Python CaptureManager.writeImage方法代码示例

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Cameo(object):
    def __init__(self):
        self._windowManager = WindowManager('Cameo', self.onKeypress)
        self._captureManager = CaptureManager(cv2.VideoCapture(0), self._windowManager, True)
        # self._curveFilter = filters.EmbossFilter()

    def run(self):
        self._windowManager.createWindow()
        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame

            filters.strokeEdge(frame, frame)
            # self._curveFilter.apply(frame, frame)

            self._captureManager.exitFrame()
            self._windowManager.processEvents()

    def onKeypress(self, keycode):
        if keycode == 32: #space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: #tab
            if not self._captureManager.isWritingVideo:
                self._captureManager.startWritingVideo('screencast.avi')
            else:
                self._captureManager.stopWritingVideo()
        if keycode ==27:#esc
            self._windowManager.destroyWindow()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Cameo(object):
    def __init__(self):
        self._windowManager = WindowManager('Cameo',
        self.onKeypress)
        self._captureManager = CaptureManager(
            cv2.VideoCapture(0), self._windowManager, True)
    def run(self):
        """Run the main loop."""
        self._windowManager.createWindow()

        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame
            # TODO: Filter the frame (Chapter 3).
            self._captureManager.exitFrame()
            self._windowManager.processEvents()

    def onKeypress (self, keycode):
        """Handle a keypress.
        space -> Take a screenshot.
        tab -> Start/stop recording a screencast.
        escape -> Quit.
        """
        if keycode == 32: # space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: # tab
            if not self._captureManager.isWritingVideo:
                 self._captureManager.startWritingVideo('screencast.avi')
            else:
                 self._captureManager.stopWritingVideo()
        elif keycode == 27: # escape
            self._windowManager.destroyWindow()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Cameo(object):
    
    def __init__(self):
        self._windowManager = WindowManager('Cameo',
                                             self.onKeypress)
        self._captureManager = CaptureManager(
            cv2.VideoCapture(0), self._windowManager, True)
        self._faceTracker = FaceTracker()
        self._shouldDrawDebugRects = False
        self._curveFilter = filters.BGRPortraCurveFilter()
    
    def run(self):
        """Run the main loop."""
        self._windowManager.createWindow()
        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame
            
            if frame is not None:
                
                self._faceTracker.update(frame)
                faces = self._faceTracker.faces
                rects.swapRects(frame, frame,
                                [face.faceRect for face in faces])
            
                filters.strokeEdges(frame, frame)
                self._curveFilter.apply(frame, frame)
                
                if self._shouldDrawDebugRects:
                    self._faceTracker.drawDebugRects(frame)
            
            self._captureManager.exitFrame()
            self._windowManager.processEvents()
    
    def onKeypress(self, keycode):
        """Handle a keypress.
        
        space  -> Take a screenshot.
        tab    -> Start/stop recording a screencast.
        x      -> Start/stop drawing debug rectangles around faces.
        escape -> Quit.
        
        """
        if keycode == 32: # space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: # tab
            if not self._captureManager.isWritingVideo:
                self._captureManager.startWritingVideo(
                    'screencast.avi')
            else:
                self._captureManager.stopWritingVideo()
        elif keycode == 120: # x
            self._shouldDrawDebugRects = \
                not self._shouldDrawDebugRects
        elif keycode == 27: # escape
            self._windowManager.destroyWindow()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]

#.........这里部分代码省略.........
                            bri = filters.getMean(frame,benMask)
                            #print "%4.0f, %3.0f" % (bri[0],self._captureManager.fps)
                            self._ts.addSamp(bri[0])
                            if (self._frameCount < 15):
                                self._frameCount = self._frameCount +1
                            else:
                                self._ts.plotRawData()
                                self._ts.findPeaks()
                                self._frameCount = 0
                        else:
                            print "Auto background subtract only works for depth images!"
                    else:
                        if (self._captureManager.channel == \
                            depth.CV_CAP_OPENNI_DEPTH_MAP):
                            cv2.absdiff(frame,self.background_depth_img,frame)
                            benMask = filters.getBenMask(frame,8)
                            bri = filters.getMean(frame,benMask)
                            print bri
                        elif (self._captureManager.channel == \
                              depth.CV_CAP_OPENNI_BGR_IMAGE):
                            cv2.absdiff(frame,self.background_video_img,frame)
                        else:
                            print "Error - Invalid Channel %d." % \
                                self._captureManager.channel
                    #ret,frame = cv2.threshold(frame,200,255,cv2.THRESH_TOZERO)
                #self._faceTracker.update(frame)
                #faces = self._faceTracker.faces

