Example #1
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))
Example #2
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
Example #3
0
def process(args):
    '''process a set of files'''

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

    slipmap = mp_slipmap.MPSlipMap(service=args.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()))

    for flag in args.flag:
        a = flag.split(',')
        lat = a[0]
        lon = a[1]
        icon = 'flag.png'
        if len(a) > 2:
            icon = a[2] + '.png'
            icon = slipmap.icon(icon)
            slipmap.add_object(
                mp_slipmap.SlipIcon('icon - %s' % str(flag),
                                    (float(lat), float(lon)),
                                    icon,
                                    layer=3,
                                    rotation=0,
                                    follow=False))

    if args.mission:
        from pymavlink import mavwp
        wp = mavwp.MAVWPLoader()
        wp.load(args.mission.name)
        plist = wp.polygon_list()
        if len(plist) > 0:
            for i in range(len(plist)):
                slipmap.add_object(
                    mp_slipmap.SlipPolygon('Mission-%s-%u' %
                                           (args.mission.name, i),
                                           plist[i],
                                           layer='Mission',
                                           linewidth=2,
                                           colour=(255, 255, 255)))

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

    if args.gammalog is not None:
        gamma = parse_gamma_log(args.gammalog)
    else:
        gamma = None

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

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

    # create a simple lens model using the focal length

    if args.camera_params:
        C_params = cam_params.CameraParams.fromfile(args.camera_params.name)
    else:
        C_params = cam_params.CameraParams(lens=args.lens,
                                           sensorwidth=args.sensorwidth,
                                           xresolution=args.xresolution,
                                           yresolution=args.yresolution)

    if args.target:
        target = args.target.split(',')
    else:
        target = [0, 0, 0]

    camera_settings = MPSettings([
        MPSetting('roll_stabilised', bool, args.roll_stabilised,
                  'Roll Stabilised'),
        MPSetting('altitude',
                  int,
                  args.altitude,
                  'Altitude',
                  range=(0, 10000),
                  increment=1),
        MPSetting(
            'minalt', int, 30, 'MinAltitude', range=(0, 10000), increment=1),
        MPSetting('mpp100',
                  float,
                  0.0977,
                  'MPPat100m',
                  range=(0, 10000),
                  increment=0.001),
        MPSetting('rotate180', bool, args.rotate_180, 'rotate180'),
        MPSetting('filter_type',
                  str,
                  'compactness',
                  'Filter Type',
                  choice=['simple', 'compactness']),
        MPSetting('target_lattitude',
                  float,
                  float(target[0]),
                  'target latitude',
                  increment=1.0e-7),
        MPSetting('target_longitude',
                  float,
                  float(target[1]),
                  'target longitude',
                  increment=1.0e-7),
        MPSetting('target_radius',
                  float,
                  float(target[2]),
                  'target radius',
                  increment=1),
        MPSetting('quality',
                  int,
                  75,
                  'Compression Quality',
                  range=(1, 100),
                  increment=1),
        MPSetting('thumbsize',
                  int,
                  args.thumbsize,
                  'Thumbnail Size',
                  range=(10, 200),
                  increment=1),
        MPSetting('minscore',
                  int,
                  args.minscore,
                  '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,
                  0.05,
                  range=(0, 100),
                  increment=0.05,
                  digits=2,
                  tab='Image Processing'),
        MPSetting('MaxRegionArea',
                  float,
                  4.0,
                  range=(0, 100),
                  increment=0.1,
                  digits=1),
        MPSetting('MinRegionSize',
                  float,
                  0.02,
                  range=(0, 100),
                  increment=0.05,
                  digits=2),
        MPSetting('MaxRegionSize',
                  float,
                  3.0,
                  range=(0, 100),
                  increment=0.1,
                  digits=1),
        MPSetting('MaxRarityPct',
                  float,
                  0.02,
                  range=(0, 100),
                  increment=0.01,
                  digits=2),
        MPSetting('RegionMergeSize',
                  float,
                  1.0,
                  range=(0, 100),
                  increment=0.1,
                  digits=1),
        MPSetting('BlueEmphasis', bool, args.blue_emphasis),
        MPSetting('SaveIntermediate', bool, args.debug)
    ],
                                title='Image Settings')

    mosaic = cuav_mosaic.Mosaic(slipmap,
                                C=C_params,
                                camera_settings=camera_settings,
                                image_settings=image_settings,
                                start_menu=True,
                                classify=args.categories,
                                thumb_size=args.mosaic_thumbsize)

    joelog = cuav_joe.JoeLog(None)

