BEGIN:VCALENDAR VERSION:2.0 PRODID:Linklings LLC BEGIN:VTIMEZONE TZID:Asia/Tokyo X-LIC-LOCATION:Asia/Tokyo BEGIN:STANDARD TZOFFSETFROM:+0900 TZOFFSETTO:+0900 TZNAME:JST DTSTART:18871231T000000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20250110T023312Z LOCATION:Hall B5 (1)\, B Block\, Level 5 DTSTART;TZID=Asia/Tokyo:20241206T093400 DTEND;TZID=Asia/Tokyo:20241206T094600 UID:siggraphasia_SIGGRAPH Asia 2024_sess139_papers_393@linklings.com SUMMARY:Towards Unified 3D Hair Reconstruction from Single-View Portraits DESCRIPTION:Technical Papers\n\nYujian Zheng, Yuda Qiu, and Leyang Jin (Ch inese University of Hong Kong, Shenzhen); Chongyang Ma, Haibin Huang, Di Z hang, and Pengfei Wan (Kuaishou Technology); and Xiaoguang Han (Chinese Un iversity of Hong Kong, Shenzhen)\n\nSingle-view 3D hair reconstruction is challenging, due to the wide range of shape variations among diverse hairs tyles. Current state-of-the-art methods are specialized in recovering un-b raided 3D hairs and often take braided styles as their failure cases, beca use of the inherent difficulty to define priors for complex hairstyles, wh ether rule-based or data-based. We propose a novel strategy to enable sing le-view 3D reconstruction for a variety of hair types via a unified pipeli ne. To achieve this, we first collect a large-scale synthetic multi-view h air dataset SynMvHair with diverse 3D hair in both braided and un-braided styles, and learn two diffusion priors specialized on hair. Then we optimi ze 3D Gaussian-based hair from the priors with two specially designed modu les, i.e. view-wise and pixel-wise Gaussian refinement. Our experiments de monstrate that reconstructing braided and un-braided 3D hair from single-v iew images via a unified approach is possible and our method achieves the state-of-the-art performance in recovering complex hairstyles. It is worth to mention that our method shows good generalization ability to real imag es, although it learns hair priors from synthetic data. Code and data are available at https://unihair24.github.io\n\nRegistration Category: Full Ac cess, Full Access Supporter\n\nLanguage Format: English Language\n\nSessio n Chair: Kui Wu (LightSpeed Studios) URL:https://asia.siggraph.org/2024/program/?id=papers_393&sess=sess139 END:VEVENT END:VCALENDAR