Beispiel #1
0
    def __init__(self,
                 slipmap,
                 grid_width=20,
                 grid_height=20,
                 thumb_size=35,
                 C=CameraParams(),
                 camera_settings=None,
                 image_settings=None,
                 start_menu=False):
        self.thumb_size = thumb_size
        self.width = grid_width * thumb_size
        self.height = grid_height * thumb_size
        self.mosaic = cv.CreateImage((self.height, self.width), 8, 3)
        cuav_util.zero_image(self.mosaic)
        self.display_regions = grid_width * grid_height
        self.regions = []
        self.regions_sorted = []
        self.page = 0
        self.sort_type = 'Time'
        self.images = []
        self.current_view = 0
        self.last_view_latlon = None
        self.view_filename = None
        self.full_res = False
        self.boundary = []
        self.displayed_image = None
        self.last_click_position = None
        self.c_params = C
        self.camera_settings = camera_settings
        self.image_settings = image_settings
        self.start_menu = start_menu
        self.has_started = not start_menu
        import wx
        self.image_mosaic = mp_image.MPImage(title='Mosaic',
                                             mouse_events=True,
                                             key_events=True,
                                             auto_size=True)
        self.slipmap = slipmap
        self.selected_region = 0

        self.view_image = None
        self.brightness = 1

        # dictionary of image requests, contains True if fullres image is wanted
        self.image_requests = {}

        self.slipmap.add_callback(functools.partial(self.map_callback))

        self.add_menus()
Beispiel #2
0
 def view_imagefile(self, filename):
     '''view an image in a zoomable window'''
     img = cuav_util.LoadImage(filename)
     (w, h) = cuav_util.image_shape(img)
     for r in self.regions:
         if r.filename == filename:
             r.region.draw_rectangle(img,
                                     colour=(255, 0, 0),
                                     linewidth=min(max(w / 600, 1), 3),
                                     offset=max(w / 200, 1))
     if self.view_image is None or not self.view_image.is_alive():
         import wx
         self.view_image = mp_image.MPImage(title='View',
                                            mouse_events=True,
                                            key_events=True,
                                            can_zoom=True,
                                            can_drag=True)
         vmenu = MPMenuSubMenu('View',
                               items=[
                                   MPMenuItem('Next Image\tCtrl+N',
                                              'Next Image', 'nextImage'),
                                   MPMenuItem('Previous Image\tCtrl+P',
                                              'Previous Image',
                                              'previousImage'),
                                   MPMenuItem('Fit Window\tCtrl+F',
                                              'Fit Window', 'fitWindow'),
                                   MPMenuItem('Full Zoom\tCtrl+Z',
                                              'Full Zoom', 'fullSize'),
                                   MPMenuItem('Brightness +\tCtrl+B',
                                              'Increase Brightness',
                                              'increaseBrightness'),
                                   MPMenuItem('Brightness -\tCtrl+Shift+B',
                                              'Decrease Brightness',
                                              'decreaseBrightness')
                               ])
         self.view_menu = MPMenuTop([vmenu])
         self.view_image.set_menu(self.view_menu)
         self.view_image.set_popup_menu(vmenu)
     self.view_filename = filename
     self.view_image.set_image(img, bgr=True)
     self.view_image.set_title('View: ' + os.path.basename(filename))
Beispiel #3
0
def process(args):
  '''process a set of files'''

  global slipmap, mosaic
  scan_count = 0
  files = []
  for a in args:
    if os.path.isdir(a):
      files.extend(glob.glob(os.path.join(a, '*.pgm')))
    else:
      files.append(a)
  files.sort()
  num_files = len(files)
  print("num_files=%u" % num_files)
  region_count = 0
  joes = []

  if opts.mavlog:
    mpos = mav_position.MavInterpolator(gps_lag=opts.gps_lag)
    mpos.set_logfile(opts.mavlog)
  else:
    mpos = None

  if opts.boundary:
    boundary = cuav_util.polygon_load(opts.boundary)
  else:
    boundary = None

  if opts.mosaic:
    slipmap = mp_slipmap.MPSlipMap(service='GoogleSat', elevation=True, title='Map')
    icon = slipmap.icon('planetracker.png')
    slipmap.add_object(mp_slipmap.SlipIcon('plane', (0,0), icon, layer=3, rotation=0,
                                           follow=True,
                                           trail=mp_slipmap.SlipTrail()))
    C_params = cam_params.CameraParams(lens=opts.lens)
    path = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..',
                        'cuav', 'data', 'chameleon1_arecont0.json')
    C_params.load(path)
    mosaic = cuav_mosaic.Mosaic(slipmap, C=C_params)
    if boundary is not None:
      mosaic.set_boundary(boundary)

