Exemplo n.º 1
0
def detect(image):
    image_size = cv.GetSize(image)

    # create grayscale version
    grayscale = cv.CreateImage(image_size, 8, 1)
    cv.CvtColor(image, grayscale, cv.BGR2GRAY)

    # create storage
    storage = cv.CreateMemStorage(0)
    cv.ClearMemStorage(storage)

    # equalize histogram
    cv.EqualizeHist(grayscale, grayscale)

    # detect objects
    cascade = cv.LoadHaarClassifierCascade('haarcascade_frontalface_alt.xml',
                                           cv.Size(1, 1))
    faces = cv.HaarDetectObjects(grayscale, cascade, storage, 1.2, 2,
                                 cv.HAAR_DO_CANNY_PRUNING, cv.Size(50, 50))

    if faces:
        print 'face detected!'
        for i in faces:
            cv.Rectangle(image, cv.Point(int(i.x), int(i.y)),
                         cv.Point(int(i.x + i.width), int(i.y + i.height)),
                         cv.RGB(0, 255, 0), 3, 8, 0)
Exemplo n.º 2
0
    def detect(self, image):
        size = cv.GetSize(image)

        # create grayscale version
        grayscale = cv.CreateImage(size, 8, 1)
        cv.CvtColor(image, grayscale, cv.BGR2GRAY)

        # create and clear storage
        storage = cv.CreateMemStorage(0)
        cv.ClearMemStorage(storage)

        # equalize histogram
        cv.EqualizeHist(grayscale, grayscale)

        # detect faces
        faces = cv.HaarDetectObjects(grayscale, self.face_cascade, storage,
                                     1.2, 2, cv.HAAR_DO_CANNY_PRUNING,
                                     self.face_size)

        if faces:
            # faces detected
            for i in faces:
                cv.Rectangle(image, cv.Point(int(i.x), int(i.y)),
                             cv.Point(int(i.x + i.width), int(i.y + i.height)),
                             cv.RGB(0, 255, 0), 3, 8, 0)

            detected = True
            is_face = True
        else:
            # detect body
            bodies = cv.HaarDetectObjects(grayscale, self.body_cascade,
                                          storage, 1.1, 3, 0, self.body_size)

            if bodies:
                # body detected
                for i in bodies:
                    cv.Rectangle(
                        image, cv.Point(int(i.x), int(i.y)),
                        cv.Point(int(i.x + i.width), int(i.y + i.height)),
                        cv.RGB(0, 255, 0), 3, 8, 0)

                detected = True
                is_face = False
            else:
                detected = False
                is_face = False

        # release resources we don't need any more
        cv.ReleaseImage(grayscale)
        cv.ReleaseMemStorage(storage)

        return (detected, is_face)
Exemplo n.º 3
0
class ARSystem:
    size = (320, 240)
    if 'darwin' in os.uname()[0].lower():
        size = (640, 480)
    cvsize = cv.Size(size[0], size[1])
    image = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 3)
    grayImage = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1)
    maskImage = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1)
    backprojectImage = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1)
    modifiedImage = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 3)
    hsvImage = cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 3)
    histDims = 32
    histRanges = [[50, 110]]
    histogram = cv.CreateHist(1, [histDims], CVtypes.CV_HIST_ARRAY, histRanges,
                              1)
    hsvPlanes = [
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
    ]
    rgbPlanes = [
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
        cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1),
    ]
    work1 = []
    work3 = []
    cvStorage = []
    for i in range(10):
        work1.append(cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 1))
        work3.append(cv.CreateImage(cvsize, CVtypes.IPL_DEPTH_8U, 3))
        cvStorage.append(cv.CreateMemStorage(0))

