Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Deep Learning Image Manipulation
Search
Leszek Rybicki
May 18, 2017
Research
2
210
Deep Learning Image Manipulation
Illustrated guide to some image manipulation methods, with demonstration.
Leszek Rybicki
May 18, 2017
Tweet
Share
More Decks by Leszek Rybicki
See All by Leszek Rybicki
Let's talk about Fakes
lunardog
0
140
How to Patch Image Classifiers
lunardog
0
2.3k
Towards Realistic Predictors - EN
lunardog
0
2.2k
Towards Realistic Predictors
lunardog
1
2.3k
Deep Learning Hot Dog Detector
lunardog
0
270
Finding beans in burgers: paper reading notes
lunardog
0
1.7k
Kelner: Serve Your Models
lunardog
0
120
Image Analysis at Cookpad
lunardog
1
1.8k
Kelner: serve your models
lunardog
1
390
Other Decks in Research
See All in Research
Unsupervised Domain Adaptation Architecture Search with Self-Training for Land Cover Mapping
satai
3
290
Pythonでジオを使い倒そう! 〜それとFOSS4G Hiroshima 2026のご紹介を少し〜
wata909
0
1.1k
EarthDial: Turning Multi-sensory Earth Observations to Interactive Dialogues
satai
3
320
病院向け生成AIプロダクト開発の実践と課題
hagino3000
0
290
Vision and LanguageからのEmbodied AIとAI for Science
yushiku
PRO
1
580
Language Models Are Implicitly Continuous
eumesy
PRO
0
330
AWSで実現した大規模日本語VLM学習用データセット "MOMIJI" 構築パイプライン/buiding-momiji
studio_graph
2
860
GPUを利用したStein Particle Filterによる点群6自由度モンテカルロSLAM
takuminakao
0
570
Learning to (Learn at Test Time): RNNs with Expressive Hidden States
kurita
1
280
Combinatorial Search with Generators
kei18
0
1.2k
離散凸解析に基づく予測付き離散最適化手法 (IBIS '25)
taihei_oki
PRO
1
530
J-RAGBench: 日本語RAGにおける Generator評価ベンチマークの構築
koki_itai
0
940
Featured
See All Featured
Building Better People: How to give real-time feedback that sticks.
wjessup
370
20k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
Designing Experiences People Love
moore
142
24k
BBQ
matthewcrist
89
9.9k
Making the Leap to Tech Lead
cromwellryan
135
9.6k
It's Worth the Effort
3n
187
28k
Reflections from 52 weeks, 52 projects
jeffersonlam
355
21k
RailsConf 2023
tenderlove
30
1.3k
For a Future-Friendly Web
brad_frost
180
10k
Context Engineering - Making Every Token Count
addyosmani
10
390
Rebuilding a faster, lazier Slack
samanthasiow
84
9.3k
Gamification - CAS2011
davidbonilla
81
5.5k
Transcript
%FFQ-FBSOJOH *NBHF.BOJQVMBUJPO BOJMMVTUSBUFEHVJEF .-,JUDIFO
"CPVUNF w -FT[FL3ZCJDLJ w HJUIVC!MVOBSEPH w CPSOJO1PMBOE w .-3FTFBSDIFSBU$PPLQBE w
*MJLFOBUUP
DBSFFST!DPPLQBEDPN 8BOUUPXPSLXJUIVT
$POWPMVUJPOBM "SJUINFUJD OCIKE
*NBHFTUPGFBUVSFT
$POWPMVUJPO http://deeplearning.net/software/theano/tutorial/conv_arithmetic.html input output input output kernel
4USJEF http://deeplearning.net/software/theano/tutorial/conv_arithmetic.html 2px 2px 2px 2px
1BEEJOH http://deeplearning.net/software/theano/tutorial/conv_arithmetic.html 2px 2px
4USJEF QBEEJOH http://deeplearning.net/software/theano/tutorial/conv_arithmetic.html
5SBOTQPTFE http://deeplearning.net/software/theano/tutorial/conv_arithmetic.html simulated here with padding also called “deconvolution” “fractional
stride”
%PXOTBNQMJOH features or small resolution image convolutional layer or layers
RGB image input output
6QTBNQMJOH upsampling CNN layer or layers RGB image features or