  if opts.joe:
    joes = cuav_util.polygon_load(opts.joe)
    if boundary:
      for i in range(len(joes)):
        joe = joes[i]
        if cuav_util.polygon_outside(joe, boundary):
          print("Error: joe outside boundary", joe)
          return
        icon = slipmap.icon('flag.png')
        slipmap.add_object(mp_slipmap.SlipIcon('joe%u' % i, (joe[0],joe[1]), icon, layer=4))

  joelog = cuav_joe.JoeLog('joe.log')      

  if opts.view:
    viewer = mp_image.MPImage(title='Image')

  frame_time = 0

  for f in files:
    if mpos:
      frame_time = cuav_util.parse_frame_time(f)
      try:
        if opts.roll_stabilised:
          roll = 0
        else:
          roll = None
        pos = mpos.position(frame_time, opts.max_deltat,roll=roll)
        slipmap.set_position('plane', (pos.lat, pos.lon), rotation=pos.yaw)
      except mav_position.MavInterpolatorException as e:
        print e
        pos = None
    else:
      pos = None

    # check for any events from the map
    if opts.mosaic:
      slipmap.check_events()
      mosaic.check_events()

    if f.endswith('.pgm'):
      pgm = cuav_util.PGM(f)
      im = pgm.array
      if pgm.eightbit:
        im_8bit = im
      else:
        im_8bit = numpy.zeros((960,1280,1),dtype='uint8')
        if opts.gamma != 0:
          scanner.gamma_correct(im, im_8bit, opts.gamma)
        else:
          scanner.reduce_depth(im, im_8bit)
      im_full = numpy.zeros((960,1280,3),dtype='uint8')
      scanner.debayer(im_8bit, im_full)
      im_640 = numpy.zeros((480,640,3),dtype='uint8')
      scanner.downsample(im_full, im_640)
    else:
      im_orig = cv.LoadImage(f)
      (w,h) = cuav_util.image_shape(im_orig)
      im_full = im_orig
      im_640 = cv.CreateImage((640, 480), 8, 3)
      cv.Resize(im_full, im_640, cv.CV_INTER_NN)
      im_640 = numpy.ascontiguousarray(cv.GetMat(im_640))
      im_full = numpy.ascontiguousarray(cv.GetMat(im_full))

    count = 0
    total_time = 0
    img_scan = im_640

    t0=time.time()
    for i in range(opts.repeat):
      if opts.fullres:
        regions = scanner.scan(im_full)
        regions = cuav_region.RegionsConvert(regions, 1280, 960)
      else:
        regions = scanner.scan(img_scan)
        regions = cuav_region.RegionsConvert(regions)
      count += 1
    t1=time.time()

    if opts.filter:
      regions = cuav_region.filter_regions(im_full, regions, frame_time=frame_time, min_score=opts.minscore,
                                           filter_type=opts.filter_type)

    scan_count += 1

    # optionally link all the images with joe into a separate directory
    # for faster re-running of the test with just joe images
    if pos and opts.linkjoe and len(regions) > 0:
      cuav_util.mkdir_p(opts.linkjoe)
      if not cuav_util.polygon_outside((pos.lat, pos.lon), boundary):
        joepath = os.path.join(opts.linkjoe, os.path.basename(f))
        if os.path.exists(joepath):
          os.unlink(joepath)
        os.symlink(f, joepath)

    if pos and len(regions) > 0:
      joelog.add_regions(frame_time, regions, pos, f, width=1280, height=960, altitude=opts.altitude)

      if boundary:
        regions = cuav_region.filter_boundary(regions, boundary, pos)

    region_count += len(regions)

    if opts.mosaic and len(regions) > 0:
      composite = cuav_mosaic.CompositeThumbnail(cv.GetImage(cv.fromarray(im_full)), regions)
      thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
      mosaic.add_regions(regions, thumbs, f, pos)

    if opts.compress:
      jpeg = scanner.jpeg_compress(im_full, opts.quality)
      jpeg_filename = f[:-4] + '.jpg'
      if os.path.exists(jpeg_filename):
        print('jpeg %s already exists' % jpeg_filename)
        continue
      chameleon.save_file(jpeg_filename, jpeg)

