://arxiv.org/abs/2501.07870v2
• Date: Wed, 15 Jan 2025 02:23:10 GMT
• Title: Make-A-Character 2: Animatable 3D Character Generation From a Single Image
• Authors: Lin Liu, Yutong Wang, Jiahao Chen, Jianfang Li, Tangli Xue, Longlong Li, Jianqiang Ren, Liefeng Bo,
• Abstract summary: Make-A-Character 2 is an advanced system for generating high-quality 3D characters from single portrait photographs.<n>The entire image-to-3D-character generation process takes less than 2 minutes.<n>These technologies have been integrated into our conversational AI avatar products.
• Score: 27.270195676966637
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This report introduces Make-A-Character 2, an advanced system for generating high-quality 3D characters from single portrait photographs, ideal for game development and digital human applications. Make-A-Character 2 builds upon its predecessor by incorporating several significant improvements for image-based head generation. We utilize the IC-Light method to correct non-ideal illumination in input photos and apply neural network-based color correction to harmonize skin tones between the photos and game engine renders. We also employ the Hierarchical Representation Network to capture high-frequency facial structures and conduct adaptive skeleton calibration for accurate and expressive facial animations. The entire image-to-3D-character generation process takes less than 2 minutes. Furthermore, we leverage transformer architecture to generate co-speech facial and gesture actions, enabling real-time conversation with the generated character. These technologies have been integrated into our conversational AI avatar products.

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