- fixed accessing variable outside function

- refactored
This commit is contained in:
2024-07-09 08:24:53 +02:00
parent f12da1c456
commit 1a879c2820
+68 -63
View File
@@ -1,6 +1,7 @@
import cv2
import numpy as np
import argparse
import sys
from util import image_crop, to_rect, bbox_add_position, bbox_center, bbox_round
@@ -143,8 +144,8 @@ class CornerTracker:
def init_reference_frame(self, _image: np.array):
# Draw mask
_mask = CornerTracker.mask_init(image)
CornerTracker.mask_draw(image, _mask)
_mask = CornerTracker.mask_init(_image)
CornerTracker.mask_draw(_image, _mask)
# Select search area
print(f"Select tracking object")
@@ -299,6 +300,7 @@ if __name__ == '__main__':
parser.add_argument("--scale", default=1.0)
parser.add_argument("--track", action="store_true")
parser.add_argument("--path", action="store_true")
parser.add_argument("--loop", action="store_true")
args = parser.parse_args()
video = cv2.VideoCapture(args.filename)
@@ -309,72 +311,75 @@ if __name__ == '__main__':
colors = [(255, 0, 0), (0, 255, 0), (0, 0, 255), (255, 0, 255), (0, 255, 255), (255, 255, 255)]
tracker_count = 0
tracker_list = []
if video.isOpened():
# Read first frame.
ok, image = video.read()
if not video.isOpened():
print('Cannot open video file')
sys.exit(1)
# Read first frame.
ok, image = video.read()
if not ok:
print('Cannot read video file')
sys.exit(1)
for tracker_count in range(0, 6):
select_window = image.copy()
print(f"Draw tracker #{tracker_count}")
ct = CornerTracker(ct_params, colors[tracker_count], name=f"Tracker-{tracker_count}")
ok = ct.init_reference_frame(select_window)
if ok:
for tracker_count in range(0, 6):
select_window = image.copy()
print(f"Draw tracker #{tracker_count}")
ct = CornerTracker(ct_params, colors[tracker_count], name=f"Tracker-{tracker_count}")
ok = ct.init_reference_frame(select_window)
if ok:
tracker_list.append(ct)
print(f"Number of active tracker: {len(tracker_list)}")
else:
break
tracker_list.append(ct)
print(f"Number of active tracker: {len(tracker_list)}")
else:
print('Cannot read video file')
break
# rewind to frame 0
video.set(cv2.CAP_PROP_POS_FRAMES, 0)
# rewind to frame 0
video.set(cv2.CAP_PROP_POS_FRAMES, 0)
key_wait = -1
dist_min = [(0, 0)]*len(tracker_list)
dist_max = [(0, 0)]*len(tracker_list)
while True:
# Start timer
timer = cv2.getTickCount()
# Read a new frame
ok, image = video.read()
if ok:
image_anno = image.copy()
i = 0
cv2.rectangle(image_anno, (25, 0), (int(image_anno.shape[1]), 25*(1+len(tracker_list))), (0, 0, 0), -1)
for ct in tracker_list:
mean_distance = ct.process(image, image_anno)
if mean_distance is not None:
scale = ct_params.scale
scaled_distance = (scale*mean_distance[0], scale*mean_distance[1])
dist_min[i] = (min(scaled_distance[0], dist_min[i][0]), min(scaled_distance[1], dist_min[i][1]))
dist_max[i] = (max(scaled_distance[0], dist_max[i][0]), max(scaled_distance[1], dist_max[i][1]))
cv2.putText(image_anno, f"Distance [{i}] : ({scaled_distance[0]:+05.2f}, "
f"{scaled_distance[1]:+05.2f}), Min: ({dist_min[i][0]:+05.2f}, {dist_min[i][1]:+05.2f}),"
f" Max: ({dist_max[i][0]:+05.2f}, {dist_max[i][1]:+05.2f})",
(25, 25 * (i + 1)), cv2.FONT_HERSHEY_SIMPLEX, 0.5, ct.color, 1)
i += 1
# Calculate Frames per second (FPS)
fps = cv2.getTickFrequency() / (cv2.getTickCount() - timer)
# Display FPS on frame
cv2.putText(image_anno, "FPS : " + str(int(fps)), (20, image_anno.shape[0] - 20),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (50, 170, 50), 1)
cv2.imshow(f"Image Anno", image_anno)
else:
key_wait = -1
dist_min = [(0, 0)]*len(tracker_list)
dist_max = [(0, 0)]*len(tracker_list)
while True:
# Start timer
timer = cv2.getTickCount()
# Read a new frame
ok, image = video.read()
if not ok:
if args.loop:
video.set(cv2.CAP_PROP_POS_FRAMES, 0)
continue
# Exit if ESC pressed
k = cv2.waitKey(key_wait) & 0xff
if k == 27:
else:
break
if k == ord(' '):
if key_wait == -1:
key_wait = 1
else:
key_wait = -1
else:
print('Cannot open video file')
image_anno = image.copy()
i = 0
cv2.rectangle(image_anno, (25, 0), (int(image_anno.shape[1]), 25*(1+len(tracker_list))), (0, 0, 0), -1)
for ct in tracker_list:
mean_distance = ct.process(image, image_anno)
if mean_distance is not None:
scale = ct_params.scale
scaled_distance = (scale*mean_distance[0], scale*mean_distance[1])
dist_min[i] = (min(scaled_distance[0], dist_min[i][0]), min(scaled_distance[1], dist_min[i][1]))
dist_max[i] = (max(scaled_distance[0], dist_max[i][0]), max(scaled_distance[1], dist_max[i][1]))
cv2.putText(image_anno, f"Distance [{i}] : ({scaled_distance[0]:+05.2f}, "
f"{scaled_distance[1]:+05.2f}), Min: ({dist_min[i][0]:+05.2f}, {dist_min[i][1]:+05.2f}),"
f" Max: ({dist_max[i][0]:+05.2f}, {dist_max[i][1]:+05.2f})",
(25, 25 * (i + 1)), cv2.FONT_HERSHEY_SIMPLEX, 0.5, ct.color, 1)
i += 1
# Calculate Frames per second (FPS)
fps = cv2.getTickFrequency() / (cv2.getTickCount() - timer)
# Display FPS on frame
cv2.putText(image_anno, "FPS : " + str(int(fps)), (20, image_anno.shape[0] - 20),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (50, 170, 50), 1)
cv2.imshow(f"Image Anno", image_anno)
# Exit if ESC pressed
k = cv2.waitKey(key_wait) & 0xff
if k == 27:
break
if k == ord(' '):
if key_wait == -1:
key_wait = 1
else:
key_wait = -1