Face swapping, Image morphing, Image warping, Face substitution, Face replace.
https://github.com/alyssaq/face_morpher
https://github.com/oflynned/Snapchat-Filter
http://life-in-a-monospace-typeface.tumblr.com/post/28495219189/quick-and-dirty-automatic-face-replacement-with
Image Morphing - local (non-parametric) warp
http://alumni.media.mit.edu/~maov/classes/comp_photo_vision08f/lect/07_Image%20Morphing.pdf
https://github.com/arturoc/FaceSubstitution
https://github.com/jorticus/face-replace
https://github.com/t0nyren/piecewiseAffine
https://github.com/royshil/HeadReplacement
https://github.com/trishume/faceHack
https://github.com/marsbroshok/face-replace
https://github.com/junyanz/FaceDemo
https://github.com/matthewearl/faceswap
http://home.elka.pw.edu.pl/%7Emkowals6/doku.php
https://github.com/takiyu/CLM
https://github.com/mc-jesus/FaceSwap
https://matthewearl.github.io/2015/07/28/switching-eds-with-python/
https://github.com/MarekKowalski/FaceSwap
http://alumni.media.mit.edu/~roys/identitytransfer-cgaieee2012/
https://github.com/HVisionSensing/FaceFlip
https://github.com/liaojing/Image-Morphing/tree/master/code
https://github.com/blendmaster/rigid-faces
https://github.com/vdumoulin/morphing_faces
https://github.com/hrastnik/FaceSwap
https://github.com/spmallick/learnopencv/tree/master/FaceMorph
https://github.com/spmallick/learnopencv/tree/master/FaceSwap
https://github.com/YuvalNirkin/face_swap
https://github.com/menpo/lsfm
Beautyfication:
https://github.com/Guikunzhi/BeautifyFaceDemo
Other
3D
https://github.com/KeeganRen/FaceReconstruction
https://github.com/anhttran/3dmm_cnn
http://www.openu.ac.il/home/hassner/projects/poses/
https://github.com/menpo/lsfm
Video:
https://github.com/YuvalNirkin/face_video_segment
#Deep learning
https://github.com/deepfakes/faceswap
https://github.com/datitran/face2face-demo
https://github.com/ddtm/deep-smile-warp
https://github.com/msracver/Deep-Image-Analogy
https://github.com/datitran/face2face-demo
https://github.com/ZZUTK/Face-Aging-CAAE
https://github.com/zo7/deconvfaces
https://github.com/tkarras/progressive_growing_of_gans
http://www.openu.ac.il/home/hassner/projects/CNN3DMM/
https://github.com/shaoanlu/faceswap-GAN