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TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20270314T030000 RDATE:20271107T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20280312T030000 RDATE:20281105T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20290311T030000 RDATE:20291104T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20300310T030000 RDATE:20301103T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20310309T030000 RDATE:20311102T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20320314T030000 RDATE:20321107T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20330313T030000 RDATE:20331106T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20340312T030000 RDATE:20341105T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:2b7743ec498a7180b420b704268a7d64 CATEGORIES:PhD Defense CREATED:20190823T084024 SUMMARY:Learning human facial performance: analysis and synthesis LOCATION:CoRE A (301) DESCRIPTION;ENCODING=QUOTED-PRINTABLE:
Abstract :
Human faces convey a large range of semantic meaning through facial expressions, which reflect both actions and affective states. More importantly, in the c oming age of artificial intelligence and virtual persona, facial expression s can serve as a two-way communicative interface between human and machine. In this dissertation, we study two aspects of face and facial expression m odeling: the analysis and reconstruction of human facial expressions via in terpretable 3D blendshape representation from different input modalities, a nd the reversed problem in which we train a model to hallucinate coherent f acial expressions directly given any arbitrary portrait and facial action p arameters.
Fir st, we present a real-time robust 3D face tracking framework from RGBD vide os, driven by an efficient and flexible 3D shape regressor, capable of trac king head pose, facial actions and on-the-fly identity adaptation in extrem e instances.
S econd, we introduce a series of recurrent neural networks to predict facial action intensities from speech for real-time animation.
Finally, we present a novel deep generative neural network that can directly manipulate image pixels of a p ortrait to make the unseen subject express various emotions controlled by c ontinuous facial action unit coefficients, while maintaining her personal c haracteristics. Our model enables flexible, effortless facial expression ed iting.
DTSTAMP:20240328T133618Z DTSTART;TZID=America/New_York:20181030T130000 SEQUENCE:0 TRANSP:OPAQUE END:VEVENT END:VCALENDAR