Mutimedia Iomatio etieva Lectue Lectue: Theo eve La: MMIS Emai: geve@ciece.uva. htt: www.ciece.uva./~geve htt: www.ciece.uva./~geve/mate00 Mutimedia iomatio Image dataae yt Quey image eview matchig Digita image dataae otetaed image etieva: quey y exame quey i atua omat uimited eetoie Quetio comute viio i had? how to hade i a dataae? Featue oe miio view eview So may image o oe oject due to mio dieece i: camea ocatio otatio cae ight ouce iumiatio ight iteactio uace cove acgoud cutte occuio camea tye viewoit eview Featue F to ecogize a oject Oe o two detai may e eough to ecogie a oject A miio dieet data aay to oe oject?! i ad oy i ecogitio i ivaiat coou chage hae chage oou The ciece o coou Secta owe ditiutio Hue: domiat waveegth o the SPD: EH Satuatio: uity o the coou: EHEW Iteity: ighte o the coou: EW The ciece o coou What mae a image? Light ouce e Oject EH EW Seo e White ight ee ight e d e d e d 1
Thi mae the image A coo imagigyt otai N meauet at each ocatio give y : q e d whee e i the iumiatio ectum i the uace eectace uace aedo at the oit 1 N ae the ecta eoe ad the camea outut eectivey. Fo the eae o iutatio we coide 1 coeodig to. ooimety ad ad q o The ciece o coou What mae a image? Oeve: tichomacy YougHhotz aoach Titimuu vaue ad Wight 7 uid 10 Stie ad uch 50 Thi mae the image ooimety oou camea: The coou ace e d e d e d X e x d Y e y d Z e z d Thi mae the image X x X Y Z Y y X Y Z Z z X Y Z ooimety ooimety: Iumiat i the xyae Thi mae the image ooimety ooimety: HSI i the xyae Thi mae the image ooimety ooimety: coou gamut i the xyae
ooimety ooimety Thi mae the image oou camea: The gcoou ace Thi mae the image oou camea: HSI deiitio g Iteity: I Satuatio: mi S 1 Hue: H acta H S ooimety ooimety 1. The meauet o coou Ooet coo 1. The meauet o coou oou ata: Mue ad L*a** Huma ecetio comie eoe o eye ito ooet coo: Iteity: Yeow ue: / ed ee: / Lumiace ueyeow Pueee Ditace etwee two coo i L*a** coou ace i equivaet to the viua diticte etwee the coo. aiatio eeded. ooimety 1. The meauet o coou L*a** coou ace ooimety 1. The meauet o coou oou cice: wam ad coo coou oo coou Äc 1 c L1 L a1 a 1 Wam coou
ooimety 1. The meauet o coou oou hamoy y Koayahi/Sawahata ooimety 1. The meauet o coou oou hamoy cod iie excitig taqui wam youg Text coou hae ad textue Shae aow veu oad veu diect 1.1 Fudameta o coou ciece 1. Meauet o coou 1. omutatioa coou cotacy 1. oou viio ad coou cotacy oou eectace geea mode eectace mode [Shae] ody m oou Ivaiace e c d uace m v e c d o { givig a eo eoe oou eectace detaied mode m e c d m v e c d c e oou Ivaiace uace aedo iumiatio oject uace oma iumiatio diectio viewe diectio eo eitivity cee & viewoit ivaiat cee deedet oject hae vaiat cee deedet viewoit vaiat cee deedet v
oou Ivaiace oou eectace ody eectace i ace oou Ivaiace 1. omutatioa coou cotacy ody eectace i ace: matte uace oide the ody eectio t : m e c d o exame the geometic t i Lametia i.e. m co A oject with it eeetatio i coou ace. oou Ivaiace 1. omutatioa coou cotacy ody eectace i ace oou Ivaiace oou eectace uace eectace i ace oide the uace eectio t : m v e c d whee the geometic t io exame the hog mode co a whee a oy deed o ad v. oou Ivaiace oou Ivaiace oou eectace eectace ude white ight oou eectace eectace ude white ight ecoideed S Dichomatic eectio: m d e c d m v e c oideig dichomatic eectace ad white iumiatio the e e ad c c. The o W { givig the ed gee ad ue eo eoe ude white ight. Thi give: W c v c with c d Dichomatic eectio ude white ight v c W c 5
6 oou ace ace ace oou Ivaiace Deedet o: viewoit oject geomety iumiatio diectio iumiatio iteity iumiatio coou g Nomaized coou: oou ace g ace g ace oou Ivaiace Fo givig the ed gee ad ue eo eoe ude white ight. Futhe with { d c oide the ody eectio t: g oou ivaiace g : hotometic ivaiace oo g : hotometic ivaiace oo oou Ivaiace. whee The etc... e.g. {... e.g. { u t q u t q   oou ivaiace matte oject matte oject oou Ivaiace... { Fit ode coo ivaiat :... { Secod ode coo ivaiat : etc...etc etc... { Thid ode coo ivaiat : oou ivaiace matte oject matte oject oou Ivaiace acta 1 c acta c acta c acta acta 1 c oou Ivaiace oou ivaiace c1 c c ace c1 c c ace
7 Oigia image D ot o c1cc image c1cc image D ot o image oou ivaiace c1 c c ace c1 c c ace oou Ivaiace oou eectace eectace ude white ight ecoideed eectace ude white ight ecoideed S oou Ivaiace Hue: oou ace Hue i viewoit ivaiat Hue i viewoit ivaiat oou Ivaiace H S acta H oou ace Hue i viewoit ivaiat: Hue i viewoit ivaiat: exame exame oou Ivaiace. whee The etc... e.g. {... e.g. { u t q u t q   oou Ivaiace oou ivaiace hiy oject hiy oject oou ivaiace 1 ace 1 ace oou Ivaiace 1
oou ivaiace: oou Ivaiace 1ace oou Ivaiace 1. omutatioa coou cotacy oou cotacy L1 taomatio Oigia coou image L1 image D ot o coou image D ot o 1 image 8