Time:09-22
CodePudding user response:
is working, but they still won't,,,
# - encoding=GBK - * - * - # TODO # in the web site http://answers.opencv.org/question/86188/kcf-tracker-in-python/# search MultiTracker # multiple target tracking # multiple target tracking using the MultiTracker, # if MultiTracker myTracker (KCF) # note two points, add a target with its member function myTracker. Add (Mat SRC, Rect2d ROI), # for tracking results using myTracker. Update (Mat SRC, vector the targets), tracking the results of the serial number is the serial number of the vector, The import numpy as np The import cv2 The import sys "' If len (sys. Argv)!=2: Print (' Input video name is missing ') The exit () "' A=2 Print (' Select 3 tracking the targets') Cv2. NamedWindow (" tracking ") VFN="are. Mp4" Video=cv2. VideoCapture (VFN) The tracker=cv2. MultiTracker_create () Init_once=False Ok, frame=video. The read () If not ok: Print (' Failed to read video ') The exit () Frame=cv2. Resize (frame, (0, 0), fx=1/A, fy=1/A) Bbox1=cv2. SelectROI (' tracking 'frame) Bbox2=cv2. SelectROI (' tracking 'frame) Bbox3=cv2. SelectROI (' tracking 'frame) While video. IsOpened () : Ok, frame=video. The read () If not ok: Print (' no frame to read ') Break Frame=cv2. Resize (frame, (0, 0), fx=1/A, fy=1/A) If not init_once: Ok=tracker. The add (cv2. TrackerKCF_create (), frame, bbox1) Ok=tracker. The add (cv2. TrackerKCF_create (), frame, bbox2) Ok=tracker. The add (cv2. TrackerKCF_create (), frame, bbox3) Init_once=True Ok, boxes=tracker. Update (frame) Print (ok, boxes) If ok: For newbox in boxes: P1=(int (newbox [0]), int (newbox [1])) P2=(int (newbox newbox [0] + [2]), int (newbox newbox [1] + [3])) Cv2. A rectangle (frame, p1, p2, (0, 255), 2) Cv2. Imshow (' tracking 'frame) K=cv2. WaitKey (1) The else: For newbox in boxes: P1=(int (newbox [0]), int (newbox [1])) P2=(int (newbox newbox [0] + [2]), int (newbox newbox [1] + [3])) Cv2. A rectangle (frame, p1, p2,,0,255 (0), (2) Cv2. Imshow (' tracking 'frame) K=cv2. WaitKey (0) If k==27: break # esc pressed Cv2. DestroyAllWindows ()
Page link:https//www.codepudding.com/Softwareengineering/20850.html