    def __init__(self):
        self.dataFiles = df = [
            'data/1_2_3_4_5_6.cfg',
            'data/7_8_9_10_11_12.cfg',
            'data/13_14_15_16_17_18.cfg',
            'data/19_20_21_22_23_24.cfg',
        ]
        self.multiDisplayDict = mdd = {
            df[0]: self.drawBottomLeft,
            df[1]: self.drawTopLeft,
            df[2]: self.drawBottomRight,
            df[3]: self.drawTopRight,
        }
        _AR.Init(
            width=self.size[0],
            height=self.size[1],
            singleDisplayDict={0: draw2},
            multiDisplayDict=mdd,
            initFunc=self.Init,
            preRender=self.preRender,
            render=self.render,
            preDraw=self.preDraw,
            verbosity=0,
        )

    def frobNorm(self, mat1, mat2):
        ds = 0
        for i in range(16):
            d = mat1[i] - mat2[i]
            ds += d * d
        return numpy.sqrt(ds)

    frameNumber = 0

    def preDraw(self):
        frameNumber += 1
        self.mvMats = mvMats = [
            _AR.GetMultiMV('data/1_2_3_4_5_6.cfg'),
            _AR.GetMultiMV('data/7_8_9_10_11_12.cfg'),
            _AR.GetMultiMV('data/13_14_15_16_17_18.cfg'),
            _AR.GetMultiMV('data/19_20_21_22_23_24.cfg'),
        ]
        norms = []
        found = False
        for last, current in mvMats:
            if frameNumber > 10:
                pass

            if current != 0:
                pass

            if last != 0:
                norms.append(self.frobNorm(current, last))
            else:
                norms.append(None)
        #print norms

    markerLeftX = 30

    def drawBottomLeft(self):
        glColor(0, 1, 0)

        sphereSize = 10
        glPushMatrix()
        glTranslate(0, 0, sphereSize)
        glutSolidSphere(10, 10, sphereSize)
        glPopMatrix()

        cubeSize = 6
        glPushMatrix()
        glTranslate(20, 0, cubeSize)
        glutSolidCube(cubeSize)
        glPopMatrix()

        glColor(1, 0, 0)
        glBegin(GL_QUADS)
        glVertex3f(-self.markerLeftX, -self.markerLeftX, 0)
        glVertex3f(-self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, -self.markerLeftX, 0)
        glEnd()

    def drawBottomRight(self):
        glColor(0, 1, 0)
        glBegin(GL_QUADS)
        glVertex3f(-self.markerLeftX, -self.markerLeftX, 0)
        glVertex3f(-self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, -self.markerLeftX, 0)
        glEnd()

    def drawTopLeft(self):
        glColor(1, 0, 1)
        glBegin(GL_QUADS)
        glVertex3f(-self.markerLeftX, -self.markerLeftX, 0)
        glVertex3f(-self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, -self.markerLeftX, 0)
        glEnd()

    def drawTopRight(self):
        glColor(1, 1, 0)
        glBegin(GL_QUADS)
        glVertex3f(-self.markerLeftX, -self.markerLeftX, 0)
        glVertex3f(-self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, self.markerLeftX, 0)
        glVertex3f(self.markerLeftX, -self.markerLeftX, 0)
        glEnd()

    def Run(self):
        _AR.Run()

    def Init(self):
        glutKeyboardFunc(self.keyboard)
        glutSpecialFunc(self.special)

        if 'darwin' not in os.uname()[0].lower():
            capture = self.getCapture()
            b = 0.213794155745
            c = 0.131609063828
            #cv.SetCaptureProperty(capture,CVtypes.CV_CAP_PROP_BRIGHTNESS,0.514000152471)
            #cv.SetCaptureProperty(capture,CVtypes.CV_CAP_PROP_CONTRAST,0.161806668155)
            cv.SetCaptureProperty(capture, CVtypes.CV_CAP_PROP_BRIGHTNESS, b)
            cv.SetCaptureProperty(capture, CVtypes.CV_CAP_PROP_CONTRAST, c)

    displayType = 'mask'

