Chapter14Recognition14.1Objectdetection.................................57814.1.1Facedetection.............................57814.1.2Pedestriandetection..........................58514.2Facerecognition.................................58814.2.1Eigenfaces...............................58914.2.2Activeappearanceand3Dshapemodels................59614.2.3Application:Personalphotocollections................60114.3Instancerecognition...............................60214.3.1Geometricalignment..........................60314.3.2Largedatabases.............................60414.3.3Application:Locationrecognition...................60914.4Categoryrecognition..............................61114.4.1Bagofwords..............................61214.4.2Part-basedmodels...........................61514.4.3Recognitionwithsegmentation.....................62014.4.4Application:Intelligentphotoediting.................62114.5Contextandsceneunderstanding........................62514.5.1Learningandlargeimagecollections.................62714.5.2Application:Imagesearch.......................63014.6Recognitiondatabasesandtestsets.......................63114.7Additionalreading...............................63114.8Exercises....................................637R.Szeliski,ComputerVision:AlgorithmsandApplications,TextsinComputerScience,575DOI10.1007/978-1-84882-935-0_14,©Springer-VerlagLondonLimited201157614Recognition(a)(b)(c)(d)(e)(f)(g)(h)(i)Figure14.1Recognition:facerecognitionwith(a)pictorialstructures(FischlerandElschlager1973)c1973IEEEand(b)eigenfaces(TurkandPentland1991b);(c)real-timefacedetection(ViolaandJones2004)c2004Springer;(d)instance(knownobject)recognition(Lowe1999)c1999IEEE;(e)feature-basedrecognition(Fergus,Perona,andZisserman2007);(f)region-basedrecognition(Mori,Ren,Efrosetal.2004)c2004IEEE;(g)simultaneousrecognitionandsegmentation(Shotton,Winn,Rotheretal.2009)c2009Springer;(h)locationrecognition(Philbin,Chum,Isardetal.2007)c2007IEEE;(i)