id sid tid token lemma pos b2773t9676q 1 1 the the DET b2773t9676q 1 2 growing grow VERB b2773t9676q 1 3 need need NOUN b2773t9676q 1 4 for for ADP b2773t9676q 1 5 effective effective ADJ b2773t9676q 1 6 biometric biometric ADJ b2773t9676q 1 7 identification identification NOUN b2773t9676q 1 8 is be AUX b2773t9676q 1 9 widely widely ADV b2773t9676q 1 10 acknowledged acknowledge VERB b2773t9676q 1 11 . . PUNCT b2773t9676q 2 1 identifying identify VERB b2773t9676q 2 2 an an DET b2773t9676q 2 3 individual individual NOUN b2773t9676q 2 4 from from ADP b2773t9676q 2 5 his his PRON b2773t9676q 2 6 or or CCONJ b2773t9676q 2 7 her her PRON b2773t9676q 2 8 face face NOUN b2773t9676q 2 9 is be AUX b2773t9676q 2 10 one one NUM b2773t9676q 2 11 of of ADP b2773t9676q 2 12 the the DET b2773t9676q 2 13 most most ADV b2773t9676q 2 14 non non ADJ b2773t9676q 2 15 - - ADJ b2773t9676q 2 16 intrusive intrusive ADJ b2773t9676q 2 17 modalities modality NOUN b2773t9676q 2 18 in in ADP b2773t9676q 2 19 biometrics biometric NOUN b2773t9676q 2 20 . . PUNCT b2773t9676q 3 1 major major ADJ b2773t9676q 3 2 challenges challenge NOUN b2773t9676q 3 3 to to PART b2773t9676q 3 4 face face VERB b2773t9676q 3 5 recognition recognition NOUN b2773t9676q 3 6 system system NOUN b2773t9676q 3 7 robustness robustness NOUN b2773t9676q 3 8 include include VERB b2773t9676q 3 9 illumination illumination NOUN b2773t9676q 3 10 and and CCONJ b2773t9676q 3 11 pose pose VERB b2773t9676q 3 12 variations variation NOUN b2773t9676q 3 13 . . PUNCT b2773t9676q 4 1 this this DET b2773t9676q 4 2 work work NOUN b2773t9676q 4 3 introduces introduce VERB b2773t9676q 4 4 foundational foundational ADJ b2773t9676q 4 5 research research NOUN b2773t9676q 4 6 addressing address VERB b2773t9676q 4 7 two two NUM b2773t9676q 4 8 - - PUNCT b2773t9676q 4 9 dimensional dimensional ADJ b2773t9676q 4 10 intensity intensity NOUN b2773t9676q 4 11 , , PUNCT b2773t9676q 4 12 infrared infrared ADJ b2773t9676q 4 13 , , PUNCT b2773t9676q 4 14 three three NUM b2773t9676q 4 15 - - PUNCT b2773t9676q 4 16 dimensional dimensional ADJ b2773t9676q 4 17 , , PUNCT b2773t9676q 4 18 and and CCONJ b2773t9676q 4 19 multi multi NOUN b2773t9676q 4 20 - - NOUN b2773t9676q 4 21 modal modal ADJ b2773t9676q 4 22 face face NOUN b2773t9676q 4 23 recognition recognition NOUN b2773t9676q 4 24 . . PUNCT b2773t9676q 5 1 i i PRON b2773t9676q 5 2 contribute contribute VERB b2773t9676q 5 3 to to ADP b2773t9676q 5 4 the the DET b2773t9676q 5 5 growing grow VERB b2773t9676q 5 6 body body NOUN b2773t9676q 5 7 of of ADP b2773t9676q 5 8 work work NOUN b2773t9676q 5 9 surrounding surround VERB b2773t9676q 5 10 face face NOUN b2773t9676q 5 11 recognition recognition NOUN b2773t9676q 5 12 by by ADP b2773t9676q 5 13 examining examine VERB b2773t9676q 5 14 novel novel ADJ b2773t9676q 5 15 approaches approach NOUN b2773t9676q 5 16 to to PART b2773t9676q 