Object Detection from Aerial Image - Institute for Computer Graphics ...

icg.tugraz.at

Object Detection from Aerial Image - Institute for Computer Graphics ...

Boosting for Feature Selection

♦ A weak classifier corresponds to a feature

h

weak

i

( x)

~ f ( x)

i

⇒ selects representative features while learning an efficient

classifiers (Tieu & Viola, 2000, Viola & Jones, 2003)

♦ Features

– Haar-like wavelets

– Orientation histograms

– Locally binary patterns

(LBP)

♦ Fast computation using efficient

data structures

– integral images

– integral histograms

Object Detection from Aerial Image 14 Graz, 16 th Oct. 2009

Thuy Nguyen

More magazines by this user
Similar magazines