    def keyboard(self, key, x, y):
        if ord(key) == 27:
            sys.exit(0)
        key = key.lower()
        if key == 'h':
            self.queHistSnap = True
        elif key == 'c':
            self.displayType = 'color'
        elif key == 'b':
            self.displayType = 'back'
        elif key == 'g':
            self.displayType = 'gray'
        elif key == 'm':
            self.displayType = 'mask'

    def special(self, key, x, y):
        capture = self.getCapture()
        b = cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_BRIGHTNESS)
        c = cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_CONTRAST)
        if key == GLUT_KEY_DOWN:
            b -= .1
        elif key == GLUT_KEY_UP:
            b += .1
        elif key == GLUT_KEY_LEFT:
            c -= .01
        elif key == GLUT_KEY_RIGHT:
            c += .01

        cv.SetCaptureProperty(capture, CVtypes.CV_CAP_PROP_BRIGHTNESS, b)
        cv.SetCaptureProperty(capture, CVtypes.CV_CAP_PROP_CONTRAST, c)
        b = cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_BRIGHTNESS)
        c = cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_CONTRAST)
        print 'Brightness:', b
        print 'Contrast:', c
        print

    def renderFrame(self, frame):
        glEnable(GL_TEXTURE_2D)
        internalFormat = GL_RGB
        format = GL_BGR
        if frame[0].nChannels == 1:
            internalFormal, format = GL_LUMINANCE, GL_LUMINANCE
        glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, frame[0].width,
                     frame[0].height, 0, format, GL_UNSIGNED_BYTE,
                     imageAsArray(frame))

        z = 0

        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()

        glMatrixMode(GL_MODELVIEW)
        glPushMatrix()
        glLoadIdentity()
        glBegin(GL_POLYGON)

        glTexCoord2f(0.0, 1.0)
        glVertex3f(-1.0, -1.0, z)
        glTexCoord2f(1.0, 1.0)
        glVertex3f(1.0, -1.0, z)
        glTexCoord2f(1.0, 0.0)
        glVertex3f(1.0, 1.0, z)
        glTexCoord2f(0.0, 0.0)
        glVertex3f(-1.0, 1.0, z)

        glEnd()
        glPopMatrix()

        glFlush()
        glDisable(GL_TEXTURE_2D)

    def render(self):
        self.renderFrame(self.modifiedImage)
        #print 'here'

    def getFrame(self):
        p = _AR.GetFrame()
        ip = cast(c_void_p(p), POINTER(CVtypes.IplImage))
        return ip

    def getCapture(self):
        p = _AR.GetCapture()
        ip = cast(c_void_p(p), POINTER(CVtypes.CvCapture))
        return ip

    def preRender(self):
        frame = self.getFrame()
        capture = self.getCapture()
        #print _AR.GetMultiMV('data/19_20_21_22_23_24.cfg')
        #_AR.GetMultiMV('data/13_14_15_16_17_18.cfg')
        #if 'darwin' in os.uname()[0].lower():
        if 0:
            settings = [
                cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_FOURCC),
                cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_BRIGHTNESS),
                cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_CONTRAST),
                cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_SATURATION),
                cv.GetCaptureProperty(capture, CVtypes.CV_CAP_PROP_HUE),
            ]
            print settings

        size = cv.GetSize(frame)
        fsize = size.width, size.height
        size = cv.GetSize(self.image)
        isize = size.width, size.height
        if fsize == isize:
            cv.Copy(frame, self.image)
        else:
            cv.Resize(
                frame,
                self.image,
                CVtypes.CV_INTER_LINEAR,
                #CVtypes.CV_INTER_CUBIC,
            )