5 17 face face VERB b2773t9676q 5 18 recognition recognition NOUN b2773t9676q 5 19 beyond beyond ADP b2773t9676q 5 20 the the DET b2773t9676q 5 21 traditional traditional ADJ b2773t9676q 5 22 , , PUNCT b2773t9676q 5 23 two two NUM b2773t9676q 5 24 - - PUNCT b2773t9676q 5 25 dimensional dimensional ADJ b2773t9676q 5 26 intensity intensity NOUN b2773t9676q 5 27 modality modality NOUN b2773t9676q 5 28 . . PUNCT b2773t9676q 6 1 my my PRON b2773t9676q 6 2 infrared infrared ADJ b2773t9676q 6 3 research research NOUN b2773t9676q 6 4 made make VERB b2773t9676q 6 5 strides stride NOUN b2773t9676q 6 6 in in ADP b2773t9676q 6 7 overcoming overcome VERB b2773t9676q 6 8 the the DET b2773t9676q 6 9 illumination illumination NOUN b2773t9676q 6 10 challenge challenge NOUN b2773t9676q 6 11 because because SCONJ b2773t9676q 6 12 this this DET b2773t9676q 6 13 modality modality NOUN b2773t9676q 6 14 proved prove VERB b2773t9676q 6 15 robust robust ADJ b2773t9676q 6 16 in in ADP b2773t9676q 6 17 the the DET b2773t9676q 6 18 face face NOUN b2773t9676q 6 19 of of ADP b2773t9676q 6 20 varied varied ADJ b2773t9676q 6 21 lighting lighting NOUN b2773t9676q 6 22 conditions condition NOUN b2773t9676q 6 23 . . PUNCT b2773t9676q 7 1 although although SCONJ b2773t9676q 7 2 infrared infrared PROPN b2773t9676q 7 3 is be AUX b2773t9676q 7 4 invariant invariant ADJ b2773t9676q 7 5 to to ADP b2773t9676q 7 6 changing change VERB b2773t9676q 7 7 lighting lighting NOUN b2773t9676q 7 8 , , PUNCT b2773t9676q 7 9 infrared infrared ADJ b2773t9676q 7 10 is be AUX b2773t9676q 7 11 not not PART b2773t9676q 7 12 robust robust ADJ b2773t9676q 7 13 in in ADP b2773t9676q 7 14 the the DET b2773t9676q 7 15 face face NOUN b2773t9676q 7 16 of of ADP b2773t9676q 7 17 varying vary VERB b2773t9676q 7 18 pose pose VERB b2773t9676q 7 19 , , PUNCT b2773t9676q 7 20 it it PRON b2773t9676q 7 21 produced produce VERB b2773t9676q 7 22 very very ADV b2773t9676q 7 23 low low ADJ b2773t9676q 7 24 - - PUNCT b2773t9676q 7 25 resolution resolution NOUN b2773t9676q 7 26 images image NOUN b2773t9676q 7 27 with with ADP b2773t9676q 7 28 unreliable unreliable ADJ b2773t9676q 7 29 face face NOUN b2773t9676q 7 30 registration registration NOUN b2773t9676q 7 31 when when SCONJ b2773t9676q 7 32 compared compare VERB b2773t9676q 7 33 to to ADP b2773t9676q 7 34 their their PRON b2773t9676q 7 35 2d 2d NOUN b2773t9676q 7 36 intensity intensity NOUN b2773t9676q 7 37 counterparts counterpart NOUN b2773t9676q 7 38 , , PUNCT b2773t9676q 7 39 and and CCONJ b2773t9676q 7 40 , , PUNCT b2773t9676q 7 41 in in ADP b2773t9676q 7 42 many many ADJ b2773t9676q 7 43 cases case NOUN b2773t9676q 7 44 , , PUNCT b2773t9676q 7 45 it it PRON b2773t9676q 7 46 would would AUX b2773t9676q 7 47 be be AUX b2773t9676q 7 48 cost cost NOUN b2773t9676q 7 49 - - PUNCT b2773t9676q 7 50 prohibitive prohibitive ADJ b2773t9676q 7 51 . . PUNCT b2773t9676q 