                #if self._shouldDrawDebugRects:
                #    self._faceTracker.drawDebugRects(frame)
                            
            self._captureManager.exitFrame()
            self._windowManager.processEvents()
    
    def onKeypress(self, keycode):
        """Handle a keypress.
        
        space  -> Take a screenshot.
        tab    -> Start/stop recording a screencast.
        x      -> Start/stop drawing debug rectangles around faces.
        a      -> toggle automatic accumulated background subtraction on or off.
        b      -> toggle simple background subtraction on or off.
        s      -> Save current frame as background image.
        d      -> Toggle between video and depth map view
        i      -> Display the background image that is being used for subtraction.
        escape -> Quit.
        
        """
        print "keycode=%d" % keycode
        if keycode == 32: # space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: # tab
            if not self._captureManager.isWritingVideo:
                print "Starting Video Recording..."
                self._captureManager.startWritingVideo(
                    'screencast.avi')
            else:
                print "Stopping video recording"
                self._captureManager.stopWritingVideo()
        elif keycode == 120: # x
            self._shouldDrawDebugRects = \
                not self._shouldDrawDebugRects
        elif (chr(keycode)=='a'):  # Autometic background subtraction
            if (self._autoBackgroundSubtract == True):
                print "Switching off auto background Subtraction"
                self.autoBackgroundImage = None
                self._autoBackgroundSubtract = False
            else:
                print "Switching on auto background subtraction"
                self._autoBackgroundSubtract = True
        elif (chr(keycode)=='b'):  # Simple background subtraction
            if (self._backgroundSubtract == True):
                print "Switching off background Subtraction"
                self._backgroundSubtract = False
            else:
                print "Switching on background subtraction"
                self.loadBackgroundImages()
                self._backgroundSubtract = True
        elif (chr(keycode)=='d'):
            if (self._captureManager.channel == depth.CV_CAP_OPENNI_BGR_IMAGE):
                print "switching to depth map..."
                self._captureManager.channel = depth.CV_CAP_OPENNI_DEPTH_MAP
            else:
                print "switching to video"
                self._captureManager.channel = depth.CV_CAP_OPENNI_BGR_IMAGE
        elif (chr(keycode)=='i'):
            self.showBackgroundImage()
        elif (chr(keycode)=='s'):
            print "Saving Background Image"
            if (self._captureManager.channel == depth.CV_CAP_OPENNI_DEPTH_MAP):
                self._captureManager.writeImage(BenFinder.BACKGROUND_DEPTH_FNAME)
            elif (self._captureManager.channel == depth.CV_CAP_OPENNI_BGR_IMAGE):
                self._captureManager.writeImage(BenFinder.BACKGROUND_VIDEO_FNAME)
            else:
                print "Invalid Channel %d - doing nothing!" \
                    % self._captureManager.channel
                

        elif keycode == 27: # escape
            self._windowManager.destroyWindow()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with OpenSeizureDetector.  If not, see <http://www.gnu.org/licenses/>.
##############################################################################
#
from managers import CaptureManager
import depth

device = depth.CV_CAP_FREENECT
#device = 1
print "device=%d" % device
captureManager = CaptureManager(
    device, None, True)
captureManager.channel = depth.CV_CAP_OPENNI_BGR_IMAGE

captureManager.enterFrame()

#frame = captureManager.frame

captureManager.channel = depth.CV_CAP_OPENNI_DEPTH_MAP
captureManager.writeImage("kintest1.png")
captureManager.exitFrame()
captureManager.enterFrame()
captureManager.channel = depth.CV_CAP_OPENNI_BGR_IMAGE
captureManager.writeImage("kintest2.png")
captureManager.exitFrame()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Facedetect(object):
    
    def __init__(self):
        self._windowManager = WindowManager('Facedetect', self.onKeypress)
        self._captureManager = CaptureManager(cv2.VideoCapture(camera_nr), self._windowManager, True)
        self._faceTracker = FaceTracker()
        self._shouldDrawDebugRects = True
        self._curveFilter = filters.BGRPortraCurveFilter()

    def run(self):
        """Run the main loop."""
        self._windowManager.createWindow()
        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame
            
            if frame is not None:
                
                t = cv2.getTickCount()
                self._faceTracker.update(frame)
                faces = self._faceTracker.faces
                t = cv2.getTickCount() - t
                print("time taken for detection = %gms" % (t/(cv2.getTickFrequency())*1000.))
                