        cv.CvtColor(self.image, self.hsvImage, CVtypes.CV_RGB2HSV)
        cv.Split(self.hsvImage, self.hsvPlanes[0], self.hsvPlanes[1],
                 self.hsvPlanes[2], 0)
        cv.CvtColor(self.image, self.grayImage, CVtypes.CV_RGB2GRAY)
        if 1:
            #cv.EqualizeHist(self.hsvPlanes[0],self.hsvPlanes[0])
            #cv.EqualizeHist(self.hsvPlanes[2],self.hsvPlanes[2])
            #cv.Merge(self.hsvPlanes[0],self.hsvPlanes[1],
            #         self.hsvPlanes[2],0, self.hsvImage)
            #cv.CvtColor(self.hsvImage,self.image,CVtypes.CV_HSV2RGB)
            cv.EqualizeHist(self.grayImage, self.grayImage)
        cv.Split(self.image, self.rgbPlanes[0], self.rgbPlanes[1],
                 self.rgbPlanes[2], 0)
        cv.Copy(self.image, self.modifiedImage)
        #cv.CvtColor(self.grayImage,self.modifiedImage,CVtypes.CV_GRAY2RGB)
        #self.backProject()
        #self.getContours()

    queHistSnap = False
    histSnapTaken = False

    def backProject(self):
        work = self.work1[0]
        #cv.Smooth(self.hsvImage,self.hsvImage,CVtypes.CV_GAUSSIAN,7,7);
        cv.InRangeS(self.hsvImage, cv.Scalar(0, 30, 200, 0),
                    cv.Scalar(180, 256, 256, 0), self.maskImage)

        cv.InRangeS(self.hsvImage, cv.Scalar(0, 30, 100, 0),
                    cv.Scalar(180, 256, 256, 0), work)

        if self.queHistSnap:
            cv.CalcHist([self.hsvPlanes[0]], self.histogram, 0, self.maskImage)
            values = cv.GetMinMaxHistValue(self.histogram)
            self.histSnapTaken = True
            self.queHistSnap = False
        if self.histSnapTaken:
            cv.CalcBackProject([self.hsvPlanes[0]], self.backprojectImage,
                               self.histogram)
            cv.And(self.backprojectImage, work, self.backprojectImage, 0)
        if self.displayType == 'color':
            cv.Copy(self.image, self.modifiedImage)
        elif self.displayType == 'back':
            cv.CvtColor(self.backprojectImage, self.modifiedImage,
                        CVtypes.CV_GRAY2RGB)
        elif self.displayType == 'gray':
            cv.CvtColor(self.grayImage, self.modifiedImage,
                        CVtypes.CV_GRAY2RGB)
        elif self.displayType == 'mask':
            cv.CvtColor(self.maskImage, self.modifiedImage,
                        CVtypes.CV_GRAY2RGB)

        self.getContours(self.backprojectImage)
        #self.getContours(self.maskImage)

    def getContours(self, image):
        cv.Smooth(image, image, CVtypes.CV_GAUSSIAN, 17, 17)
        #cv.CvtColor(image,self.modifiedImage,CVtypes.CV_GRAY2RGB);
        cv.Threshold(image, image, 128, 255, CVtypes.CV_THRESH_BINARY)
        #cv.CvtColor(image,self.modifiedImage,CVtypes.CV_GRAY2RGB);
        cv.Canny(image, image, 50, 200)