small resolution image input output
&ODPEFS%FDPEFS D E image in Decoder Encoder image out feature
space
'VMMZ$POOFDUFE $MBTTJpFS approve loan reject class data or features also
called “Dense” layer
$//$MBTTJpFS food person plant other AlexNet, LeNet, VGG…
'PPE/FU ™ food not food
@teenybiscuit
None
@teenybiscuit
@teenybiscuit
@teenybiscuit
@teenybiscuit
@teenybiscuit
(FOFSBUJWF "EWFSTBSJBM /FUXPSLT
Generator Discriminator https://speakerdeck.com/lunardog/deep-convolutional-voight-kampf-test “Couple of bots studying for the Turing
Test”
Unsupervised Representation Learning with Deep Convolutional Generative Adversarial Networks Alec
Radford, Luke Metz, Soumith Chintala (Submitted on 19 Nov 2015 (v1), last revised 7 Jan 2016 (this version, v2)) https://arxiv.org/abs/1511.06434
Generator Discriminator G MPPLTMFHJU UPUBMMZTIPQQFE D
G SFBM GBLF D D(G(noise)) ˠ real (FOFSBUPSUSBJOJOH Discriminator acts
as the teacher
G SFBM GBLF D SFBM GBLF D D(G(noise)) ˠ fake
D(photo) ˠ real %JTDSJNJOBUPSUSBJOJOH Generator provides negative examples
None
https://www.youtube.com/watch?v=rs3aI7bACGc ©Yota Ishida
Unsupervised Representation Learning with Deep Convolutional Generative Adversarial Networks Alec
Radford, Luke Metz, Soumith Chintala (Submitted on 19 Nov 2015 (v1), last revised 7 Jan 2016 (this version, v2)) https://arxiv.org/abs/1511.06434
$POEJUJPOBM ("/T
G NBMF GFNBMF DIJME FMEFSMZ G(noise | conditions) $POEJUJPOBM(FOFSBUPS
SJHIU XSPOH NBMF GFNBMF DIJME FMEFSMZ D $POEJUJPOBM%JTDSJNJOBUPS
SJHIU XSPOH NBMF GFNBMF DIJME FMEFSMZ D SJHIU XSPOH NBMF
GFNBMF DIJME FMEFSMZ SJHIU XSPOH NBMF GFNBMF DIJME FMEFSMZ D D
SJHIU XSPOH D $POEJUJPOBM("/ https://arxiv.org/abs/1411.1784 Conditional Generative Adversarial Nets Mehdi
Mirza, Simon Osindero (Submitted on 6 Nov 2014) Generator Discriminator NBMF GFNBMF DIJME FMEFSMZ G NBMF GFNBMF DIJME FMEFSMZ same condition
G NBMF GFNBMF DIJME FMEFSMZ SJHIU XSPOH NBMF GFNBMF DIJME
FMEFSMZ D $POEJUJPOBM("/ Discriminator Generator
https://www.faceapp.com/ Disclaimer: FaceApp authors don’t disclose their method. This is
only my guess. It may have nothing to do with GANs. original
original https://www.faceapp.com/
https://www.faceapp.com/ original
"SUJTUJD4UZMF5SBOTGFS Improved!
https://prisma-ai.com/
https://prisma-ai.com/ https://prisma-ai.com/
https://prisma-ai.com/ https://prisma-ai.com/
https://prisma-ai.com/ https://prisma-ai.com/
https://arxiv.org/abs/1603.08155 transformation network loss network Gram matrices in feature space
pre-trained content image style image
“Gram matrices in feature space” https://en.wikipedia.org/wiki/Gramian_matrix
https://www.youtube.com/watch?v=xVJwwWQlQ1o
$ZDMF("/
https://github.com/junyanz/CycleGAN
https://github.com/junyanz/CycleGAN
https://github.com/junyanz/CycleGAN
(FOFSBUPS transformation network https://arxiv.org/abs/1603.08155
GBLF IPSTF GBLF IPSTF … %JTDSJNJOBUPS fully convolutional judges patches
of the input image https://arxiv.org/abs/1603.08155
"EWFSTBSJBM-PTT X F G Y GBLF [FCSB GBLF [FCSB …
GBLF IPSTF GBLF IPSTF … X(F(horse)) ˠ classify as zebra Y(F(zebra)) ˠ classify as horse
$ZDMF-PTT G F G(F(image))ˠ the same image F G F(G(image))ˠ
the same image
https://www.youtube.com/watch?v=9reHvktowLY
5IF&OE