From bd264ba1c58856fadda83481e886de264ba97dcf Mon Sep 17 00:00:00 2001
From: def <8384198-dettlaff@users.noreply.gitlab.com>
Date: Wed, 1 Dec 2021 20:48:11 +0000
Subject: [PATCH] =?UTF-8?q?=D0=97=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=B8?=
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---
 ai/color.py | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 ai/color.py

diff --git a/ai/color.py b/ai/color.py
new file mode 100644
index 0000000..d27b550
--- /dev/null
+++ b/ai/color.py
@@ -0,0 +1,76 @@
+from __future__ import division
+import cv2
+import numpy as np
+
+def nothing(*arg):
+        pass
+
+# Initial HSV GUI slider values to load on program start.
+icol = (36, 202, 59, 71, 255, 255)    # Green
+#icol = (18, 0, 196, 36, 255, 255)  # Yellow
+#icol = (89, 0, 0, 125, 255, 255)  # Blue
+#icol = (0, 100, 80, 10, 255, 255)   # Red
+cv2.namedWindow('colorTest')
+# Lower range colour sliders.
+cv2.createTrackbar('lowHue', 'colorTest', icol[0], 255, nothing)
+cv2.createTrackbar('lowSat', 'colorTest', icol[1], 255, nothing)
+cv2.createTrackbar('lowVal', 'colorTest', icol[2], 255, nothing)
+# Higher range colour sliders.
+cv2.createTrackbar('highHue', 'colorTest', icol[3], 255, nothing)
+cv2.createTrackbar('highSat', 'colorTest', icol[4], 255, nothing)
+cv2.createTrackbar('highVal', 'colorTest', icol[5], 255, nothing)
+
+# Raspberry pi file path example.
+frame = cv2.imread('box.png')
+# Windows file path example.
+#frame = cv2.imread('colour-circles-test.jpg')
+
+while True:
+    # Get HSV values from the GUI sliders.
+    lowHue = cv2.getTrackbarPos('lowHue', 'colorTest')
+    lowSat = cv2.getTrackbarPos('lowSat', 'colorTest')
+    lowVal = cv2.getTrackbarPos('lowVal', 'colorTest')
+    highHue = cv2.getTrackbarPos('highHue', 'colorTest')
+    highSat = cv2.getTrackbarPos('highSat', 'colorTest')
+    highVal = cv2.getTrackbarPos('highVal', 'colorTest')
+
+    # Show the original image.
+    cv2.imshow('frame', frame)
+
+    # Blur methods available, comment or uncomment to try different blur methods.
+    frameBGR = cv2.GaussianBlur(frame, (7, 7), 0)
+    #frameBGR = cv2.medianBlur(frameBGR, 7)
+    #frameBGR = cv2.bilateralFilter(frameBGR, 15 ,75, 75)
+    """kernal = np.ones((15, 15), np.float32)/255
+    frameBGR = cv2.filter2D(frameBGR, -1, kernal)"""
+
+    # Show blurred image.
+    cv2.imshow('blurred', frameBGR)
+
+    # HSV (Hue, Saturation, Value).
+    # Convert the frame to HSV colour model.
+    hsv = cv2.cvtColor(frameBGR, cv2.COLOR_BGR2HSV)
+
+    # HSV values to define a colour range.
+    colorLow = np.array([lowHue,lowSat,lowVal])
+    colorHigh = np.array([highHue,highSat,highVal])
+    mask = cv2.inRange(hsv, colorLow, colorHigh)
+    # Show the first mask
+    #cv2.imshow('mask-plain', mask)
+
+    kernal = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (7, 7))
+    mask = cv2.morphologyEx(mask, cv2.MORPH_CLOSE, kernal)
+    mask = cv2.morphologyEx(mask, cv2.MORPH_OPEN, kernal)
+
+    # Show morphological transformation mask
+    #cv2.imshow('mask', mask)
+
+    # Put mask over top of the original image.
+    #result = cv2.bitwise_and(frame, frame, mask = mask)
+
+    # Show final output image
+    cv2.imshow('colorTest', result)
+
+    k = cv2.waitKey(5) & 0xFF
+    if k == 27:
+        break