- refactored into utils.py

- added ocv_template_matching.py for evaluationof template matcher
- fixed template matching from tracker bounding box

util.py

@@ -0,0 +1,53 @@
+import cv2
+import sys
+import numpy as np
+import imutils as im
+
+(major_ver, minor_ver, subminor_ver) = cv2.__version__.split('.')
+print(cv2.__version__)
+
+
+def to_rect(bbox):
+	top_left = (bbox[0], bbox[1])
+	bottom_right = (top_left[0] + bbox[2], top_left[1] + bbox[3])
+
+	return top_left, bottom_right
+
+
+def bbox_add_position(bbox, bbox_add):
+	res = (bbox[0] + bbox_add[0], bbox[1] + bbox_add[1], bbox[2], bbox[3])
+	return res
+
+
+def bbox_round(src):
+	x = int(round(src[0]))
+	y = int(round(src[1]))
+	w = int(round(src[2]))
+	h = int(round(src[3]))
+
+	return x, y, w, h
+
+
+def bbox_extend(bbox: cv2.typing.Rect, factor: float = 0):
+	we2 = bbox[2]*factor/2
+	he2 = bbox[3]*factor/2
+
+	return bbox_round((bbox[0]-we2, bbox[1]-he2, bbox[2]+2*we2, bbox[3]+2*he2))
+
+
+def image_crop(src, bbox: cv2.typing.Rect):
+	bb = bbox_round(bbox)
+	x = bb[0]
+	y = bb[1]
+	w = bb[2]
+	h = bb[3]
+
+	dst = src[y:y+h, x:x+w]
+	return dst
+
+
+def process_image_bbox(src):
+	# convert to gray
+	gray = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
+
+	return gray