TV Content Analysis

Chapter 4

Robust, Hardware-Oriented Overlaid Graphics Detection for TV Applications

Ahmet Ekin

Philips Research Europe

Contents

4.1 Introduction

4.2 Properties of Content and the TV Architecture

4.3 Detection of Overlaid Text by Classifier Fusion

4.3.1 Edge-Based Preprocessing

4.3.2 CC-Based Character-Level Analysis

4.3.3 Texture-Based Text Detection by SVM

4.3.4 Text Verification by a Decision Tree

4.3.5 Text Detection Performance

4.4 Detection of TV Channel Logos by Using Cinematic Cues

4.4.1 Computation of the Scene Model by Color

4.4.2 Identification ...