Recent advances in full-head reconstruction have been obtained by optimizing a neural field through differentiable surface or volume rendering to represent a single scene. While these techniques achieve an unprecedented accuracy, they take several minutes, or even hours, due to the expensive optimization process required. In this work, we introduce InstantAvatar, a method that recovers full-head avatars from few images (down to just one) in a few seconds on commodity hardware.
Antonio Canela, Pol Caselles, Ibrar Malik, Eduard Ramon (Crisalix Labs and Universitat Politècnica de Catalunya); Jaime García, Gil Triginer (Crisalix Labs); Jordi Sànchez-Riera, Francesc Moreno-Noguer (Institut de Robòtica i Informàtica Industrial, CSIC-UPC)
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A rare case of hidradenoma papilliferum was diagnosed in a 70-year-old male patient presenting with a subcutaneous nodule on his nasolabial fold. Excisional biopsy was performed with sufficient safety margins to prevent residual growth, followed by reconstruction planning guided by Crisalix 3D images technology.
Islam Kassem*, Yasser El Dawiak, Mai Badrah, Peter Hani (Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Alexandria University, Alexandria, Egypt. (Journal of Clinical and Medical Images, Case Reports - February 2024).
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유방 확대 수술에서 환자 만족도는 매우 중요합니다. 수술 결과에 있어 가장 중요한 결정 요인 중 하나는 보형물의 용적입니다. [...] 3차원(3D) 시뮬레이션의 등장으로, 이 기술은 수술 전 상담 세션에서 환자가 자신에게 적합한 보형물 크기를 선택할 수 있도록 돕는 도구로 점점 더 많이 활용되고 있습니다. 본 연구는 유방 확대 수술 환자의 수술 전 상담에서 3D 시뮬레이션이 임상 보조 도구로서 얼마나 유용한지를 조사하고자 하였습니다.
Rajat Gupta, Deepti Gupta (Indian Journal of Medical Sciences, 2023년 8월)
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This paper introduces SIRA, a method that reconstructs human head avatars from a single image with high-fidelity geometry and factorized lights and surface materials. Experiments show that SIRA obtains state-of-the-art results in 3D head reconstruction while at the same time, it successfully disentangles the global illumination, and the diffuse and specular albedos.
Pol Caselles, Eduard Ramon, Jaime Garcia, Xavier Giro-i-Nieto, Francesc Moreno Noguer, Gil Triginer (Winter Conference on Applications of Computer Vision, September 2022).
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The purpose of this study was to establish facial soft tissue norms for the Egyptian female population between the ages of 18 and 50, as well as Several age-related changes in facial measurements. Facial measurements were obtained by both direct (caliper-based) and indirect (3D Crisalix software) anthropometric analysis.
El Minawi, Hisham MD*; El Saloussy, Yasmeen MSc, MRCSEd†; Sabry, Mohamed MSc*; Wahdan, Wessam MD*; El Sharkawy, Omar MD*, Plastic and Reconstructive Surgery - Global Open. (PRS - May, 2022).
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An investigation of the advantages of 3D image simulation over traditional methods in the preoperative aesthetic evaluation and design of hyaluronic acid filler chin augmentation, doctor-patient communication, and injection assistance.
Pai Liu (Department of Plastic and Reconstructive Surgery, First Medical Center, PLA General Hospital, Beijing), Yan Han (Department of Plastic and Reconstructive Surgery, First Medical Center, PLA General Hospital, Beijing) (Chinese Journal of Aesthetic and Plastic Surgery, April 2021)
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Study about the feasibility and efficacy of immediate breast augmentation with autologous fat grafting after removal of polyacrylamide hydrogel(PAAG) and fibrotic capsule.
Gao Q, Zhai P, Qi J, Yang Z, Hu Y, Yuan X, Liu C, Qi Z. (Breast Care, Karger - February 2022).
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Research paper about how computer-based three-dimensional simulation technology can allow the physician to effectively communicate with the patient preoperatively regarding volume.
Dennis C. Hammond, M.D., Kuylhee Kim, M.D., Matthew H. Bageris, B.S., Arif Chaudhry, M.D. (PRS - January 2022).
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Introduction to H3D-Net, a hybrid scheme that combines the strengths of model-based and model-free representations by incorporating prior knowledge into neural implicit models for category-specific multi-view reconstruction. This approach is applied to the problem of few-shot full head reconstruction.
Eduard Ramon, Gil Triginer, Janna Escur, Albert Pumarola, Jaime Garcia, Xavier Giro-i-Nieto, Francesc Moreno-Noguer. (ICCV - 2021).
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