Esempio n. 1
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    def lfp_extract(self):

        # export light field data
        exp_obj = lfp_extractor.LfpExtractor(self.lfp_img_align, self.cfg,
                                             self.sta)
        exp_obj.main()
        del exp_obj
Esempio n. 2
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def main():

    # program info
    print("\nPlenoptiCam v%s \n" % __version__)

    # create config object
    cfg = PlenopticamConfig()
    cfg.default_values()

    # parse options
    cfg = parse_options(sys.argv[1:], cfg)

    # instantiate status object
    sta = misc.PlenopticamStatus()
    sta.bind_to_interrupt(sys.exit)  # set interrupt

    # force relative paths to be absolute
    cfg.params[cfg.lfp_path] = os.path.abspath(cfg.params[cfg.lfp_path])
    cfg.params[cfg.cal_path] = os.path.abspath(cfg.params[cfg.cal_path])

    # collect light field image file name(s) based on provided path
    if os.path.isdir(cfg.params[cfg.lfp_path]):
        lfp_filenames = [
            f for f in os.listdir(cfg.params[cfg.lfp_path])
            if f.lower().endswith(SUPP_FILE_EXT)
        ]
        cfg.params[cfg.lfp_path] = os.path.join(cfg.params[cfg.lfp_path],
                                                'dummy.ext')
    elif not os.path.isfile(cfg.params[cfg.lfp_path]):
        lfp_filenames = [
            misc.select_file(cfg.params[cfg.lfp_path],
                             'Select plenoptic image')
        ]
    else:
        lfp_filenames = [cfg.params[cfg.lfp_path]]

    if not cfg.params[cfg.cal_path]:
        # manual calibration data selection
        sta.status_msg(
            '\r Please select white image calibration source manually',
            cfg.params[cfg.opt_prnt])
        # open selection window (at current lfp file directory) to set calibration folder path
        cfg.params[cfg.cal_path] = misc.select_file(
            cfg.params[cfg.lfp_path], 'Select calibration image')

    # provide number of found images to user
    print("\n %s Image(s) found" % len(lfp_filenames))

    # cancel if file paths not provided
    sta.validate(checklist=lfp_filenames + [cfg.params[cfg.lfp_path]],
                 msg='Canceled due to missing image file path')

    # iterate through light field image(s)
    for lfp_filename in sorted(lfp_filenames):

        # change path to next filename
        cfg.params[cfg.lfp_path] = os.path.join(
            os.path.dirname(cfg.params[cfg.lfp_path]), lfp_filename)
        print(cfg.params[cfg.lfp_path])
        sta.status_msg(msg='Process file ' + lfp_filename,
                       opt=cfg.params[cfg.opt_prnt])

        # remove output folder if option is set
        misc.rmdir_p(cfg.exp_path) if cfg.params[cfg.dir_remo] else None

        try:
            # decode light field image
            lfp_obj = lfp_reader.LfpReader(cfg, sta)
            lfp_obj.main()
            lfp_img = lfp_obj.lfp_img
            del lfp_obj
        except Exception as e:
            misc.PlenopticamError(e)
            continue
        # create output data folder
        misc.mkdir_p(cfg.exp_path, cfg.params[cfg.opt_prnt])

        if cfg.cond_auto_find():
            # automatic calibration data selection
            obj = lfp_calibrator.CaliFinder(cfg, sta)
            obj.main()
            wht_img = obj.wht_bay
            del obj

        else:
            # load white image calibration file
            wht_img = misc.load_img_file(cfg.params[cfg.cal_path])
            # save settings configuration
            cfg.save_params()

        # perform calibration if previously computed calibration data does not exist
        meta_cond = not (os.path.exists(cfg.params[cfg.cal_meta])
                         and cfg.params[cfg.cal_meta].lower().endswith('json'))
        if meta_cond or cfg.params[cfg.opt_cali]:
            # perform centroid calibration
            cal_obj = lfp_calibrator.LfpCalibrator(wht_img, cfg, sta)
            cal_obj.main()
            cfg = cal_obj.cfg
            del cal_obj

        # load calibration data
        cfg.load_cal_data()

        #  check if light field alignment has been done before
        if cfg.cond_lfp_align():
            # align light field
            lfp_obj = lfp_aligner.LfpAligner(lfp_img, cfg, sta, wht_img)
            lfp_obj.main()
            lfp_obj = lfp_obj.lfp_img
            del lfp_obj

        # load previously computed light field alignment
        with open(os.path.join(cfg.exp_path, 'lfp_img_align.pkl'), 'rb') as f:
            lfp_img_align = pickle.load(f)

