How To Evaluate a Colour USB UVC Camera for Reliable Product Inspection Two packets come down a conveyor. The first carries a label in the intended shade of blue. The other carries a label printed in a marginally different shade. On a still image, the difference is easy to spot. https://infonow-breakingread911.dm-blog.com/43733728/how-much-is-it-worth-for-color-usb-uvc-camera