                # uncomment this line for swapping faces
                #rects.swapRects(frame, frame, [face.faceRect for face in faces])
                
                #filters.strokeEdges(frame, frame)
                #self._curveFilter.apply(frame, frame)
                
                if self._shouldDrawDebugRects:
                    self._faceTracker.drawDebugRects(frame)
                    self._faceTracker.drawLinesFromCenter(frame)
                
            self._captureManager.exitFrame()
            self._windowManager.processEvents()
    
    def onKeypress(self, keycode):
        """Handle a keypress.
        
        space  -> Take a screenshot.
        tab    -> Start/stop recording a screencast.
        x      -> Start/stop drawing debug rectangles around faces.
        escape -> Quit.
        
        """
        if keycode == 32: # space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: # tab
            if not self._captureManager.isWritingVideo:
                self._captureManager.startWritingVideo(
                    'screencast.avi')
            else:
                self._captureManager.stopWritingVideo()
        elif keycode == 120: # x
            self._shouldDrawDebugRects = \
                not self._shouldDrawDebugRects
        elif keycode == 27: # escape
            self._windowManager.destroyWindow()
            # When everything is done, release the capture
            self._captureManager.release()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Browser(object):
    
    def __init__(self,video_source):  
        self._windowManager = WindowManager('Browser', self.onKeypress)
        self._captureManager = CaptureManager(video_source, self._windowManager, True)
        self._faceTracker = FaceTracker()
        self._shouldDrawDebugRects = False
        self._curveFilter = filters.BGRPortraCurveFilter()
    
    def run(self):
        """Run the main loop."""
        self._windowManager.createWindow()
        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame
            
            if frame is not None:
                print "got frame" 
                self._faceTracker.update(frame)
                faces = self._faceTracker.faces
                rects.swapRects(frame, frame,
                                [face.faceRect for face in faces])
            
                #filters.strokeEdges(frame, frame)
                #self._curveFilter.apply(frame, frame)
                
                if self._shouldDrawDebugRects:
                    self._faceTracker.drawDebugRects(frame)
            else:
                print "got None frame"
                print "press any key to exit."
                cv2.waitKey(0)
                break
            self._captureManager.exitFrame()
            waitkey_time=1
            if self._captureManager._video_source!=0:   
                waitkey_time=500
            self._windowManager.processEvents(waitkey_time)
    
    def onKeypress(self, keycode):
        """Handle a keypress.
        
        space  -> Take a screenshot.
        tab    -> Start/stop recording a screencast.
        x      -> Start/stop drawing debug rectangles around faces.
        escape -> Quit.
        
        """
        if keycode == 32: # space
            self._captureManager.writeImage('screenshot.png')
        elif keycode == 9: # tab
            if not self._captureManager.isWritingVideo:
                self._captureManager.startWritingVideo(
                    '/Users/xcbfreedom/Documents/screencast.avi')
            else:
                self._captureManager.stopWritingVideo()
        elif keycode == 120: # x
            self._shouldDrawDebugRects = \
                not self._shouldDrawDebugRects
        elif keycode == 27: # escape
            self._windowManager.destroyWindow()

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]

#.........这里部分代码省略.........
                                # Write timeseries to file
                                self._ts.writeToFile("%s/%s" % \
                                    ( self.cfg.getConfigStr('output_directory'),
                                      self.cfg.getConfigStr('alarm_ts_fname')
                                  ),bgImg=self._background_depth_img)
                        

                    # Collect the analysis results together and send them
                    # to the web server.
                    resultsDict = {}
                    resultsDict['fps'] = "%3.0f" % self.fps
                    resultsDict['bri'] = "%4.0f" % self._ts.mean
                    resultsDict['area'] = "%6.0f" % maskArea
                    resultsDict['nPeaks'] = "%d" % self._nPeaks
                    resultsDict['ts_time'] = self._ts_time
                    resultsDict['rate'] = "%d" % self._rate
                    resultsDict['time_t'] = time.ctime()
                    resultsDict['status'] = self._status
                    self._ws.setAnalysisResults(resultsDict)

