{"id":37411,"date":"2015-06-27T09:46:04","date_gmt":"2015-06-27T09:46:04","guid":{"rendered":"http:\/\/www.labri.fr\/perso\/barla\/blog\/?p=37411"},"modified":"2015-06-27T09:57:23","modified_gmt":"2015-06-27T09:57:23","slug":"mam-2015","status":"publish","type":"post","link":"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=37411","title":{"rendered":"MAM 2015"},"content":{"rendered":"<p id=\"top\" \/>\n<h3>Material Description Language (NVidia + former Mental Images)<\/h3>\n<p>Separate material definition from shader implementation.<br \/>\nLayering and operations on basic BRDF components (atoms).<br \/>\nPb 1: cannot design your own new BRDF atom easily<br \/>\nPb 2: not all layering\/modifications make sense physically<br \/>\nOnly surface &amp; volume spec, not curves (hair, fur, grass, etc).<br \/>\nFor ALTA: add a plugin to export a fit to MDL format ?<\/p>\n<h3>AxF format (XRite)<\/h3>\n<p>3 layers in a single format (lowest is binary data)<br \/>\nSpecial representation for metallic paint SV-BRDFs<br \/>\nSoftware: Digital Material Hub (not yet available?)<br \/>\nAlso compatible with NVidia Iray and Autodesk software<br \/>\nConsortium: contact (<a href=\"mailto:gmueller@xrite.com\">gmueller@xrite.com<\/a>) for ALTA ?<\/p>\n<h3>Predictive appearance challenges (TU Denmark)<\/h3>\n<p>Big project in Denmark: MADE (academics and industries)<br \/>\nIncludes predictive appearance of fabricated objects<br \/>\n3D printing: model their special anisotropy and translucency<br \/>\nMetal casting: roughness not well modelled by micro facet BRDFs<br \/>\nPraise for apriori statistics to reduce DoF in capture&#8230;<\/p>\n<h3>Issues in BRDF\/BTF measurements (V. Havran)<\/h3>\n<p>Math analysis of the impact of motor orientation error<br \/>\nPaper provides recommendations for gonioreflectometers<\/p>\n<h3>Diffraction and micro-facet interplay (H3)<\/h3>\n<p>Suggests that there&#8217;s a mix between microfacet and diffraction models<br \/>\nDiffraction would occur at the edges and corners of microfacets?<br \/>\nWouldn&#8217;t the mix depend on the scale of observation ?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Material Description Language (NVidia + former Mental Images) Separate material definition from shader implementation. Layering and operations on basic BRDF components (atoms). Pb 1: cannot design your own new BRDF atom easily Pb 2: not all layering\/modifications make sense physically Only surface &amp; volume spec, not curves (hair, fur, grass, etc). For ALTA: add a &#8230; <a title=\"MAM 2015\" class=\"read-more\" href=\"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=37411\" aria-label=\"Read more about MAM 2015\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"class_list":["post-37411","post","type-post","status-publish","format-standard","hentry","category-talks"],"_links":{"self":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=37411"}],"version-history":[{"count":3,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37411\/revisions"}],"predecessor-version":[{"id":37431,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37411\/revisions\/37431"}],"wp:attachment":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=37411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=37411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=37411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}