    if opts.view:
      if opts.fullres:
        img_view = im_full
      else:
        img_view = img_scan
      mat = cv.fromarray(img_view)
      for r in regions:
        (x1,y1,x2,y2) = r.tuple()
        (w,h) = cuav_util.image_shape(img_view)
        x1 = x1*w//1280
        x2 = x2*w//1280
        y1 = y1*h//960
        y2 = y2*h//960
        cv.Rectangle(mat, (max(x1-2,0),max(y1-2,0)), (x2+2,y2+2), (255,0,0), 2)
      cv.CvtColor(mat, mat, cv.CV_BGR2RGB)
      viewer.set_image(mat)

    total_time += (t1-t0)
    if t1 != t0:
      print('%s scan %.1f fps  %u regions [%u/%u]' % (
        f, count/total_time, region_count, scan_count, num_files))
Beispiel #4
0
def view_thread():
    '''image viewing thread - this runs on the ground station'''
    from cuav.lib import cuav_mosaic
    state = mpstate.camera_state

    bsend = block_xmit.BlockSender(state.settings.gcs_view_port, bandwidth=state.settings.bandwidth)
    state.bsocket = MavSocket(mpstate.mav_master[0])
    state.bsend2 = block_xmit.BlockSender(mss=96, sock=state.bsocket, dest_ip='mavlink', dest_port=0, backlog=5, debug=False)
    state.bsend2.set_bandwidth(state.settings.bandwidth2)

    view_window = False
    image_count = 0
    thumb_count = 0
    image_total_bytes = 0
    jpeg_total_bytes = 0
    thumb_total_bytes = 0
    region_count = 0
    mosaic = None
    thumbs_received = set()
    view_dir = os.path.join(state.camera_dir, "view")
    thumb_dir = os.path.join(state.camera_dir, "thumb")
    cuav_util.mkdir_p(view_dir)
    cuav_util.mkdir_p(thumb_dir)

    img_window = mp_image.MPImage(title='Camera')

    mpstate.console.set_status('Images', 'Images %u' % image_count, row=6)
    mpstate.console.set_status('Lost', 'Lost %u' % 0, row=6)
    mpstate.console.set_status('Regions', 'Regions %u' % region_count, row=6)
    mpstate.console.set_status('JPGSize', 'JPGSize %.0f' % 0.0, row=6)
    mpstate.console.set_status('XMITQ', 'XMITQ %.0f' % 0.0, row=6)

    mpstate.console.set_status('Thumbs', 'Thumbs %u' % thumb_count, row=7)
    mpstate.console.set_status('ThumbSize', 'ThumbSize %.0f' % 0.0, row=7)
    mpstate.console.set_status('ImageSize', 'ImageSize %.0f' % 0.0, row=7)

    ack_time = time.time()

    while not state.unload.wait(0.02):
        if state.viewing:
            tnow = time.time()
            if tnow - ack_time > 0.1:
                bsend.tick(packet_count=1000, max_queue=state.settings.maxqueue1)
                state.bsend2.tick(packet_count=1000, max_queue=state.settings.maxqueue2)
                if state.bsend_slave is not None:
                    state.bsend_slave.tick(packet_count=1000)
                ack_time = tnow
            if not view_window:
                view_window = True
                mosaic = cuav_mosaic.Mosaic(slipmap=mpstate.map, C=state.c_params)
                if state.boundary_polygon is not None:
                    mosaic.set_boundary(state.boundary_polygon)
                if mpstate.continue_mode:
                    reload_mosaic(mosaic)

            # check for keyboard events
            mosaic.check_events()

            buf = bsend.recv(0)
            if buf is None:
                buf = state.bsend2.recv(0)
            if buf is None:
                continue
            try:
                obj = cPickle.loads(str(buf))
                if obj == None:
                    continue
            except Exception as e:
                continue

            if state.settings.gcs_slave is not None:
                if state.bsend_slave is None:
                    state.bsend_slave = block_xmit.BlockSender(0, bandwidth=state.settings.bandwidth*10, debug=False)
                state.bsend_slave.send(buf,
                                       dest=(state.settings.gcs_slave, state.settings.gcs_view_port),
                                       priority=1)

            if isinstance(obj, ThumbPacket):
                # we've received a set of thumbnails from the plane for a positive hit
                if obj.frame_time in thumbs_received:
                    continue
                thumbs_received.add(obj.frame_time)

                thumb_total_bytes += len(buf)