8 1 in in ADP b2773t9676q 8 2 looking look VERB b2773t9676q 8 3 to to PART b2773t9676q 8 4 overcome overcome VERB b2773t9676q 8 5 these these DET b2773t9676q 8 6 bottlenecks bottleneck NOUN b2773t9676q 8 7 , , PUNCT b2773t9676q 8 8 3d 3d DET b2773t9676q 8 9 recognition recognition NOUN b2773t9676q 8 10 was be AUX b2773t9676q 8 11 the the DET b2773t9676q 8 12 next next ADJ b2773t9676q 8 13 , , PUNCT b2773t9676q 8 14 logical logical ADJ b2773t9676q 8 15 step step NOUN b2773t9676q 8 16 given give VERB b2773t9676q 8 17 that that SCONJ b2773t9676q 8 18 previous previous ADJ b2773t9676q 8 19 trials trial NOUN b2773t9676q 8 20 with with ADP b2773t9676q 8 21 the the DET b2773t9676q 8 22 three three NUM b2773t9676q 8 23 - - PUNCT b2773t9676q 8 24 dimensional dimensional ADJ b2773t9676q 8 25 modality modality NOUN b2773t9676q 8 26 demonstrated demonstrate VERB b2773t9676q 8 27 that that SCONJ b2773t9676q 8 28 it it PRON b2773t9676q 8 29 provides provide VERB b2773t9676q 8 30 greater great ADJ b2773t9676q 8 31 accuracy accuracy NOUN b2773t9676q 8 32 than than ADP b2773t9676q 8 33 any any PRON b2773t9676q 8 34 of of ADP b2773t9676q 8 35 the the DET b2773t9676q 8 36 two two NUM b2773t9676q 8 37 - - PUNCT b2773t9676q 8 38 dimensional dimensional ADJ b2773t9676q 8 39 modalities modality NOUN b2773t9676q 8 40 . . PUNCT b2773t9676q 9 1 however however ADV b2773t9676q 9 2 , , PUNCT b2773t9676q 9 3 available available ADJ b2773t9676q 9 4 3d 3d PRON b2773t9676q 9 5 state state NOUN b2773t9676q 9 6 - - PUNCT b2773t9676q 9 7 of of ADP b2773t9676q 9 8 - - PUNCT b2773t9676q 9 9 the the DET b2773t9676q 9 10 - - PUNCT b2773t9676q 9 11 art art NOUN b2773t9676q 9 12 scanners scanner NOUN b2773t9676q 9 13 such such ADJ b2773t9676q 9 14 as as ADP b2773t9676q 9 15 the the DET b2773t9676q 9 16 minolta minolta PROPN b2773t9676q 9 17 vivid vivid PROPN b2773t9676q 9 18 series series PROPN b2773t9676q 9 19 prove prove VERB b2773t9676q 9 20 cost cost NOUN b2773t9676q 9 21 - - PUNCT b2773t9676q 9 22 prohibitive prohibitive ADJ b2773t9676q 9 23 , , PUNCT b2773t9676q 9 24 are be AUX b2773t9676q 9 25 fragile fragile ADJ b2773t9676q 9 26 , , PUNCT b2773t9676q 9 27 require require VERB b2773t9676q 9 28 that that SCONJ b2773t9676q 9 29 a a DET b2773t9676q 9 30 subject subject NOUN b2773t9676q 9 31 remain remain VERB b2773t9676q 9 32 immobile immobile ADJ b2773t9676q 9 33 for for ADP b2773t9676q 9 34 several several ADJ b2773t9676q 9 35 seconds second NOUN b2773t9676q 9 36 , , PUNCT b2773t9676q 9 37 and and CCONJ b2773t9676q 9 38 are be AUX b2773t9676q 9 39 generally generally ADV b2773t9676q 9 40 too too ADV b2773t9676q 9 41 intrusive intrusive ADJ b2773t9676q 9 42 for for ADP b2773t9676q 9 43 many many ADJ b2773t9676q 9 44 real real ADJ b2773t9676q 9 45 - - PUNCT b2773t9676q 9 46 world world NOUN b2773t9676q 9 47 acquisition acquisition NOUN b2773t9676q 9 48 scenes scene NOUN