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Chapter 9 Vision Manager 9.2.4 Configuring camera input The following is the procedure for copying the camera image to an image processing screen. The following screen controls data transfers from the camera to an image processing screen. A B C D A: Camera number This field specifies the image source. B: Lookup This field specifies the lookup table for adjusting the data. C: Input This field specifies the processing screen to receive the camera image. D: Apply This button copies the camera image to an image processing screen. Note What is a pixel? The µVision board processes an image as an array of dots called picture elements or pixels. For storage, it handles images up to 512 pixels wide and 480 pixels tall; for drawing, up to 624 by 480. 512 624 Processing result 480 480 (Image processing screen) (Draw screen) What is brightness? Each pixel has a brightness, one of 256 numerical values between 0 and 255. The dark end of this scale is 0; the bright end, 255. 255 0 (Image processing screen) 148