                # save the thumbnails
                thumb_filename = '%s/v%s.jpg' % (thumb_dir, cuav_util.frame_time(obj.frame_time))
                chameleon.save_file(thumb_filename, obj.thumb)
                composite = cv.LoadImage(thumb_filename)
                thumbs = cuav_mosaic.ExtractThumbs(composite, len(obj.regions))

                # log the joe positions
                filename = '%s/v%s.jpg' % (view_dir, cuav_util.frame_time(obj.frame_time))
                pos = obj.pos
                log_joe_position(pos, obj.frame_time, obj.regions, filename, thumb_filename)

                # update the mosaic and map
                mosaic.set_brightness(state.settings.brightness)
                mosaic.add_regions(obj.regions, thumbs, filename, pos=pos)

                # update console display
                region_count += len(obj.regions)
                state.frame_loss = obj.frame_loss
                state.xmit_queue = obj.xmit_queue
                thumb_count += 1

                mpstate.console.set_status('Lost', 'Lost %u' % state.frame_loss)
                mpstate.console.set_status('Regions', 'Regions %u' % region_count)
                mpstate.console.set_status('XMITQ', 'XMITQ %.0f' % state.xmit_queue)
                mpstate.console.set_status('Thumbs', 'Thumbs %u' % thumb_count)
                mpstate.console.set_status('ThumbSize', 'ThumbSize %.0f' % (thumb_total_bytes/thumb_count))

            if isinstance(obj, ImagePacket):
                # we have an image from the plane
                image_total_bytes += len(buf)

                state.xmit_queue = obj.xmit_queue
                mpstate.console.set_status('XMITQ', 'XMITQ %.0f' % state.xmit_queue)

                # save it to disk
                filename = '%s/v%s.jpg' % (view_dir, cuav_util.frame_time(obj.frame_time))
                chameleon.save_file(filename, obj.jpeg)
                img = cv.LoadImage(filename)
                if img.width == 1280:
                    display_img = cv.CreateImage((640, 480), 8, 3)
                    cv.Resize(img, display_img)
                else:
                    display_img = img

                mosaic.add_image(obj.frame_time, filename, obj.pos)

                cv.ConvertScale(display_img, display_img, scale=state.settings.brightness)
                img_window.set_image(display_img, bgr=True)

                # update console
                image_count += 1
                jpeg_total_bytes += len(obj.jpeg)
                state.jpeg_size = 0.95 * state.jpeg_size + 0.05 * len(obj.jpeg)
                mpstate.console.set_status('Images', 'Images %u' % image_count)
                mpstate.console.set_status('JPGSize', 'JPG Size %.0f' % (jpeg_total_bytes/image_count))
                mpstate.console.set_status('ImageSize', 'ImageSize %.0f' % (image_total_bytes/image_count))

            if isinstance(obj, CommandResponse):
                print('REMOTE: %s' % obj.response)
                
        else:
            if view_window:
                view_window = False
Beispiel #5
0
def process(args):
    '''process a set of files'''

    global slipmap, mosaic
    scan_count = 0
    files = []
    for a in args:
        if os.path.isdir(a):
            files.extend(file_list(a, ['jpg', 'pgm', 'png']))
        else:
            if a.find('*') != -1:
                files.extend(glob.glob(a))
            else:
                files.append(a)
    files.sort()
    num_files = len(files)
    print("num_files=%u" % num_files)
    region_count = 0

    slipmap = mp_slipmap.MPSlipMap(service=opts.service,
                                   elevation=True,
                                   title='Map')
    icon = slipmap.icon('redplane.png')
    slipmap.add_object(
        mp_slipmap.SlipIcon('plane', (0, 0),
                            icon,
                            layer=3,
                            rotation=0,
                            follow=True,
                            trail=mp_slipmap.SlipTrail()))

    if opts.mission:
        from pymavlink import mavwp
        wp = mavwp.MAVWPLoader()
        wp.load(opts.mission)
        boundary = wp.polygon()
        slipmap.add_object(
            mp_slipmap.SlipPolygon('mission',
                                   boundary,
                                   layer=1,
                                   linewidth=1,
                                   colour=(255, 255, 255)))

    if opts.mavlog:
        mpos = mav_position.MavInterpolator()
        mpos.set_logfile(opts.mavlog)
    else:
        mpos = None

    if opts.kmzlog:
        kmzpos = mav_position.KmlPosition(opts.kmzlog)
    else:
        kmzpos = None

    if opts.triggerlog:
        triggerpos = mav_position.TriggerPosition(opts.triggerlog)
    else:
        triggerpos = None

