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<!DOCTYPE html>
<!--
Copyright 2018 Reiichiro Nakano All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================
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<html lang="en">
<head>
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<meta name="twitter:site" content="@ReiiYoda" />
<meta name="twitter:title" content="Arbitrary Image Stylization with TF.js" />
<meta name="twitter:description" content="Paint yourself in the style of any painting, right in the browser." />
<meta name="twitter:image" content="https://raw.githubusercontent.com/reiinakano/arbitrary-image-stylization-tfjs/master/readme_img/stylize.jpg" />
<title>Arbitrary Image Stylization in the Browser</title>
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.centered {
margin: auto;
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<body>
<a href="https://github.com/reiinakano/arbitrary-image-stylization-tfjs" class="github-corner" aria-label="View source on Github"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
<input type="file" id="file-select" style="display: none" accept="image/x-png,image/gif,image/jpeg"/>
<!-- As a heading -->
<div class="jumbotron jumbotron-fluid py-4" style="text-align: center; background-color: #f5f5f5;">
<div class="container">
<h4>Arbitrary Image Stylization in the Browser</h1>
</div>
</div>
<div class="">
<div id="mobile-warning" hidden class="alert alert-warning" role="alert">
This site may have problems functioning on mobile devices.
Don't worry, you can still read the description below!
</div>
<ul class="nav nav-tabs nav-fill" id="myTab" role="tablist">
<li class="nav-item">
<a class="nav-link active" id="stylize-tab" data-toggle="tab" href="#stylize" role="tab" aria-controls="stylize" aria-selected="true">Stylize an image</a>
</li>
<li class="nav-item">
<a class="nav-link" id="combine-tab" data-toggle="tab" href="#combine" role="tab" aria-controls="combine" aria-selected="false">Combine two styles</a>
</li>
</ul>
<div class="tab-content" id="myTabContent">
<div class="tab-pane fade show active" id="stylize" role="tabpanel" aria-labelledby="stylize-tab">
<div class="container">
<div class="row my-4">
<div class="col mx-5 my-4">
<img id="content-img" class="centered" src="images/chicago.jpg" height=256></img>
<br>
<label for="content-img-size">Content image size</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="A bigger content image results in a more detailed output, but increases the processing time significantly."></i>
<input type="range" min="256" max="400" value="256" class="custom-range centered" id="content-img-size" >
<br>
<select id="content-select" class="centered custom-select">
<option value="pic">Take a picture</option>
<option value="file">Select from file</option>
<option value="stata">stata</option>
<option value="diana">diana</option>
<option value="golden_gate">golden_gate</option>
<option value="beach">beach</option>
<option value="chicago" selected="selected">chicago</option>
<option value="statue_of_liberty">statue_of_liberty</option>
</select>
</div>
<div class="col mx-5 my-4">
<img id="style-img" class="centered" crossorigin="anonymous" src="images/seaport.jpg" height=256></img>
<br>
<label for="style-img-size">Style image size</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title='Changing the size of a style image usually affects the texture "seen" by the network.'></i>
<input id="style-img-square" type="checkbox" style="vertical-align: middle; float: right;"
data-toggle="tooltip" data-placement="top"
title="Force image to square">
<input type="range" min="100" max="400" value="256" class="custom-range centered" id="style-img-size">
<br>
<select id="style-select" class="centered custom-select">
<option value="file">Select from file</option>
<option value="random">Random image from wikiart.org</option>
<option value="udnie">udnie</option>
<option value="stripes">stripes</option>
<option value="bricks">bricks</option>
<option value="clouds">clouds</option>
<option value="towers">towers</option>
<option value="sketch">sketch</option>
<option value="seaport" selected="selected">seaport</option>
<option value="red_circles">red_circles</option>
<option value="zigzag">zigzag</option>
</select>
</div>
</div>
<div class="row my-4">
<div class="col-md-6 offset-md-3">
<canvas id="stylized" class="centered"></canvas>
<br>
<label for="stylized-img-ratio">Stylization strength</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="This parameter affects the stylization strength. The further to the right, the stronger the stylization. This is done via interpolation between the style vectors of the content and style images."></i>
<input type="range" min="0" max="100" value="100" class="custom-range centered" id="stylized-img-ratio">
</div>
</div>
<div class="row my-4">
<div class="col-md-5 offset-md-3">
<button disabled id="style-button" type="button" class="btn btn-primary btn-block">Loading stylization model. Please wait..</button>
</div>
<div class="col-md-1">
<button type="button" id="randomize" class="btn btn-light btn-block">
<i class="fas fa-random" data-toggle="tooltip" data-placement="top"
title="Randomize parameters"></i>
</button>
</div>
</div>
</div>
</div>
<div class="tab-pane fade" id="combine" role="tabpanel" aria-labelledby="combine-tab">
