vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,47 @@
+import numpy as np
+import cv2 as cv
+import sys
+
+if len(sys.argv) != 2:
+    print('Input video name is missing')
+    exit()
+
+print('Select 3 tracking targets')
+
+cv.namedWindow("tracking")
+camera = cv.VideoCapture(sys.argv[1])
+tracker = cv.legacy.MultiTracker_create()
+init_once = False
+
+ok, image=camera.read()
+if not ok:
+    print('Failed to read video')
+    exit()
+
+bbox1 = cv.selectROI('tracking', image)
+bbox2 = cv.selectROI('tracking', image)
+bbox3 = cv.selectROI('tracking', image)
+
+while camera.isOpened():
+    ok, image=camera.read()
+    if not ok:
+        print('no image to read')
+        break
+
+    if not init_once:
+        ok = tracker.add(cv.legacy.TrackerMIL_create(), image, bbox1)
+        ok = tracker.add(cv.legacy.TrackerMIL_create(), image, bbox2)
+        ok = tracker.add(cv.legacy.TrackerMIL_create(), image, bbox3)
+        init_once = True
+
+    ok, boxes = tracker.update(image)
+    print(ok, boxes)
+
+    for newbox in boxes:
+        p1 = (int(newbox[0]), int(newbox[1]))
+        p2 = (int(newbox[0] + newbox[2]), int(newbox[1] + newbox[3]))
+        cv.rectangle(image, p1, p2, (200,0,0))
+
+    cv.imshow('tracking', image)
+    k = cv.waitKey(1)
+    if k == 27 : break # esc pressed