Image Annotation: Upgrading a Picture from Pixels to Knowledge

Table of Contents

1. Challenge

2. Approaches

  2.1. Approaches Overview

  2.2. Text Over Image

     2.2.1. Merged annotation

     2.2.2. Separated annotation

  2.3. Referencing System

     2.3.1. Numbers

     2.3.2. Contours

     2.3.3. Fragments

  2.4. Captions

3. Summary