        #cv.CvtColor(image,self.modifiedImage,CVtypes.CV_GRAY2RGB);
        #cv.CvtColor(self.grayImage,self.modifiedImage,CVtypes.CV_GRAY2RGB);
        #cv.Copy(frame,self.modifiedImage)
        #return
        contour = POINTER(cv.Seq)()
        if 1:
            cv.FindContours(
                image,
                #self.grayImage,
                self.cvStorage[0],
                byref(contour),
                sizeof(cv.Contour),
                CVtypes.CV_RETR_CCOMP,
                CVtypes.CV_CHAIN_APPROX_SIMPLE,
                cv.Point(0, 0),
            )
        contourBlocks = []
        if contour:
            cSeq = cast(contour, POINTER(cv.Seq))
            ellipses = []
            while cSeq:
                contours = []
                total = cSeq[0].total
                if total >= 6:
                    box = cv.FitEllipse2(cSeq)
                    ellipses.append(box)
                #print
                #print
                for i in range(total):
                    next = CVtypes.CV_GET_SEQ_ELEM(cv.Seq, cSeq, i)
                    nContour = cast(next, POINTER(cv.Contour))
                    rect = nContour[0].rect
                    contours.append(rect)
                    #print rect
                contourBlocks.append(contours)
                cSeq = cast(cSeq[0].h_next, POINTER(cv.Seq))
        #print ellipses[0]
        #print
        if 1:
            if contourBlocks:
                bboxes = []
                for contours in contourBlocks:
                    c0 = contours[0]
                    bbox = [self.size[0] + 1, self.size[1] + 1, -1, -1]
                    for i, c in enumerate(contours):
                        #if i==(len(contours)-1): break
                        x0, y0, x1, y1 = c.x, c.y, c.width, c.height
                        if ((x0 > self.size[0]) or (x1 > self.size[0])
                                or (y0 > self.size[1]) or (y1 > self.size[1])
                                or (x0 <= 0) or (x1 <= 0) or (y0 <= 0)
                                or (y1 <= 0)):
                            x0, y0, x1, y1 = c0.x, c0.y, c0.width, c0.height
                            continue
                        if x0 < bbox[0]: bbox[0] = x0
                        if x1 < bbox[0]: bbox[0] = x0
                        if x0 > bbox[2]: bbox[2] = x0
                        if x1 > bbox[2]: bbox[2] = x0
                        if y0 < bbox[1]: bbox[1] = y0
                        if y1 < bbox[1]: bbox[1] = y0
                        if y0 > bbox[3]: bbox[3] = y0
                        if y1 > bbox[3]: bbox[3] = y0
                        cv.Line(
                            self.modifiedImage,
                            cv.Point(x0, y0),
                            cv.Point(x1, y1),
                            #cv.Point(contours[i+1].x,contours[i+1].y),
                            CVtypes.CV_RGB(255, 0, 0),
                            1,
                            1,
                        )
                    bboxes.append(bbox)
                for bbox in bboxes:
                    cv.Rectangle(
                        self.modifiedImage,
                        cv.Point(bbox[0], bbox[1]),
                        cv.Point(bbox[2], bbox[3]),
                        CVtypes.CV_RGB(0, 255, 255),
                        1,
                        8,
                    )
                cx, cy = 0, 0
                num = 0
                for e in ellipses:
                    x = e.center.x
                    y = e.center.y
                    center = cv.Point(int(x), int(y))
                    size = cv.Size(int(e.size.width), int(e.size.height))
                    if size.width > self.size[0] or size.height > self.size[1]:
                        continue
                    cx += x
                    cy += y
                    num += 1
                    angle = -e.angle
                    cv.Ellipse(
                        self.modifiedImage,
                        center,
                        size,
                        angle,
                        0,
                        360,
                        CVtypes.CV_RGB(0, 255, 255),
                    )
                if num:
                    cx /= num
                    cy /= num
                    cv.Circle(
                        self.modifiedImage,
                        cv.Point(int(cx), int(cy)),
                        20,
                        CVtypes.CV_RGB(255, 255, 0),
                    )

