000029922 001__ 29922
000029922 005__ 20190617200116.0
000029922 037__ $$aCONF
000029922 245__ $$aIncluding of specular component in a BTDF or BRDF assessment based on digital imaging
000029922 269__ $$a2003
000029922 260__ $$c2003
000029922 336__ $$aConference Papers
000029922 500__ $$aposter
000029922 520__ $$aBi-directional Transmission (or Reflection) Distribution Functions, commonly named BTDFs (and BRDFs), are essential quantities to describe any complex fenestration system in details. They are defined as the ratio of the luminance diffused from a surface element in a given direction (after transmission or reflection), and the illuminance incident on the sample. However, these functions are capable of describing the regular (specular) as well as the diffuse components of emerging light, and their mutual knowledge is necessary to assess a glazing or shading system’s optical performances properly. Although the analytical expression of a BT(R)DF differs whether it is related to regular (specular) or diffuse light, a simultaneous assessment of the two components can be achieved under certain conditions, presented in this paper. They are thereafter analyzed for the particular data acquisition procedure developed for a novel type of bi-directional photogoniometer, based on digital imaging.
000029922 6531_ $$aBTDFs
000029922 6531_ $$aBRDFs
000029922 6531_ $$aluminance
000029922 6531_ $$ailluminance incident
000029922 700__ $$0241777$$g103938$$aAndersen, Marilyne
000029922 700__ $$aScartezzini, Jean-Louis$$g106368$$0240706
000029922 7112_ $$dOctober 8-9, 2003$$cEPFL, Lausanne$$aCISBAT 2003 - Innovation in building envelopes and environmental systems
000029922 8564_ $$uhttp://cisbat.epfl.ch/$$zURL
000029922 8564_ $$uhttps://infoscience.epfl.ch/record/29922/files/07_2003_CISBAT%20DiffSpecBTDF.png$$zn/a$$s222343$$yn/a
000029922 8564_ $$uhttps://infoscience.epfl.ch/record/29922/files/Including%20of%20Specular%20Component%20in%20a%20BTDF%20of%20BRDF%20Assessment.pdf$$zn/a$$s430177$$yn/a
000029922 909C0 $$xU12325$$0252313$$pLIPID
000029922 909C0 $$pLESO-PB$$xU10262$$0252072
000029922 909CO $$qGLOBAL_SET$$pconf$$pENAC$$ooai:infoscience.tind.io:29922
000029922 917Z8 $$x173008
000029922 917Z8 $$x106554
000029922 917Z8 $$x106554
000029922 917Z8 $$x106554
000029922 917Z8 $$x106554
000029922 917Z8 $$x106554
000029922 917Z8 $$x106554
000029922 937__ $$aLESO-PB-CONF-2003-008
000029922 970__ $$a15649/LESO-PB
000029922 973__ $$rNON-REVIEWED$$sPUBLISHED$$aEPFL
000029922 980__ $$aCONF
000029922 990__ $$zskipped date u'October'