b2773t9676q 9 49 . . PUNCT b2773t9676q 10 1 these these DET b2773t9676q 10 2 observations observation NOUN b2773t9676q 10 3 provided provide VERB b2773t9676q 10 4 the the DET b2773t9676q 10 5 motivation motivation NOUN b2773t9676q 10 6 for for ADP b2773t9676q 10 7 a a DET b2773t9676q 10 8 proposed propose VERB b2773t9676q 10 9 three three NUM b2773t9676q 10 10 - - PUNCT b2773t9676q 10 11 dimensional dimensional ADJ b2773t9676q 10 12 recognition recognition NOUN b2773t9676q 10 13 system system NOUN b2773t9676q 10 14 that that PRON b2773t9676q 10 15 is be AUX b2773t9676q 10 16 built build VERB b2773t9676q 10 17 upon upon SCONJ b2773t9676q 10 18 a a DET b2773t9676q 10 19 two two NUM b2773t9676q 10 20 - - PUNCT b2773t9676q 10 21 dimensional dimensional ADJ b2773t9676q 10 22 framework framework NOUN b2773t9676q 10 23 . . PUNCT b2773t9676q 11 1 i i PRON b2773t9676q 11 2 extended extend VERB b2773t9676q 11 3 my my PRON b2773t9676q 11 4 infrared infrared ADJ b2773t9676q 11 5 research research NOUN b2773t9676q 11 6 to to PART b2773t9676q 11 7 consider consider VERB b2773t9676q 11 8 a a DET b2773t9676q 11 9 three three NUM b2773t9676q 11 10 - - PUNCT b2773t9676q 11 11 dimensional dimensional ADJ b2773t9676q 11 12 recognition recognition NOUN b2773t9676q 11 13 system system NOUN b2773t9676q 11 14 that that PRON b2773t9676q 11 15 had have VERB b2773t9676q 11 16 a a DET b2773t9676q 11 17 two two NUM b2773t9676q 11 18 - - PUNCT b2773t9676q 11 19 dimensional dimensional ADJ b2773t9676q 11 20 foundation foundation NOUN b2773t9676q 11 21 . . PUNCT b2773t9676q 12 1 this this DET b2773t9676q 12 2 dissertation dissertation NOUN b2773t9676q 12 3 explores explore VERB b2773t9676q 12 4 the the DET b2773t9676q 12 5 possibility possibility NOUN b2773t9676q 12 6 of of ADP b2773t9676q 12 7 using use VERB b2773t9676q 12 8 cost cost NOUN b2773t9676q 12 9 effective effective ADJ b2773t9676q 12 10 , , PUNCT b2773t9676q 12 11 flexible flexible ADJ b2773t9676q 12 12 , , PUNCT b2773t9676q 12 13 accurate accurate ADJ b2773t9676q 12 14 , , PUNCT b2773t9676q 12 15 and and CCONJ b2773t9676q 12 16 user user NOUN b2773t9676q 12 17 friendly friendly ADJ b2773t9676q 12 18 multiple multiple ADJ b2773t9676q 12 19 - - PUNCT b2773t9676q 12 20 view view NOUN b2773t9676q 12 21 stereo stereo NOUN b2773t9676q 12 22 photogrammetry photogrammetry NOUN b2773t9676q 12 23 to to PART b2773t9676q 12 24 reconstruct reconstruct VERB b2773t9676q 12 25 the the DET b2773t9676q 12 26 three three NUM b2773t9676q 12 27 - - PUNCT b2773t9676q 12 28 dimensional dimensional ADJ b2773t9676q 12 29 shape shape NOUN b2773t9676q 12 30 of of ADP b2773t9676q 12 31 the the DET b2773t9676q 12 32 human human ADJ b2773t9676q 12 33 face face NOUN b2773t9676q 12 34 for for ADP b2773t9676q 12 35 improved improved ADJ b2773t9676q 12 36 recognition recognition NOUN b2773t9676q 12 37 performance performance NOUN