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

    start_time = time.time()
    for f in files:
        if not mosaic.started():
            print("Waiting for startup")
            if args.start:
                mosaic.has_started = True
            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
            if gamma is not None:
                frame_time = parse_gamma_time(f, gamma)
            else:
                frame_time = cuav_util.parse_frame_time(f)
            frame_time += args.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 += args.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, rotate180=camera_settings.rotate180)
        if im_orig is None:
            continue
        (w, h) = cuav_util.image_shape(im_orig)

        if False:
            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 = im_orig
        im_full = numpy.ascontiguousarray(cv.GetMat(im_full))

        count = 0
        total_time = 0

        t0 = time.time()
        img_scan = im_full

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

        if pos is not None:
            (sw, sh) = cuav_util.image_shape(img_scan)
            altitude = pos.altitude
            if altitude < camera_settings.minalt:
                altitude = camera_settings.minalt
            scan_parms[
                'MetersPerPixel'] = camera_settings.mpp100 * altitude / 100.0

            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

        if pos:
            for r in regions:
                r.latlon = cuav_util.gps_position_from_image_region(
                    r, pos, w, h, altitude=altitude, C=C_params)

            if camera_settings.target_radius > 0 and pos is not None:
                regions = cuav_region.filter_radius(
                    regions, (camera_settings.target_lattitude,
                              camera_settings.target_longitude),
                    camera_settings.target_radius)

        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

        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)

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

        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 args.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))
            if args.saveview:
                cv.CvtColor(mat, mat, cv.CV_RGB2BGR)
                cv.SaveImage('view-' + os.path.basename(f), mat)

        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))
        #raw_input("hit ENTER when ready")

    print("All images processed (%u seconds)" % (time.time() - start_time))
    while True:
        # check for any events from the map
        slipmap.check_events()
        mosaic.check_events()
        time.sleep(0.2)
Example #4
0
    def view_threadfunc(self):
        '''image viewing thread - this runs on the ground station'''
        self.start_gcs_bsend()
        self.image_count = 0
        self.thumb_count = 0
        self.image_total_bytes = 0
        #jpeg_total_bytes = 0
        self.thumb_total_bytes = 0
        self.region_count = 0
        self.mosaic = None
        self.thumbs_received = set()
        # the downloaded thumbs and views are stored in a temp dir
        self.view_dir = os.path.join(self.camera_dir, "view")
        #self.thumb_dir = os.path.join(self.camera_dir, "thumb")
        cuav_util.mkdir_p(self.view_dir)
        #cuav_util.mkdir_p(self.thumb_dir)

        self.console.set_status('Images',
                                'Images %u' % self.image_count,
                                row=6)
        self.console.set_status('Regions',
                                'Regions %u' % self.region_count,
                                row=6)

        self.console.set_status('Thumbs',
                                'Thumbs %u' % self.thumb_count,
                                row=7)
        self.console.set_status('ThumbSize', 'ThumbSize %.0f' % 0.0, row=7)
        self.console.set_status('BX1', 'BX1 --', row=7)
        self.console.set_status('BX2', 'BX2 --', row=7)
        self.console.set_status('BX3', 'BX3 --', row=7)

        # give time for maps to init
        time.sleep(3)

        map2 = self.module("map2")
        map3 = self.module("map3")
        if map2:
            search_map = map2.map
        if map3:
            lz_map = map3.map

        self.mosaic = cuav_mosaic.Mosaic(
            slipmap=self.mpstate.map,
            C=self.c_params,
            camera_settings=None,
            image_settings=None,
            thumb_size=self.camera_settings.mosaic_thumbsize,
            search_map=search_map,
            lz_map=lz_map)

        while not self.unload_event.wait(0.05):
            if self.boundary_polygon is not None:
                self.mosaic.set_boundary(self.boundary_polygon)
            if self.continue_mode:
                self.reload_mosaic(self.mosaic)

            # check for keyboard events
            self.mosaic.check_events()

            self.check_requested_images(self.mosaic)
            #check for any new packets
            for bsnd in self.bsend:
                bsnd.tick(packet_count=1000,
                          max_queue=self.camera_settings.maxqueue)
                self.check_commands(bsnd)
            if self.msend is not None:
                self.msend.tick(packet_count=1000,
                                max_queue=self.camera_settings.maxqueue)
                self.check_commands(self.msend)
            self.send_heartbeats()

        #ensure the mosiac is closed at end of thread
        if self.mosaic.image_mosaic:
            self.mosaic.image_mosaic.terminate()
Example #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))
Example #6
0
def process(args):
    '''process a set of files'''

    global slipmap, mosaic
    scan_count = 0
    files = scan_image_directory(args.imagedir)
    files.sort()
    num_files = len(files)
    print("num_files=%u" % num_files)
    region_count = 0
    joes = []

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

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

    if args.mosaic:
        slipmap = mp_slipmap.MPSlipMap(service='GoogleSat', 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 args.camera_params:
            C_params = cam_params.CameraParams.fromfile(args.camera_params.name)
        else:
            im_orig = cv2.imread(files[0])
            (w,h) = cuav_util.image_shape(im_orig)
            C_params = cam_params.CameraParams(lens=args.lens, sensorwidth=args.sensorwidth, xresolution=w, yresolution=h)
        mosaic = cuav_mosaic.Mosaic(slipmap, C=C_params)
        if boundary is not None:
            mosaic.set_boundary(boundary)

    if args.joe:
        joes = cuav_util.polygon_load(args.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 args.view:
        viewer = mp_image.MPImage(title='Image')

    frame_time = 0

    scan_parms = {
        'MinRegionArea' : args.min_region_area,
        'MaxRegionArea' : args.max_region_area,
        'MinRegionSize' : args.min_region_size,
        'MaxRegionSize' : args.max_region_size,
        'MaxRarityPct'  : args.max_rarity_pct,
        'RegionMergeSize' : args.region_merge,
        'SaveIntermediate' : float(0),
        #'SaveIntermediate' : float(args.debug),
        'MetersPerPixel' : args.meters_per_pixel100 * args.altitude / 100.0
    }

    filenum = 0
        
    for f in files:
        filenum += 1
        if mpos:
            frame_time = cuav_util.parse_frame_time(f)
            try:
                if args.roll_stabilised:
                    roll = 0
                else:
                    roll = None
                pos = mpos.position(frame_time, args.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 args.mosaic:
            slipmap.check_events()
            mosaic.check_events()

        im_orig = cv2.imread(f)
        (w,h) = cuav_util.image_shape(im_orig)
        im_full = im_orig
        im_half = cv2.resize(im_orig, (0,0), fx=0.5, fy=0.5)
        im_half = numpy.ascontiguousarray(im_half)
        im_full = numpy.ascontiguousarray(im_full)

        count = 0
        total_time = 0
        if args.fullres:
            img_scan = im_full
        else:
            img_scan = im_half

        t0=time.time()
        for i in range(args.repeat):
            regions = scanner.scan(img_scan, scan_parms)
            regions = cuav_region.RegionsConvert(regions, cuav_util.image_shape(img_scan), cuav_util.image_shape(im_full))
            count += 1
        t1=time.time()

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

        if len(regions) > 0 and args.debug:
            composite = cuav_region.CompositeThumbnail(im_full, regions, thumb_size=args.thumb_size)
            thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
            thumb_num = 0
            for thumb in thumbs:
                print("thumb %u score %f" % (thumb_num, regions[thumb_num].score))
                cv2.imwrite('%u_thumb%u.jpg' % (filenum,thumb_num), thumb)
                thumb_num += 1
            
        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 args.linkjoe and len(regions) > 0:
            cuav_util.mkdir_p(args.linkjoe)
            if not cuav_util.polygon_outside((pos.lat, pos.lon), boundary):
                joepath = os.path.join(args.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=w, height=h, altitude=args.altitude, C=C_params)

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

        region_count += len(regions)

        if args.mosaic and len(regions) > 0 and pos:
            composite = cuav_region.CompositeThumbnail(im_full, regions)
            thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
            mosaic.add_regions(regions, thumbs, f, pos)

        if args.view:
            if args.fullres:
                img_view = im_full
            else:
                img_view = img_scan
            #mat = cv.fromarray(img_view)
            for r in regions:
                r.draw_rectangle(img_view, colour=(255,0,0), linewidth=min(max(w/600,1),3), offset=max(w/200,1))
            img_view = cv2.cvtColor(img_view, cv2.COLOR_BGR2RGB)
            viewer.set_image(img_view)