    # create a simple lens model using the focal length
    C_params = cam_params.CameraParams(lens=opts.lens,
                                       sensorwidth=opts.sensorwidth)

    if opts.camera_params:
        C_params.load(opts.camera_params)

    camera_settings = MPSettings([
        MPSetting('roll_stabilised', bool, True, 'Roll Stabilised'),
        MPSetting(
            'altitude', int, 0, 'Altitude', range=(0, 10000), increment=1),
        MPSetting('filter_type',
                  str,
                  'simple',
                  'Filter Type',
                  choice=['simple', 'compactness']),
        MPSetting('fullres', bool, False, 'Full Resolution'),
        MPSetting('quality',
                  int,
                  75,
                  'Compression Quality',
                  range=(1, 100),
                  increment=1),
        MPSetting('thumbsize',
                  int,
                  60,
                  'Thumbnail Size',
                  range=(10, 200),
                  increment=1),
        MPSetting('minscore',
                  int,
                  75,
                  'Min Score',
                  range=(0, 1000),
                  increment=1,
                  tab='Scoring'),
        MPSetting('brightness',
                  float,
                  1.0,
                  'Display Brightness',
                  range=(0.1, 10),
                  increment=0.1,
                  digits=2,
                  tab='Display')
    ],
                                 title='Camera Settings')

    image_settings = MPSettings([
        MPSetting('MinRegionArea',
                  float,
                  0.15,
                  range=(0, 100),
                  increment=0.05,
                  digits=2,
                  tab='Image Processing'),
        MPSetting('MaxRegionArea',
                  float,
                  2.0,
                  range=(0, 100),
                  increment=0.1,
                  digits=1),
        MPSetting('MinRegionSize',
                  float,
                  0.1,
                  range=(0, 100),
                  increment=0.05,
                  digits=2),
        MPSetting(
            'MaxRegionSize', float, 2, range=(0, 100), increment=0.1,
            digits=1),
        MPSetting('MaxRarityPct',
                  float,
                  0.02,
                  range=(0, 100),
                  increment=0.01,
                  digits=2),
        MPSetting('RegionMergeSize',
                  float,
                  3.0,
                  range=(0, 100),
                  increment=0.1,
                  digits=1),
        MPSetting('SaveIntermediate', bool, False)
    ],
                                title='Image Settings')

    mosaic = cuav_mosaic.Mosaic(slipmap,
                                C=C_params,
                                camera_settings=camera_settings,
                                image_settings=image_settings,
                                start_menu=True)

    joelog = cuav_joe.JoeLog(None)

    if opts.view:
        viewer = mp_image.MPImage(title='Image', can_zoom=True, can_drag=True)

    if camera_settings.filter_type == 'compactness':
        calculate_compactness = True
        print("Using compactness filter")
    else:
        calculate_compactness = False

    for f in files:
        if not mosaic.started():
            print("Waiting for startup")
            while not mosaic.started():
                mosaic.check_events()
                time.sleep(0.01)

        if mpos:
            # get the position by interpolating telemetry data from the MAVLink log file
            # this assumes that the filename contains the timestamp
            frame_time = cuav_util.parse_frame_time(f) + opts.time_offset
            if camera_settings.roll_stabilised:
                roll = 0
            else:
                roll = None
            try:
                pos = mpos.position(frame_time, roll=roll)
            except Exception:
                print("No position available for %s" % frame_time)
                # skip this frame
                continue
        elif kmzpos is not None:
            pos = kmzpos.position(f)
        elif triggerpos is not None:
            pos = triggerpos.position(f)
        else:
            # get the position using EXIF data
            pos = mav_position.exif_position(f)
            pos.time += opts.time_offset

        # update the plane icon on the map
        if pos is not None:
            slipmap.set_position('plane', (pos.lat, pos.lon), rotation=pos.yaw)
            if camera_settings.altitude > 0:
                pos.altitude = camera_settings.altitude

