Ejemplo n.º 1
0
#
# Author: Yijun Zhang
#
import cv2
import math
import numpy as np
import skvideo.io as sv

cap = sv.VideoCapture('czy1.mp4')
out = sv.VideoWriter('czy_other.mp4', 'H264', 30.0, (640, 480), True)
print out.open()
ret, frame2 = cap.read()
current_frame = frame2

## extract background
fgbg = cv2.createBackgroundSubtractorKNN()

while True:
    ret, frame = cap.read()
    # The rgb structure is different in cv and scikit-video, thus reconstructing
    b, g, r = cv2.split(frame)
    ori_frame = frame
    ori_frame = cv2.merge([r, g, b])
    cv2.imshow('frame', ori_frame)  ## the frame we get from the camera
    # Edge Enhancement
    b, g, r = cv2.split(frame)
    b_gray = cv2.GaussianBlur(b, (5, 5), 0)
    b_edged = cv2.Canny(b_gray, 35, 125)

    g_gray = cv2.GaussianBlur(g, (5, 5), 0)
    g_edged = cv2.Canny(g_gray, 35, 125)
Ejemplo n.º 2
0
#
# Author:Yijun Zhang
#        Zeyu Chen

# This is the batch version of preprocessing.
# data_path is the directory of target videos
import cv2
import os
import numpy as np
import skvideo.io as sv

data_path = './video/'
index = 1
for fn in os.listdir(data_path):
    cap = sv.VideoCapture(data_path + fn)
    print cap.isOpened()
    print data_path + fn
    outname = 'sub_bg' + str(index) + '.mp4'
    out = sv.VideoWriter(outname, 'H264', 30.0, (640, 480), True)
    out.open()
    ret, frame2 = cap.read()
    current_frame = frame2

    ## extract background
    fgbg = cv2.createBackgroundSubtractorKNN()

    while True:
        ret, frame = cap.read()
        try:
            frame.any()
        except AttributeError:
Ejemplo n.º 3
0
"""opencv test"""

import numpy as np;
import cv2
import skvideo.io as skv;
import matplotlib.pyplot as plt;

cap = skv.VideoCapture("/home/arlmonster/workspace/telaugesa/data/000046280.avi")
 
  
while(cap.isOpened()):
    ret, frame = cap.read()
     
    if frame is None:
        break;
     
    frame=np.asarray(frame);
     
    plt.figure(1);
    plt.imshow(frame);
    plt.show();
     
    print "hello"