remove scipy dependency, upscale preview image

main.py

@@ -1,5 +1,5 @@
 # import the necessary packages
-from scipy.spatial import distance as dist
+#from scipy.spatial import distance as dist
 from imutils import perspective
 from imutils import contours
 import numpy as np
@@ -26,6 +26,11 @@ def sizeVexScrew(iteml):
 	iteml /= 8
 	return iteml
 	
+def larger(a, b):
+	if a >= b:
+		return a
+	else: 
+		return b
 
 # construct the argument parse and parse the arguments
 ap = argparse.ArgumentParser()
@@ -45,6 +50,7 @@ if type(args["number"]) == type(selected):
 
 # load the image, convert it to grayscale, and blur it slightly
 image = cv2.imread(args["image"])
+image = cv2.resize(image, (image.shape[1]*2, image.shape[0]*2), interpolation = cv2.INTER_AREA)
 if args2.show:
 	cv2.imshow("Image", image)
 	cv2.waitKey(0)
@@ -142,8 +148,8 @@ for c in cnts:
 	cv2.line(orig, (int(tlblX), int(tlblY)), (int(trbrX), int(trbrY)),
 		(255, 0, 255), 2)
     	# compute the Euclidean distance between the midpoints
-	dA = dist.euclidean((tltrX, tltrY), (blbrX, blbrY))
-	dB = dist.euclidean((tlblX, tlblY), (trbrX, trbrY))
+	dA = np.linalg.norm(np.array((tltrX, tltrY, 0)) - np.array((blbrX, blbrY, 0)))
+	dB = np.linalg.norm(np.array((tlblX, tlblY, 0)) - np.array((trbrX, trbrY, 0)))
 
 	# if the pixels per metric has not been initialized, then
 	# compute it as the ratio of pixels to supplied metric
@@ -154,23 +160,18 @@ for c in cnts:
 	dimA = dA / pixelsPerMetric
 	dimB = dB / pixelsPerMetric
 	
-	if num == selected:
-		itemw = dimA
-		itemh = dimB
-		if itemw >= itemh:
-			iteml = itemw
-		else:
-			iteml = itemh
+	if num == num:
+		iteml = larger(dimA, dimB)
 		print("Screw Length (RAW): " + str(iteml))
 		iteml = sizeVexScrew(iteml)
 		print("Rounded Length: " + str(iteml))
 	# draw the object sizes on the image
 		if args2.show:
-			cv2.putText(orig, "{:.5f}in".format(dimA),
-				(int(tltrX - 15), int(tltrY - 10)), cv2.FONT_HERSHEY_SIMPLEX,
+			cv2.putText(orig, "{:.5f}in".format(larger(dimA, dimB)),
+				(int(trbrX), int(trbrY)), cv2.FONT_HERSHEY_SIMPLEX,
 				0.65, (255, 255, 255), 2)
-			cv2.putText(orig, "{:.5f}in".format(dimB),
-				(int(trbrX + 10), int(trbrY)), cv2.FONT_HERSHEY_SIMPLEX,
+			cv2.putText(orig, "{:.3f}in".format(iteml), # print screw length
+				(int(trbrX), int(trbrY + 20)), cv2.FONT_HERSHEY_SIMPLEX,
 				0.65, (255, 255, 255), 2)
  
 	# show the output image