Learn Robotics Programming

Chapter 13, Robot Vision - Using a Pi Camera and OpenCV

• We used the HSV color system when tracking colored objects. Why would the RGB color system not work for this?
  • When tracking color, the ranges used to filter are looking for a range of hues; for example, greens or reds. Tracking this in relation to the green and blue elements on RGB colors is tricky and perhaps not really viable.
• PID controllers (or PI control) were used for both behaviors. On the color track behavior we added an anti-windup measure, what would happen without this limit?
  • The integral sum would grow too high, which can cause the robot to overshoot if the response takes time.
• When performing computer vision, we use a low resolution for the images. What are some of ...