        # check for any events from the map
        slipmap.check_events()
        mosaic.check_events()

        im_orig = cuav_util.LoadImage(f)
        (w, h) = cuav_util.image_shape(im_orig)

        if not opts.camera_params:
            C_params.set_resolution(w, h)

        im_full = im_orig

        im_640 = cv.CreateImage((640, 480), 8, 3)
        cv.Resize(im_full, im_640, cv.CV_INTER_NN)
        im_640 = numpy.ascontiguousarray(cv.GetMat(im_640))
        im_full = numpy.ascontiguousarray(cv.GetMat(im_full))

        count = 0
        total_time = 0

        t0 = time.time()
        if camera_settings.fullres:
            img_scan = im_full
        else:
            img_scan = im_640

        scan_parms = {}
        for name in image_settings.list():
            scan_parms[name] = image_settings.get(name)
        scan_parms['SaveIntermediate'] = float(scan_parms['SaveIntermediate'])

        if pos is not None:
            (sw, sh) = cuav_util.image_shape(img_scan)
            mpp = cuav_util.meters_per_pixel(pos, C=C_params)
            if mpp is not None:
                scan_parms['MetersPerPixel'] = mpp * (w / float(sw))
            regions = scanner.scan(img_scan, scan_parms)
        else:
            regions = scanner.scan(img_scan)
        regions = cuav_region.RegionsConvert(regions,
                                             cuav_util.image_shape(img_scan),
                                             cuav_util.image_shape(im_full),
                                             calculate_compactness)
        count += 1
        t1 = time.time()

        frame_time = pos.time

        regions = cuav_region.filter_regions(
            im_full,
            regions,
            frame_time=frame_time,
            min_score=camera_settings.minscore,
            filter_type=camera_settings.filter_type)

        scan_count += 1

        mosaic.add_image(pos.time, f, pos)

        if pos and len(regions) > 0:
            altitude = camera_settings.altitude
            if altitude <= 0:
                altitude = None
            joelog.add_regions(frame_time,
                               regions,
                               pos,
                               f,
                               width=w,
                               height=h,
                               altitude=altitude)

        region_count += len(regions)

        if len(regions) > 0:
            composite = cuav_mosaic.CompositeThumbnail(
                cv.GetImage(cv.fromarray(im_full)), regions)
            thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
            mosaic.add_regions(regions, thumbs, f, pos)

        if opts.view:
            img_view = img_scan
            (wview, hview) = cuav_util.image_shape(img_view)
            mat = cv.fromarray(img_view)
            for r in regions:
                r.draw_rectangle(mat, (255, 0, 0))
            cv.CvtColor(mat, mat, cv.CV_BGR2RGB)
            viewer.set_image(mat)
            viewer.set_title('Image: ' + os.path.basename(f))

        total_time += (t1 - t0)
        if t1 != t0:
            print('%s scan %.1f fps  %u regions [%u/%u]' %
                  (os.path.basename(f), count / total_time, region_count,
                   scan_count, num_files))
Beispiel #6
0
def process(args):
    '''process a set of files'''

    global slipmap, mosaic
    scan_count = 0
    files = []
    for a in args:
        if os.path.isdir(a):
            files.extend(file_list(a, ['jpg', 'pgm', 'png']))
        else:
            if a.find('*') != -1:
                files.extend(glob.glob(a))
            else:
                files.append(a)
    files.sort()
    num_files = len(files)
    print("num_files=%u" % num_files)
    region_count = 0

    slipmap = mp_slipmap.MPSlipMap(service=opts.service,
                                   elevation=True,
                                   title='Map')
    icon = slipmap.icon('redplane.png')
    slipmap.add_object(
        mp_slipmap.SlipIcon('plane', (0, 0),
                            icon,
                            layer=3,
                            rotation=0,
                            follow=True,
                            trail=mp_slipmap.SlipTrail()))

    if opts.mission:
        from pymavlink import mavwp
        wp = mavwp.MAVWPLoader()
        wp.load(opts.mission)
        boundary = wp.polygon()
        slipmap.add_object(
            mp_slipmap.SlipPolygon('mission',
                                   boundary,
                                   layer=1,
                                   linewidth=1,
                                   colour=(255, 255, 255)))

    if opts.mavlog:
        mpos = mav_position.MavInterpolator()
        mpos.set_logfile(opts.mavlog)
    else:
        mpos = None

    if opts.kmzlog:
        kmzpos = mav_position.KmlPosition(opts.kmzlog)
    else:
        kmzpos = None

    if opts.triggerlog:
        triggerpos = mav_position.TriggerPosition(opts.triggerlog)
    else:
        triggerpos = None