<div class="container">
<div class="row my-4">
<div class="col mx-5 my-4">
<img id="c-style-img-1" class="centered" crossorigin="anonymous" src="images/stripes.jpg" height=256></img>
<br>
<label for="c-style-img-1-size">Style A Size</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="Changing the size of a style image usually affects the texture "seen" by the network."></i>
<input id="c-style-1-square" type="checkbox" style="vertical-align: middle; float: right;"
data-toggle="tooltip" data-placement="top"
title="Force image to square">
<input type="range" min="100" max="400" value="256" class="custom-range centered" id="c-style-img-1-size">
<br>
<select id="c-style-1-select" class="centered custom-select">
<option value="file">Select from file</option>
<option value="random">Random image from wikiart.org</option>
<option value="udnie">udnie</option>
<option value="stripes" selected="selected">stripes</option>
<option value="bricks">bricks</option>
<option value="clouds">clouds</option>
<option value="towers">towers</option>
<option value="sketch">sketch</option>
<option value="seaport">seaport</option>
<option value="red_circles">red_circles</option>
<option value="zigzag">zigzag</option>
</select>
</div>
<div class="col mx-5 my-4">
<img id="c-style-img-2" class="centered" crossorigin="anonymous" src="images/bricks.jpg" height=256></img>
<br>
<label for="c-style-img-2-size">Style B Size</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="Changing the size of a style image usually affects the texture "seen" by the network."></i>
<input id="c-style-2-square" type="checkbox" style="vertical-align: middle; float: right;"
data-toggle="tooltip" data-placement="top"
title="Force image to square">
<input type="range" min="100" max="400" value="256" class="custom-range centered" id="c-style-img-2-size">
<br>
<select id="c-style-2-select" class="centered custom-select">
<option value="file">Select from file</option>
<option value="random">Random image from wikiart.org</option>
<option value="udnie">udnie</option>
<option value="stripes">stripes</option>
<option value="bricks" selected="selected">bricks</option>
<option value="clouds">clouds</option>
<option value="towers">towers</option>
<option value="sketch">sketch</option>
<option value="seaport">seaport</option>
<option value="red_circles">red_circles</option>
<option value="zigzag">zigzag</option>
</select>
</div>
</div>
<div class="row my-4">
<div class="col-md-6 offset-md-3">
<img id="c-content-img" class="centered" src="images/statue_of_liberty.jpg" height=256></img>
<br>
<label for="c-content-img-size">Content image size</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="A bigger content image results in a more detailed output, but increases the processing time significantly."></i>
<input type="range" min="256" max="400" value="256" class="custom-range centered" id="c-content-img-size">
<br>
<select id="c-content-select" class="centered custom-select">
<option value="pic">Take a picture</option>
<option value="file">Select from file</option>
<option value="stata">stata</option>
<option value="diana">diana</option>
<option value="golden_gate">golden_gate</option>
<option value="beach">beach</option>
<option value="chicago">chicago</option>
<option value="statue_of_liberty" selected="selected">statue_of_liberty</option>
</select>
</div>
</div>
<div class="row my-4">
<div class="col-md-6 offset-md-3">
<canvas id="c-stylized" class="centered"></canvas>
<br>
<label for="c-stylized-img-ratio">Stylization Ratio</label>
<i class="far fa-question-circle" data-toggle="tooltip" data-placement="top"
title="This parameter affects the strength of the two styles relative to each other. This is done via interpolation between the style vectors of the two style images."></i>
<input type="range" min="0" max="100" value="50" class="custom-range centered" id="c-stylized-img-ratio">
</div>
</div>
<div class="row my-4">
<div class="col-md-5 offset-md-3">
<button disabled id="combine-button" type="button" class="btn btn-primary btn-block">Loading stylization model. Please wait..</button>
</div>
<div class="col-md-1">
<button type="button" id="c-randomize" class="btn btn-light btn-block">
<i class="fas fa-random" data-toggle="tooltip" data-placement="top"
title="Randomize parameters"></i>
</button>
</div>
</div>
</div>
</div>
</div>
<canvas id="hidden-canvas" style="display: none"></canvas>
<div class="modal fade" id="cam-modal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">Take a snapshot!</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<video id="webcam-video" class="centered" width="500" height="375"></video>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
<button type="button" class="btn btn-primary" id="snap-button">Snap!</button>
</div>
</div>
</div>
</div>
<div class="container-fluid pt-5" style="background-color: #f5f5f5;">
<div class="row">
<div class="col-md-4 offset-md-4">
<a href="https://twitter.com/share?ref_src=twsrc%5Etfw" class="twitter-share-button" data-text="Paint a photograph in the style of anything, right in your browser! Try out arbitrary image stylization! #CreativeAI #creativecoding #generative" data-show-count="false">Tweet</a><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
What is this?
