Пример #1
0
def test_KmlPosition():
    testfile = os.path.join(os.getcwd(), 'tests', 'testdata',
                            'OBC Waypoints.kml')
    kmzpos = mav_position.KmlPosition(testfile)
    pos = kmzpos.position("MB-4")
    assert pos.lat == -26.577306 and pos.lon == 151.8403333333334
    assert pos.altitude == 0 and pos.time == 0
    assert pos.yaw == 0
Пример #2
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))
Пример #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)
Пример #4
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))