Dhruv Karthik botforge
botforge
/ hsv-trackbar.py
Last active
July 11, 2021 09:09
Find the HSV Bounds for a colored object in a video stream using a neat trackbar gui using OpenCV
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| import cv2 as cv | |
| import numpy as np | |
| # optional argument for trackbars | |
| def nothing(x): | |
| pass | |
| # named ites for easy reference | |
| barsWindow = 'Bars' | |
| hl = 'H Low' |
botforge
/ opencv-angle-calc.py
Last active
May 25, 2023 10:57
Calculate & visualize the angle between two colored objects in a video stream using OpenCV
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| """ | |
| USES OPENCV 4.10, PROBABLY WILL WORK FOR OPENCV 2.70 and up | |
| REMEMBER TO CALCULATE THE HSV BOUNDS FOR color1 & color2, use the trackbar: | |
| https://gist.github.com/botforge/c6559abd3c48bceb78c2664dcb53cef6 | |
| to get these values | |
| """ | |
| import cv2 | |
| import numpy as np | |
| import math |
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| from matplotlib import animation | |
| import matplotlib.pyplot as plt | |
| import gym | |
| """ | |
| Ensure you have imagemagick installed with | |
| sudo apt-get install imagemagick | |
| Open file in CLI with: | |
| xgd-open <filelname> |