https://teddyrookbook.com/robotics/robot-vision/Recent content in Robot Vision on Teddy Rook Bookhttps://teddyrookbook.com/img/share.jpghttps://teddyrookbook.com/img/share.jpgHugoenhttps://teddyrookbook.com/robotics/robot-vision/pixels/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/robotics/robot-vision/pixels/An image is a grid of pixels; a color pixel stores three numbers, so a 640 × 480 color frame is 921,600 bytes. Robot Vision · Robotics Ladderhttps://teddyrookbook.com/robotics/robot-vision/color-threshold/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/robotics/robot-vision/color-threshold/Keep the pixels whose color passes a test, such as red − (green + blue)/2 > T; the rest are background. Robot Vision · Robotics Ladderhttps://teddyrookbook.com/robotics/robot-vision/centroid-steering/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/robotics/robot-vision/centroid-steering/The target's center is the average column of the pixels that pass; the steering error is that minus the image center. Robot Vision · Robotics Ladderhttps://teddyrookbook.com/robotics/robot-vision/pinhole-camera/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/robotics/robot-vision/pinhole-camera/Image size in pixels = f × real size ÷ distance, so a known size gives the distance. Robot Vision · Robotics Ladder