血管重建

1、Thispaperpresentsa3Dcomputervisionmethodthatassiststhetediousprocedureofmanuallyreconstructingceramicvesselsfromfragmentsunearthedinanarchaeologicalexcavation.“本文提出了一種三維計(jì)算機(jī)視覺(jué)的方法，協(xié)助把考古挖掘中的碎片恢復(fù)為陶器“Thiscomputationalmethodre

2、liesonvesselsurfacemarkingscombinedwithexpertfeedback(viathearchaeologist)tofmagenericmodelofavesselthattheexcavatedfragmentsmighthaveiginatedfrom“這種計(jì)算方法依賴容器表面的痕跡和專家的反饋信息形成一種碎片起源的容器一般模型“.Priexpertinfmation(i.e.thegeneric

3、vesselmodel)isusuallybasedonahostoffactsrangingfromhisticalknowledgefromtheperiodinquestiontotheprovenienceoftheexcavationetc.Thegenericmodelneednotbeexactlyidenticaltotheexcavatedvesselbutratherwithintheallowableclass(i

4、.e.withinageometrictransfmationofitinmostofitsparts)“起初的專家信息（即通用的容器模型）通常是基于多項(xiàng)因素包括從該期間的歷史知識(shí)到挖掘起源等。通用模型不必完全與挖掘容器相同，而是在允許的范圍內(nèi)（在它的幾何變換，即在其組成部分的大多數(shù)）“.Theceramicvesselswedealwithherehavesurfacemarkings“我們?cè)谶@里處理的陶瓷表面有斑紋?！?Weexpl

5、oitthe3Dconvexhullassociatedwiththesurfacemarkingsastheyarepreservedundertheallowablesetoftransfmation(betweenthegenericexpertmodeltheexcavatedvessel)“我們利用三維凸包結(jié)合表面斑紋，這些都在估計(jì)允許的范圍內(nèi)（通用模型和挖掘陶瓷之間）“.Wealigntheseusinganovelseto

6、fdiscretecrossweightedmoments“我們贊同這些新穎的“離散交叉加權(quán)矩“）“.Themphingtransfmation(affinehigherdermphingfunction)iscomputedfromthesecrespondingconvexhullstheircrespondingverticesdistanceerrmetricsareintroducedtoaccessthefitnessoft

7、healignmentofafragmenttoagivenvessel“該形狀轉(zhuǎn)換（高階仿射變形或功能）是從這些相應(yīng)的凸殼及其相應(yīng)的頂點(diǎn)估算的，距離誤差度量計(jì)算被引進(jìn)，介紹了片段對(duì)齊到指定的船只健身“.ThemethodsaretestedonasubsetofceramicsexcavatedfromIndependenceNationalHisticalPark(INHP)createdthrough3Dscanningofpro