</h5>
<p>
This is an implementation of an arbitrary image stylization algorithm
running purely in the browser using TensorFlow.js. As with all neural
style transfer algorithms, a neural network attempts to "draw" one
picture, the Content (usually a photograph), in the style of another,
the Style (usually a painting).
</p>
<p>
Although <a href="https://github.com/reiinakano/fast-style-transfer-deeplearnjs">other browser implementations</a> of style transfer exist,
they are normally limited to a pre-selected handful of styles, due to
the requirement that a separate neural network must be trained for each
style image.
</p>
<p>
Arbitrary image stylization works around this limitation by using a
separate <i>style network</i> that learns to break down <i>any</i> image into
a 100-dimensional vector representing its style. This style vector is
then fed into another network, the <i>transformer network</i>, along
with the content image, to produce the final stylized image.
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
Is my data safe? Can you see my pictures?
</h5>
<p>
Your data and pictures here never leave your computer! In fact,
this is one of the main advantages of running neural networks
in your browser. Instead of sending us your data, we send *you*
both the model *and* the code to run the model. These are then
run by your browser.
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
How big are the models I'm downloading?
</h5>
<p>
The style network is ~9.6MB, while the transformer network is ~7.9MB,
for a total of ~17.5MB. Since these models work for any style, you only
have to download them once!
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
Are you using the same model as the original paper?
</h5>
<p>
No. The original paper uses an Inception-v3 model
as the style network (~96.2MB as a .tar.gz), which is too
large to be deployed in a browser setting.
</p>
<p>
Before porting this to the browser, a MobileNet-v2 was
used to distill the knowledge from a pretrained Inception-v3
style network. This resulted in a size reduction over 10x,
from ~96.2MB to ~9.6MB.
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
How does style combination work?
</h5>
<p>
Since each style can be mapped to a 100-dimensional
style vector by the style network,
we simply take a weighted average of the two to get
a new style vector for the transformer network.
</p>
<p>
This is also how we are able to control the strength
of stylization. We take a weighted average of the style
vectors of <i>both</i> content and style images and use
it as input to the transformer network.
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
Is the code open source?
</h5>
<p>
Yup! The code is <a href="https://github.com/reiinakano/arbitrary-image-stylization-tfjs">hosted on Github</a>.
</p>
</div>
</div>
<div class="row pt-5">
<div class="col-md-4 offset-md-4">
<h5>
Credits
</h5>
<p>
This demo was put together by <a href="https://github.com/reiinakano">Reiichiro Nakano</a>
but could not have been done without the following:
</p>
<ul>
<li>
Authors of the
<a href="https://arxiv.org/abs/1705.06830">arbitrary image stylization</a> paper.
</li>
<li>
The Magenta repository for <a href="https://github.com/tensorflow/magenta/tree/master/magenta/models/arbitrary_image_stylization">arbitrary image stylization</a>.
</li>
<li>
Authors of <a href="https://arxiv.org/abs/1801.04381">the MobileNet-v2 paper</a>.
</li>
<li>
Authors of the paper describing <a href="https://arxiv.org/abs/1503.02531">neural network knowledge distillation</a>.
</li>
<li>
The <a href="https://js.tensorflow.org">TensorFlow.js library</a>.
</li>
<li>
<a href="https://colab.research.google.com/">Google Colaboratory</a>,
with which I was able to do all necessary training using a free(!) GPU.
</li>
</ul>
<p>
As a final note, I'd love to hear from people interested
in making a suite of tools for artistically manipulating images, kind of like
<a href="https://magenta.tensorflow.org/studio">Magenta Studio</a>
but for images. Please reach out if you're planning to build/are
building one out!
</p>
</div>
</div>
</div>
</div>
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