Image Object Concepts

Start to learn about object based image analysis using Definien Developer software, hereafter referred to as DD.

Within DD, images are represented by scenes. Images are loaded as scenes and can have one or more image layers. During analysis, the scene is split into image objects, which is a group of connected pixels in a scene.

All the image objects within a scene are organized by image object levels. DD user's guide shows the image object levels as

Image object level are the internal working area of image analysis in DD, which is different from the traditional per-pixel image analysis, where pixels are the internal working objects.

Another import concept in DD analysis is Feature.

A feature is an attribute that represents certain information concerning objects of interest, for example measurements, attached data or values.

Two types of features are used: image object feature and global features.