Created
December 3, 2017 01:36
-
-
Save Luctins/c74b95be4dc5a27bedbc22802402c925 to your computer and use it in GitHub Desktop.
OpenCV experiment
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import cv2 as cv | |
import numpy as np | |
def nothing(x): | |
pass | |
#img = cv.imread('fil_img.jpg') | |
cap = cv.VideoCapture(0) | |
#hsv color is 0-179 (180) for hue, 0-255 for saturation, and 0-255 for value | |
cv.namedWindow('controls') | |
#Top Color | |
cv.createTrackbar('topColorH','controls',0,179,nothing) | |
cv.createTrackbar('topColorS','controls',0,255,nothing) | |
cv.createTrackbar('topColorV','controls',0,255,nothing) | |
#Bottom color | |
cv.createTrackbar('botColorH','controls',0,179,nothing) | |
cv.createTrackbar('botColorS','controls',0,255,nothing) | |
cv.createTrackbar('botColorV','controls',0,255,nothing) | |
sample = np.zeros((512,512,3), np.uint8) | |
while 1: | |
#get frame | |
grabbed, frame = cap.read() | |
#get slider values | |
top_color = np.uint8([[[ cv.getTrackbarPos('topColorH','controls'), \ | |
cv.getTrackbarPos('topColorS','controls'), \ | |
cv.getTrackbarPos('topColorV','controls') ]]]) | |
bot_color = np.uint8([[[ cv.getTrackbarPos('botColorH','controls'), \ | |
cv.getTrackbarPos('botColorS','controls'), \ | |
cv.getTrackbarPos('botColorV','controls') ]]]) | |
print 'top_color' , top_color | |
print 'bot_color' , bot_color | |
#set sample colors | |
sample[:,0:255]= cv.cvtColor(top_color, cv.COLOR_HSV2BGR) | |
sample[:,255:512]= cv.cvtColor(bot_color, cv.COLOR_HSV2BGR) | |
#11,11 is the matrix size used to blur the image | |
blur = cv.GaussianBlur(frame, (11,11), 0) | |
hsv = cv.cvtColor(blur, cv.COLOR_BGR2HSV) | |
result = cv.inRange(hsv, bot_color, top_color) | |
cv.imshow('result', result) | |
cv.imshow('controls', sample) | |
cv.imshow('original', frame) | |
k = cv.waitKey(5) & 0xFF | |
if k == 27: | |
break | |
cv.destroyAllWindows() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment