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StyleBlit: Fast Example-Based Stylization with Local Guidance

D.Sýkora, O. Jamriška, O. Texler, J. Fišer, M. Lukáč, J. Lu, and E. Shechtman

[WebPage], [Paper], [Slides], [BiBTeX], [Unity3D Asset]

Short Abstract

StyleBlit is an efficient example-based style transfer algorithm that can deliver high-quality stylized renderings in real-time on a single-core CPU. Our technique is especially suitable for style transfer applications that use local guidance - descriptive guiding channels containing large spatial variations. Local guidance encourages transfer of content from the source exemplar to the target image in a semantically meaningful way. Typical local guidance includes, e.g., normal values, texture coordinates or a displacement field. Contrary to previous style transfer techniques, our approach does not involve any computationally expensive optimization.

StyleBlit live-web-demo

Build / Installation

Like the demo above? ... try it by yourself!

This implementation is written in C++ using OpenGL3.2. Build scripts for web-app, MacOS desktop app, and Windows desktop app are provided.

Build StyleBlit as Web application

  • We use Emscripten SDK to build the web app - to setup the Emscripten SDK, follow the instructions here: https://emscripten.org/docs/getting_started/downloads.html
  • Once Emscripten SDK is configured (i.e., em++ command is found on your PATH and works), run build-emscripten.bat
  • Run styleblit.html in your browser
  • Possible issue: Google Chrome for security reasons might refuse to run html with emscripten code without http (file:///C:/.../styleblit.html), use different web browser or run it using HTTP server. For example python -m http.server 8000 (http://localhost:8000/styleblit.html)

Build StyleBlit for Windows

  • Make sure you have Visual Studio installed (cl.exe compiler)
  • Run build-windows.bat
  • Run styleblit.exe

Build StyleBlit for MacOS

  • Make sure you have clang compiler
  • Run build-macos.sh
  • Run styleblitapp

Citing StyleBlit

If you find StyBlit usefull for your research or work, please use the following BibTeX entry.

@Article{Sykora19-EG,
  author =  "Daniel S\'{y}kora and Ond\v{r}ej Jamri\v{s}ka and Ond\v{r}ej Texler 
             and Jakub Fi\v{s}er and Michal Luk\'{a}\v{c} and Jingwan Lu and Eli Shechtman",
  title =   "{StyleBlit}: Fast Example-Based Stylization with Local Guidance",
  journal = "Computer Graphics Forum",
  volume =  38,
  number =  2,
  pages =   "83--91",
  year =    2019,
}