Web-based Realtime Video Annotation by Viewers.

PDF
Daisuke YAMAMOTO
Media Science, Information Science, Nagoya University
Katashi NAGAO
Center for Information Media Studies, Nagoya University

1 introduction

2 Web-based Realtime Video Annotation

System

Fugure1: System

Web Browser Interface

Fugure2: Web Browser Interface

$\sum_{i=全ての印象アノテーション}N(t_{i},m)$
(1)
TextAnnotation

Fugure3: TextAnnotation

impression annotation

Fugure4: impression annotation

3

$e_{k} = d(g_{k}+b_{k}) \times \frac{g_{k}-b_{k}}{g_{k}+b_{k}}$
(2)
$d(x) = 1-\exp(\tau x)$
(3)
$p=d(n) \times \frac{1}{n} \sum ^{n}_{k=1}e_{K}$
(4)
$r_{k}=\frac{\alpha p+\beta(g_{k}-b_{k}}{\alpha+\beta(g_{k}+b{k})}$
(5)

4