                    # Write the results to file as a json string
                    utils.writeJSON(resultsDict,"%s/%s" % \
                                    (self._tmpdir,
                                     self.cfg.getConfigStr("data_fname")))
                    utils.writeLog(resultsDict,"%s/%s" % \
                                    (self._tmpdir,
                                     "benFinder_alarms.log"))
                    # Plot the graph of brightness, and save the images
                    # to disk.
                    self._ts.plotRawData(
                        file=True,
                        fname="%s/%s" % \
                        (self._tmpdir,self.cfg.getConfigStr("chart_fname")))
                        
                    cv2.imwrite("%s/%s" % (self._tmpdir,
                                           self.cfg.getConfigStr(
                                               "raw_image_fname")),
                                rawFrame)
                    cv2.imwrite("%s/%s" % (self._tmpdir,self.cfg.getConfigStr(
                        "masked_image_fname")),
                        frame)
                    self._frameCount = 0
            else:
                print "Null frame received - assuming end of file and exiting"
                break
            self._captureManager.exitFrame()
                

    @property
    def fps(self):
        return self._captureManager.fps

    @property
    def nPeaks(self):
        return self._nPeaks

    @property
    def ts_time(self):
        return self._ts_time

    @property
    def rate(self):
        return self._rate

    @property
    def rawImgFname(self):
        return self.cfg.getConfigStr("raw_image_fname")

    @property
    def maskedImgFname(self):
        return self.cfg.getConfigStr("masked_image_fname")

    @property
    def chartImgFname(self):
        return self.cfg.getConfigStr("chart_fname")

    def saveBgImg(self):
        """ Write a new background image to the appropriate file location."""
        if (self._captureManager.hasEnteredFrame):
            self._captureManager.exitFrame()
        self._captureManager.enterFrame()
        print "Writing image to %s." % self.cfg.getConfigStr("background_depth")
        self._captureManager.writeImage("%s/%s" % 
                                        (self._wkdir,
                                         self.cfg.getConfigStr("background_depth")
                                     ))
        print self._captureManager.frame
        print self._captureManager.frame.dtype
        self._captureManager.exitFrame()
        self.loadBgImg()

    def loadBgImg(self):
        print "Loading background image %s/%s." % \
            (self._wkdir,self.cfg.getConfigStr("background_depth"))
        self._background_depth_img = cv2.imread("%s/%s" % \
                    (self._wkdir,self.cfg.getConfigStr("background_depth")),
                                                cv2.CV_LOAD_IMAGE_GRAYSCALE)
        #                                        cv2.CV_LOAD_IMAGE_UNCHANGED)
        print self._background_depth_img
        print self._background_depth_img.dtype

# 需要导入模块: from managers import CaptureManager [as 别名]
# 或者: from managers.CaptureManager import writeImage [as 别名]
class Cameo(object):

    def __init__(self):
        self._windowManager = WindowManager('Cameo', self.onKeypress)
        self._captureManager = CaptureManager(cv2.VideoCapture(0),
                    self._windowManager, True)
        self._curveFilter = filters.BGRProviaCurveFilter()
        self._faceTracker = FaceTracker()
        self._shouldDrawDebugRects = False

    def run(self):
        """ Run the main loop """

        self._windowManager.createWindow()
        print("Window '{}' Created".format(self._windowManager.windowName))
        print("\n{}\n{}\n{}\n{}".format("Controls:",
                "space   --> Take a screenshot",
                "tab     --> Start/stop recording a screencast",
                "escape  --> Quit"))

        while self._windowManager.isWindowCreated:
            self._captureManager.enterFrame()
            frame = self._captureManager.frame

            self._faceTracker.update(frame)
            faces = self._faceTracker.faces
            rects.swapRects(frame, frame, [face.faceRect for face in faces])

            # Add filtering to the frame
            filters.strokeEdges(frame,frame)
            self._curveFilter.apply(frame,frame)

            if self._shouldDrawDebugRects:
                self._faceTracker.drawDebugRects(frame)

            self._captureManager.exitFrame()
            self._windowManager.processEvents()

    def stop(self):
        print("[CAMEO] closing all processes")
        self._captureManager._capture.release()
        self._windowManager.destroyWindow()


    def onKeypress(self, keycode):

        """ Handle a keypress

        space   --> Take a screenshot
        tab     --> Start/stop recording a screencast
        x       --> Toggle drawing debug rectangles around faces
        escape  --> Quit
        """

        if keycode == 32: # Space
            self._captureManager.writeImage('screenshot.png');
            print("Writing image to file....")
        elif keycode == 9: # Tab
            if not self._captureManager.isWritingVideo:
                self._captureManager.startWritingVideo('screencast.avi')
                print("Writing video to file...")
            else:
                self._captureManager.stopWritingVideo()
                print("Stopped writing video")
        elif keycode == 120: # x
            self._shouldDrawDebugRects = not self._shouldDrawDebugRects
            print("Toggled drawing rectangles")
        elif keycode == 27: # escape
            print("Closing Window...")
            self._windowManager.destroyWindow()