000145707 001__ 145707 000145707 005__ 20241122130823.0 000145707 0247_ $$2doi$$a10.1145/3687767 000145707 0248_ $$2sideral$$a140661 000145707 037__ $$aART-2024-140661 000145707 041__ $$aeng 000145707 100__ $$aHa, Hyunho 000145707 245__ $$aPolarimetric BSSRDF Acquisition of Dynamic Faces 000145707 260__ $$c2024 000145707 5060_ $$aAccess copy available to the general public$$fUnrestricted 000145707 5203_ $$aAcquisition and modeling of polarized light reflection and scattering help reveal the shape, structure, and physical characteristics of an object, which is increasingly important in computer graphics. However, current polarimetric acquisition systems are limited to static and opaque objects. Human faces, on the other hand, present a particularly difficult challenge, given their complex structure and reflectance properties, the strong presence of spatially-varying subsurface scattering, and their dynamic nature. We present a new polarimetric acquisition method for dynamic human faces, which focuses on capturing spatially varying appearance and precise geometry, across a wide spectrum of skin tones and facial expressions. It includes both single and heterogeneous subsurface scattering, index of refraction, and specular roughness and intensity, among other parameters, while revealing biophysically-based components such as inner- and outer-layer hemoglobin, eumelanin and pheomelanin. Our method leverages such components' unique multispectral absorption profiles to quantify their concentrations, which in turn inform our model about the complex interactions occurring within the skin layers. To our knowledge, our work is the first to simultaneously acquire polarimetric and spectral reflectance information alongside biophysically-based skin parameters and geometry of dynamic human faces. Moreover, our polarimetric skin model integrates seamlessly into various rendering pipelines. 000145707 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-sa$$uhttp://creativecommons.org/licenses/by-nc-sa/3.0/es/ 000145707 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion 000145707 700__ $$aHwang, Inseung 000145707 700__ $$0(orcid)0000-0002-5323-3233$$aMonzon, Nestor$$uUniversidad de Zaragoza 000145707 700__ $$aCho, Jaemin 000145707 700__ $$aKim, Donggun 000145707 700__ $$aBaek, Seung-Hwan 000145707 700__ $$0(orcid)0000-0002-8160-7159$$aMuñoz, Adolfo$$uUniversidad de Zaragoza 000145707 700__ $$0(orcid)0000-0002-7503-7022$$aGutierrez, Diego$$uUniversidad de Zaragoza 000145707 700__ $$aKim, Min H. 000145707 7102_ $$15007$$2570$$aUniversidad de Zaragoza$$bDpto. Informát.Ingenie.Sistms.$$cÁrea Lenguajes y Sistemas Inf. 000145707 773__ $$g43, 6 (2024), 275 [11 pp.]$$pACM trans. graph.$$tACM TRANSACTIONS ON GRAPHICS$$x0730-0301 000145707 8564_ $$s650738$$uhttps://zaguan.unizar.es/record/145707/files/texto_completo.pdf$$yVersión publicada 000145707 8564_ $$s2627492$$uhttps://zaguan.unizar.es/record/145707/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada 000145707 909CO $$ooai:zaguan.unizar.es:145707$$particulos$$pdriver 000145707 951__ $$a2024-11-22-11:53:01 000145707 980__ $$aARTICLE