Video and Image Processing Blockset 2.8

Feature Extraction

This demo illustrates how to use basic morphological operators to extract information from a video stream. In this case, the demo counts the spokes in a rotating wheel.

Contents

Demo Model

The following figure shows the Feature Extraction demo model:

Feature Extraction Results

The model segments the spokes based on their shape and area using the Opening and Closing blocks. Then the model counts the number of spokes using the Label block.