        cv.DrawContours(
            self.modifiedImage,
            contour,
            CVtypes.CV_RGB(255, 0, 0),
            CVtypes.CV_RGB(0, 255, 0),
            1,
            1,
        )
Exemplo n.º 4
0
 cv.NamedWindow ('Camera', cv.WINDOW_AUTOSIZE)
 if len (sys.argv) == 1:
     # no argument on the command line, try to use the camera
     capture = cv.CreateCameraCapture (0)
 #
 ### check that capture device is OK
 if not capture:
     print "Error opening capture device"
     sys.exit (1)
 #
 ### capture the 1st frame to get some propertie on it
 frame = cv.QueryFrame (capture)
 #
 ### get size of the frame
 frame_size = cv.GetSize (frame)
 gray = cv.CreateImage( frame_size, 8, 1 )
 small_img = cv.CreateImage( cv.Size( int(frame_size.width/image_scale),int(frame_size.height/image_scale)), 8, 1 )
 cascade = cv.LoadHaarClassifierCascade( cascade_name, cv.Size(1,1) )
 #   
 while 1: # do forever
     # capture the current image
     frame = cv.QueryFrame (capture)
     if frame is None:
         # no image captured... end the processing
         break
     #
     ### check OS
     if (osName == "nt"):
         cv.Flip(frame, frame, 0)
     else:
         cv.Flip(frame, None, 1)
Exemplo n.º 5
0
def detect(image):
    image_size = cv.GetSize(image)

    # create grayscale version
    grayscale = cv.CreateImage(image_size, 8, 1)
    cv.CvtColor(image, grayscale, cv.BGR2GRAY)

    # create storage
    storage = cv.CreateMemStorage(0)
    cv.ClearMemStorage(storage)

    # equalize histogram
    cv.EqualizeHist(grayscale, grayscale)

    # detect objects
    cascade = cv.LoadHaarClassifierCascade('haarcascade_frontalface_alt.xml',
                                           cv.Size(1, 1))
    faces = cv.HaarDetectObjects(grayscale, cascade, storage, 1.2, 2,
                                 cv.HAAR_DO_CANNY_PRUNING, cv.Size(50, 50))

    if faces:
        print 'face detected!'
        for i in faces:
            cv.Rectangle(image, cv.Point(int(i.x), int(i.y)),
                         cv.Point(int(i.x + i.width), int(i.y + i.height)),
                         cv.RGB(0, 255, 0), 3, 8, 0)

    # create windows
    cv.NamedWindow('Camera', cv.WINDOW_AUTOSIZE)

    # create capture device
    device = 0  # assume we want first device
    capture = cv.CreateCameraCapture(0)
    cv.SetCaptureProperty(capture, cv.CAP_PROP_FRAME_WIDTH, 640)
    cv.SetCaptureProperty(capture, cv.CAP_PROP_FRAME_HEIGHT, 480)

    # check if capture device is OK
    if not capture:
        print "Error opening capture device"
        sys.exit(1)

    while 1:
        # do forever

        # capture the current frame
        frame = cv.QueryFrame(capture)
        if frame is None:
            break

        # mirror
        cv.Flip(frame, None, 1)

        # face detection
        detect(frame)
        # display webcam image
        cv.ShowImage('Camera', frame)

        # handle events
        k = cv.WaitKey(10)

        if k == 0x1b:  # ESC
            print 'ESC pressed. Exiting ...'
            break
Exemplo n.º 6
0
        # set the wanted image size from the camera
        cv.SetCaptureProperty(capture, cv.CAP_PROP_FRAME_WIDTH, 320)
        cv.SetCaptureProperty(capture, cv.CAP_PROP_FRAME_HEIGHT, 240)
    else:
        # we have an argument on the command line,
        # we can assume this is a file name, so open it
        capture = cv.CreateFileCapture(sys.argv[1])

    # check that capture device is OK
    if not capture:
        print "Error opening capture device"
        sys.exit(1)

    # create an image to put in the histogram
    histimg = cv.CreateImage(cv.Size(320, 240), 8, 3)

    # init the image of the histogram to black
    cv.SetZero(histimg)

    # capture the 1st frame to get some propertie on it
    frame = cv.QueryFrame(capture)

    # get some properties of the frame
    frame_size = cv.GetSize(frame)

    # compute which selection of the frame we want to monitor
    selection = cv.Rect(0, 0, frame_size.width, frame_size.height)

    # create some images usefull later
    hue = cv.CreateImage(frame_size, 8, 1)