Tundish Cover Flux Thickness Measurement Method and Instrumentation Based on Computer Vision in Continuous Casting Tundish

Figure 9

Schematic diagram of image coordinate system. 𝑔 is the base point, which is in the center of the image, 𝑃^′ represents one pixel in the image with coordinate  (𝑝_𝑥,𝑝_𝑦), x-g-y represents the rectangular coordinate system, W represents the width of the image, and H represents the height of the image.