b2773t9676q 12 38 . . PUNCT b2773t9676q 13 1 specifically specifically ADV b2773t9676q 13 2 , , PUNCT b2773t9676q 13 3 i i PRON b2773t9676q 13 4 developed develop VERB b2773t9676q 13 5 a a DET b2773t9676q 13 6 novel novel ADJ b2773t9676q 13 7 approach approach NOUN b2773t9676q 13 8 to to PART b2773t9676q 13 9 face face VERB b2773t9676q 13 10 recognition recognition NOUN b2773t9676q 13 11 that that PRON b2773t9676q 13 12 relies rely VERB b2773t9676q 13 13 on on ADP b2773t9676q 13 14 2d 2d NOUN b2773t9676q 13 15 images image NOUN b2773t9676q 13 16 to to PART b2773t9676q 13 17 successfully successfully ADV b2773t9676q 13 18 reconstruct reconstruct VERB b2773t9676q 13 19 3d 3d PRON b2773t9676q 13 20 shape shape NOUN b2773t9676q 13 21 of of ADP b2773t9676q 13 22 the the DET b2773t9676q 13 23 human human ADJ b2773t9676q 13 24 face face NOUN b2773t9676q 13 25 . . PUNCT b2773t9676q 14 1 this this DET b2773t9676q 14 2 approach approach NOUN b2773t9676q 14 3 ultimately ultimately ADV b2773t9676q 14 4 outperforms outperform VERB b2773t9676q 14 5 3d 3d PRON b2773t9676q 14 6 shape shape NOUN b2773t9676q 14 7 obtained obtain VERB b2773t9676q 14 8 from from ADP b2773t9676q 14 9 a a DET b2773t9676q 14 10 commercial commercial ADJ b2773t9676q 14 11 scanner scanner NOUN b2773t9676q 14 12 . . PUNCT b2773t9676q 15 1 this this PRON b2773t9676q 15 2 is be AUX b2773t9676q 15 3 noteworthy noteworthy ADJ b2773t9676q 15 4 given give VERB b2773t9676q 15 5 that that SCONJ b2773t9676q 15 6 our our PRON b2773t9676q 15 7 approach approach NOUN b2773t9676q 15 8 does do AUX b2773t9676q 15 9 not not PART b2773t9676q 15 10 require require VERB b2773t9676q 15 11 strict strict ADJ b2773t9676q 15 12 calibration calibration NOUN b2773t9676q 15 13 as as ADP b2773t9676q 15 14 in in ADP b2773t9676q 15 15 the the DET b2773t9676q 15 16 case case NOUN b2773t9676q 15 17 of of ADP b2773t9676q 15 18 the the DET b2773t9676q 15 19 commercial commercial ADJ b2773t9676q 15 20 3d 3d NOUN b2773t9676q 15 21 scanner scanner NOUN b2773t9676q 15 22 . . PUNCT b2773t9676q 16 1 also also ADV b2773t9676q 16 2 significant significant ADJ b2773t9676q 16 3 is be AUX b2773t9676q 16 4 the the DET b2773t9676q 16 5 demonstrated demonstrated ADJ b2773t9676q 16 6 flexibility flexibility NOUN b2773t9676q 16 7 of of ADP b2773t9676q 16 8 this this DET b2773t9676q 16 9 system system NOUN b2773t9676q 16 10 to to PART b2773t9676q 16 11 successfully successfully ADV b2773t9676q 16 12 perform perform VERB b2773t9676q 16 13 3d 3d DET b2773t9676q 16 14 recognition recognition NOUN b2773t9676q 16 15 on on ADP b2773t9676q 16 16 a a DET b2773t9676q 16 17 database database NOUN b2773t9676q 16 18 acquired acquire VERB b2773t9676q 16 19 originally originally ADV b2773t9676q 16 20 for for ADP b2773t9676q 16 21 2d 2d NOUN b2773t9676q 16 22 face face NOUN b2773t9676q 16 23 recognition recognition NOUN b2773t9676q 16 24 . . PUNCT