Python cv2.cv.NamedWindow() Examples

The following are 7 code examples of cv2.cv.NamedWindow(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module cv2.cv , or try the search function .
Example #1
Source File: cv20squares.py    From PyCV-time with MIT License 6 votes vote down vote up 
def main():
    """Open test color images, create display window, start the search"""
    cv.NamedWindow(WNDNAME, 1)
    for name in [ "../c/pic%d.png" % i for i in [1, 2, 3, 4, 5, 6] ]:
        img0 = cv.LoadImage(name, 1)
        try:
            img0
        except ValueError:
            print "Couldn't load %s\n" % name
            continue

        # slider deleted from C version, same here and use fixed Canny param=50
        img = cv.CloneImage(img0)

        cv.ShowImage(WNDNAME, img)

        # force the image processing
        draw_squares( img, find_squares4( img ) )

        # wait for key.
        if cv.WaitKey(-1) % 0x100 == 27:
            break
Example #2
Source File: handlers.py    From tcg-ocr-scanner with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self):
		cv.StartWindowThread()
		cv.NamedWindow('Capture Feedback')
Example #3
Source File: qrxfer.py    From qrxfer with MIT License 5 votes vote down vote up 
def __init__(self):
        cv.NamedWindow(self.window_name, cv.CV_WINDOW_AUTOSIZE)

        # self.capture = cv.CaptureFromCAM(camera_index) #for some reason, this doesn't work
        # self.capture = cv.CreateCameraCapture(-1)
        self.capture = cv.CaptureFromCAM(0)
Example #4
Source File: motion-detection.py    From rpi-opencv with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self,threshold=25, doRecord=True, showWindows=True):
        self.writer = None
        self.font = None
        self.doRecord=doRecord #Either or not record the moving object
        self.show = showWindows #Either or not show the 2 windows
        self.frame = None
    
        #self.capture=cv.CaptureFromCAM(0)
        self.capture=cv.CaptureFromFile('crash-480.mp4')
        self.frame = cv.QueryFrame(self.capture) #Take a frame to init recorder
        if doRecord:
            self.initRecorder()
        
        self.gray_frame = cv.CreateImage(cv.GetSize(self.frame), cv.IPL_DEPTH_8U, 1)
        self.average_frame = cv.CreateImage(cv.GetSize(self.frame), cv.IPL_DEPTH_32F, 3)
        self.absdiff_frame = None
        self.previous_frame = None
        
        self.surface = self.frame.width * self.frame.height
        self.currentsurface = 0
        self.currentcontours = None
        self.threshold = threshold
        self.isRecording = False
        self.trigger_time = 0 #Hold timestamp of the last detection
        
        if showWindows:
            cv.NamedWindow("Image")
            cv.CreateTrackbar("Detection treshold: ", "Image", self.threshold, 100, self.onChange)
Example #5
Source File: pyramid_segmentation.py    From PyCV-time with MIT License 5 votes vote down vote up 
def __init__(self, img0):
        self.thresh1 = 255
        self.thresh2 = 30
        self.level =4
        self.storage = cv.CreateMemStorage()
        cv.NamedWindow("Source", 0)
        cv.ShowImage("Source", img0)
        cv.NamedWindow("Segmentation", 0)
        cv.CreateTrackbar("Thresh1", "Segmentation", self.thresh1, 255, self.set_thresh1)
        cv.CreateTrackbar("Thresh2", "Segmentation",  self.thresh2, 255, self.set_thresh2)
        self.image0 = cv.CloneImage(img0)
        self.image1 = cv.CloneImage(img0)
        cv.ShowImage("Segmentation", self.image1)
Example #6
Source File: demhist.py    From PyCV-time with MIT License 5 votes vote down vote up 
def __init__(self, src_image):
        self.src_image = src_image
        self.dst_image = cv.CloneMat(src_image)
        self.hist_image = cv.CreateImage((320, 200), 8, 1)
        self.hist = cv.CreateHist([hist_size], cv.CV_HIST_ARRAY, ranges, 1)

        self.brightness = 0
        self.contrast = 0

        cv.NamedWindow("image", 0)
        cv.NamedWindow("histogram", 0)
        cv.CreateTrackbar("brightness", "image", 100, 200, self.update_brightness)
        cv.CreateTrackbar("contrast", "image", 100, 200, self.update_contrast)

        self.update_brightcont()
Example #7
Source File: camshift.py    From PyCV-time with MIT License 5 votes vote down vote up 
def __init__(self):
        self.capture = cv.CaptureFromCAM(0)
        cv.NamedWindow( "CamShiftDemo", 1 )
        cv.NamedWindow( "Histogram", 1 )
        cv.SetMouseCallback( "CamShiftDemo", self.on_mouse)

        self.drag_start = None      # Set to (x,y) when mouse starts drag
        self.track_window = None    # Set to rect when the mouse drag finishes

        print( "Keys:\n"
            "    ESC - quit the program\n"
            "    b - switch to/from backprojection view\n"
            "To initialize tracking, drag across the object with the mouse\n" )