        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))
Example #7
0
def test_Mosaic():
    #slipmap = mp_slipmap.MPSlipMap(service='GoogleSat', elevation=True, title='Map')
    #mocked_slipmap.return_value = 1
    #monkeypatch.setattr('slipmap', lambda x: 1)
    mocked_slipmap = mock.MagicMock(return_value=1)
    C_params = CameraParams(lens=4.0, sensorwidth=5.0, xresolution=1280, yresolution=960)
    mosaic = cuav_mosaic.Mosaic(mocked_slipmap, C=C_params)
    mosaic.set_mosaic_size((200, 200))
    assert mosaic.mosaic.shape == (175, 175, 3)
    
    f = os.path.join(os.getcwd(), 'tests', 'testdata', 'raw2016111223465120Z.png')
    img = cv2.imread(f)
    pos = mav_position.MavPosition(-30, 145, 34.56, 20, -56.67, 345, frame_time=1478994408.76)
    regions = []
    regions.append(cuav_region.Region(1020, 658, 1050, 678, (30, 30), scan_score=20))
    regions.append(cuav_region.Region(30, 54, 50, 74, (20, 20), scan_score=15))
    regions.append(cuav_region.Region(30, 54, 55, 79, (25, 25), scan_score=10))
    for i in range(40):
        regions.append(cuav_region.Region(200, 600, 220, 620, (20, 20), scan_score=45))
    composite = cuav_region.CompositeThumbnail(img, regions)
    thumbs = cuav_mosaic.ExtractThumbs(composite, len(regions))
    mosaic.add_regions(regions, thumbs, f, pos)
    mosaic.add_image(1478994408.76, f, pos)
    
    mosaic.show_region(0)

    mosaic.view_imagefile(f)
    
    
    assert mosaic.find_image_idx(f) == 0
    mosaic.view_imagefile_by_idx(0)
    
    mocked_key = mock.MagicMock(return_value=1)
    mocked_key.objkey = "region 1"
    assert mosaic.show_selected(mocked_key) == True
    
    mosaic.show_closest((-30, 145), mocked_key)
    
    mosaic.view_image.terminate()
    
    #mosaic.map_menu_callback
    
    #mosaic.map_callback
    
    OBC_boundary = cuav_util.polygon_load(os.path.join(os.getcwd(), 'tests', 'testdata', 'OBC_boundary.txt'))
    mosaic.set_boundary(OBC_boundary)
    
    mosaic.change_page(1)
    mosaic.hide_page()
    assert len(mosaic.regions_sorted) == 25
    mosaic.unhide_all()
    assert len(mosaic.regions_sorted) == 43
    
    for i in ['Score', 'ScoreReverse', 'Distinctiveness', 'Whiteness', 'Time']:
        mosaic.sort_type = i
        mosaic.re_sort()
    
    #mosaic.menu_event
    
    assert mosaic.started() == True
    
    mosaic.popup_show_image(mosaic.regions[2])
    
    mosaic.popup_fetch_image(mosaic.regions[2], 'fetchImageFull')
    
    assert len(mosaic.get_image_requests()) == 1
    
    mosaic.view_image.terminate()
    
    #mosaic.menu_event_view
    
    mocked_pos = mock.MagicMock(return_value=1)
    mocked_pos.x = 10
    mocked_pos.y = 10
    assert mosaic.pos_to_region(mocked_pos) == mosaic.regions[0]
    
    assert mosaic.objkey_to_region(mocked_key) == mosaic.regions[1]
    
    #mosaic.mouse_event
    
    #mosaic.mouse_event_view
    
    mosaic.key_event(1)
    
    assert mosaic.region_on_page(2, 0) == True
    assert mosaic.region_on_page(2000, 20) == False
    
    mosaic.mouse_region = mosaic.regions[0]
    mosaic.display_mosaic_region(0)
    
    mosaic.redisplay_mosaic()
    
    assert mosaic.make_thumb(img, regions[0], 8).shape == (8, 8, 3)
    assert mosaic.make_thumb(img, regions[0], 30).shape == (30, 30, 3)
    
    mosaic.tag_image(1478994408.76)
    
    #mosaic.check_events
    
    mosaic.image_mosaic.terminate()
Example #8
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))