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OpenCV_FreightFrenzy_2021-2022
Some files of how to use OpenCV in ftc. It is a bit more advanced than other stuff on the internet.
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The lower and upper are the "colors" that it searches for. So green isn't 1 value, you have light green and dark green and colors in between, which is why you need a 'Range' of colors to detect. There is a picture added on Github . The origin is (128,128) and left under is (0,0) and right up is (255,255). The Y should not be changed at all. This video helped me a lot with understanding the YCrCb Colorspace. If it is still not clear ask me again, I can go more in detail.
https://github.com/PinkToTheFuture/OpenCV_FreightFrenzy_2021-2022/ This is an example op mode to use for detecting your team shipping element. Make sure to download both files into your teamcode folder and if you're using Ftc Dashboard you can stream the footage of you webcam. Comment if you have any questions or problems.