    # create a simple lens model using the focal length
    C_params = cam_params.CameraParams(lens=opts.lens,
                                       sensorwidth=opts.sensorwidth)

    if opts.camera_params:
        C_params.load(opts.camera_params)

    mosaic = cuav_mosaic.Mosaic(slipmap, C=C_params)

    joelog = cuav_joe.JoeLog(None)

    if opts.view:
        viewer = mp_image.MPImage(title='Image', can_zoom=True, can_drag=True)

    scan_parms = {
        'MinRegionArea': opts.min_region_area,
        'MaxRegionArea': opts.max_region_area,
        'MinRegionSize': opts.min_region_size,
        'MaxRegionSize': opts.max_region_size,
        'MaxRarityPct': opts.max_rarity_pct,
        'RegionMergeSize': opts.region_merge
    }

    for f in files:
        if mpos:
            # get the position by interpolating telemetry data from the MAVLink log file
            # this assumes that the filename contains the timestamp
            frame_time = cuav_util.parse_frame_time(f) + opts.time_offset
            if opts.roll_stabilised:
                roll = 0
            else:
                roll = None
            try:
                pos = mpos.position(frame_time, roll=roll)
            except Exception:
                print("No position available for %s" % frame_time)
                # skip this frame
                continue
        elif kmzpos is not None:
            pos = kmzpos.position(f)
        elif triggerpos is not None:
            pos = triggerpos.position(f)
        else:
            # get the position using EXIF data
            pos = mav_position.exif_position(f)
            pos.time += opts.time_offset

        # update the plane icon on the map
        if pos is not None:
            slipmap.set_position('plane', (pos.lat, pos.lon), rotation=pos.yaw)

        # check for any events from the map
        slipmap.check_events()
        mosaic.check_events()

        im_orig = cuav_util.LoadImage(f)
        (w, h) = cuav_util.image_shape(im_orig)

        if not opts.camera_params:
            C_params.set_resolution(w, h)

        im_full = im_orig

        im_640 = cv.CreateImage((640, 480), 8, 3)
        cv.Resize(im_full, im_640, cv.CV_INTER_NN)
        im_640 = numpy.ascontiguousarray(cv.GetMat(im_640))
        im_full = numpy.ascontiguousarray(cv.GetMat(im_full))

        count = 0
        total_time = 0

        t0 = time.time()
        if opts.fullres:
            img_scan = im_full
        else:
            img_scan = im_640

        if pos is not None:
            (sw, sh) = cuav_util.image_shape(img_scan)
            mpp = cuav_util.meters_per_pixel(pos, C=C_params)
            if mpp is not None:
                scan_parms['MetersPerPixel'] = mpp * (w / float(sw))
            regions = scanner.scan(img_scan, scan_parms)
        else:
            regions = scanner.scan(img_scan)
        regions = cuav_region.RegionsConvert(regions,
                                             cuav_util.image_shape(img_scan),
                                             cuav_util.image_shape(im_full))
        count += 1
        t1 = time.time()

        frame_time = pos.time

        regions = cuav_region.filter_regions(im_full,
                                             regions,
                                             frame_time=frame_time,
                                             min_score=opts.minscore,
                                             filter_type=opts.filter_type)

        scan_count += 1

        mosaic.add_image(pos.time, f, pos)

        if pos and len(regions) > 0:
            joelog.add_regions(frame_time,
                               regions,
                               pos,
                               f,
                               width=w,
                               height=h,
                               altitude=opts.altitude)

        region_count += len(regions)

        if len(regions) > 0:
            composite = cuav_mosaic.CompositeThumbnail(
                cv.GetImage(cv.fromarray(im_full)), regions)
            thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
            mosaic.add_regions(regions, thumbs, f, pos)

        if opts.view:
            img_view = img_scan
            (wview, hview) = cuav_util.image_shape(img_view)
            mat = cv.fromarray(img_view)
            for r in regions:
                r.draw_rectangle(mat, (255, 0, 0))
            cv.CvtColor(mat, mat, cv.CV_BGR2RGB)
            viewer.set_image(mat)
            viewer.set_title('Image: ' + os.path.basename(f))

        total_time += (t1 - t0)
        if t1 != t0:
            print('%s scan %.1f fps  %u regions [%u/%u]' %
                  (os.path.basename(f), count / total_time, region_count,
                   scan_count, num_files))