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. 2015 Oct 13;9:11. doi: 10.3389/fnbot.2015.00011

Figure 6.

Figure 6

Sixteen random environments with different numbers and orientations of obstacles. The red dot is the starting point of the robot and the green dot indicates the end point of the robot. The environments were randomly filled with obstacles from the amount of 4–20 boxes. Red square shows the fail case. Green and blue squares show the success cases where the agent was facing to a confined space and a trap, respectively.