update,

vinniesniper-54816/task1/_lab/001-test-integration/compareImgs_hist.py

@@ -0,0 +1,26 @@
+import cv2 as cv
+
+
+def compareImgs_hist_del(img1, img2):
+    width, height = img1.shape[1], img1.shape[0]
+    img2 = cv.resize(img2, (width, height))
+    num_bins = 10
+    hist1 = [0] * num_bins
+    hist2 = [0] * num_bins
+    bin_width = 255.0 / num_bins + 1e-4
+    # compute histogram from scratch
+
+    # for w in range(width):
+    #     for h in range(height):
+    #         hist1[int(img1[h, w] / bin_width)] += 1
+    #         hist2[int(img2[h, w] / bin_width)] += 1
+
+    # compute histogram by using opencv function
+    # https://docs.opencv.org/4.x/d6/dc7/group__imgproc__hist.html#ga4b2b5fd75503ff9e6844cc4dcdaed35d
+
+    hist1 = cv.calcHist([img1], [0], None, [num_bins], [0, 255])
+    hist2 = cv.calcHist([img2], [0], None, [num_bins], [0, 255])
+    sum = 0
+    for i in range(num_bins):
+        sum += abs(hist1[i] - hist2[i])
+    return sum / float(width * height)