def debayer(filename, show=True): '''debayer an image''' pgm = cuav_util.PGM(filename) img = numpy.zeros((960,1280,3),dtype='uint8') if opts.gamma != 0: img8 = numpy.zeros((960,1280,1),dtype='uint8') scanner.gamma_correct(pgm.array, img8, opts.gamma) else: img8 = pgm.array scanner.debayer(img8, img) color_img = cv.CreateImageHeader((1280, 960), 8, 3) cv.SetData(color_img, img) if opts.half: half_img = cv.CreateImage((640,480), 8, 3) cv.Resize(color_img, half_img) color_img = half_img cv.ConvertScale(color_img, color_img, scale=opts.brightness) if show: cv.ShowImage('Bayer', color_img) return (color_img, pgm)
def debayer(filename, show=True): '''debayer an image''' pgm = cuav_util.PGM(filename) img = numpy.zeros((960, 1280, 3), dtype='uint8') if opts.gamma != 0: img8 = numpy.zeros((960, 1280, 1), dtype='uint8') scanner.gamma_correct(pgm.array, img8, opts.gamma) else: img8 = pgm.array scanner.debayer(img8, img) color_img = cv.CreateImageHeader((1280, 960), 8, 3) cv.SetData(color_img, img) if opts.half: half_img = cv.CreateImage((640, 480), 8, 3) cv.Resize(color_img, half_img) color_img = half_img cv.ConvertScale(color_img, color_img, scale=opts.brightness) if show: cv.ShowImage('Bayer', color_img) return (color_img, pgm)
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))