A few views from the robot
Please note that the picture size has been doubled, original size is 82x62 pixels
The five logos made from old toilet-paper roll as seen from the robot and as seen by the conected components labeling algorithm once decomposed.
The same logo shown from different angles, illustrating the importance of the lighting. The second picture is recognized ther logo because of bad lighting - the algoritm has no idea of seeing the right components.