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Image annotation web application

Annotate datasets of images, in your browser
A screenshot of the configurable application interface
In computer vision and image processing fields, the first task of almost every project consists in annotating images to create training datasets. Countless teams over the globe spend time and resources every day, simply to create a single use tool to prepare those datasets. This application aims at solving those image annotation needs, in the simplest, most efficient form.
The simplest tool, from a user perspective, should be immediately available i.e. should not require any additional installation to be fully functional. This is the reason why our image annotation application is a Web application. It is available at In case you wish to run it offline, please follow the installation instructions in the README on github.
Image annotation tasks quickly become tedious, especially for big datasets and complex annotations like polygonal contours of shapes. Efficiency is met by minimizing the number of interactions, context switch, and visual overload. We value light user interface and optimize user experience by providing a configurable interface with a standard Json file. See more details in the "Getting started" page.
In the following pages, we describe our tool, its usage, and introduce the code structure if you are interested in contributing. It's open source after all! Alternatives are presented in the last page if you're not convinced yet ;)
Last modified 5yr ago