        # extract viewpoint data
        lfp_calibrator.CaliFinder(cfg).main()
        obj = lfp_extractor.LfpExtractor(lfp_img_align, cfg=cfg, sta=sta)
        obj.main()
        vp_img_arr = obj.vp_img_arr
        del obj

        # do refocusing
        if cfg.params[cfg.opt_refo]:
            obj = lfp_refocuser.LfpRefocuser(vp_img_arr, cfg=cfg, sta=sta)
            obj.main()
            del obj

    return True
Esempio n. 3
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# load calibration data
cfg.load_cal_data()

if cfg.cond_lfp_align():
    # align light field
    lfp_obj = lfp_aligner.LfpAligner(lfp_img, cfg, sta, wht_img)
    lfp_obj.main()
    lfp_obj = lfp_obj.lfp_img
    del lfp_obj

# load previously computed light field alignment
with open(os.path.join(cfg.exp_path, 'lfp_img_align.pkl'), 'rb') as f:
    lfp_img_align = pickle.load(f)


start = time.time()

# extract viewpoint data
lfp_calibrator.CaliFinder(cfg).main()
obj = lfp_extractor.LfpExtractor(lfp_img_align, cfg=cfg, sta=sta)
obj.main()
vp_img_arr = obj.vp_img_arr
del obj

end = time.time()
print(str(end-start))

# for nLens in range(1,39):
#     plt.imshow(vp_img_arr[:,:,nLens,1,0])
#     plt.show()
Esempio n. 4
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def main():

    # create config object
    cfg = PlenopticamConfig()
    cfg.default_values()
    cfg.reset_values()

    # parse options
    cfg = parse_options(sys.argv[1:], cfg)

    # instantiate status object
    sta = misc.PlenopticamStatus()
    sta.bind_to_interrupt(sys.exit)  # set interrupt

    # select light field image(s) considering provided folder or file
    if os.path.isdir(cfg.params[cfg.lfp_path]):
        lfp_filenames = [
            f for f in os.listdir(cfg.params[cfg.lfp_path])
            if f.lower().endswith(SUPP_FILE_EXT)
        ]
    elif not os.path.isfile(cfg.params[cfg.lfp_path]):
        lfp_filenames = [
            misc.select_file(cfg.params[cfg.lfp_path],
                             'Select plenoptic image')
        ]
    else:
        lfp_filenames = [cfg.params[cfg.lfp_path]]

    if not cfg.params[cfg.cal_path]:
        # open selection window (at current lfp file directory) to set calibration folder path
        cfg.params[cfg.cal_path] = misc.select_file(
            cfg.params[cfg.lfp_path], 'Select calibration image')

    # cancel if file paths not provided
    sta.validate(checklist=lfp_filenames + [cfg.params[cfg.lfp_path]],
                 msg='Canceled due to missing image file path')

    # iterate through light field image(s)
    for lfp_filename in lfp_filenames:

        # change path to next filename
        cfg.params[cfg.lfp_path] = os.path.join(
            os.path.dirname(cfg.params[cfg.lfp_path]), lfp_filename)
        sta.status_msg(msg=cfg.params[cfg.lfp_path],
                       opt=cfg.params[cfg.opt_prnt])

        try:
            # decode light field image
            lfp_obj = lfp_reader.LfpReader(cfg, sta, cfg.params[cfg.lfp_path])
            lfp_obj.main()
            lfp_img = lfp_obj.lfp_img
            del lfp_obj
        except Exception as e:
            misc.PlenopticamError(e)
            continue

        # create output data folder
        misc.mkdir_p(cfg.exp_path, cfg.params[cfg.opt_prnt])

        if cfg.cond_auto_find:
            # automatic calibration data selection
            obj = lfp_calibrator.CaliFinder(cfg, sta)
            obj.main()
            wht_img = obj.wht_img
            del obj

        else:
            # manual calibration data selection
            sta.status_msg(
                '\r Please select white image calibration source manually',
                cfg.params[cfg.opt_prnt])
            # load white image calibration file
            wht_img = misc.load_img_file(cfg.params[cfg.cal_path])
            # save settings configuration
            cfg.save_params()

        # perform calibration if previously computed calibration data does not exist
        meta_cond = not (os.path.exists(cfg.params[cfg.cal_meta])
                         and cfg.params[cfg.cal_meta].lower().endswith('json'))
        if meta_cond or cfg.params[cfg.opt_cali]:
            # perform centroid calibration
            cal_obj = lfp_calibrator.LfpCalibrator(wht_img, cfg, sta)
            cal_obj.main()
            cfg = cal_obj.cfg
            del cal_obj

        # load calibration data
        cfg.load_cal_data()

        #  check if light field alignment has been done before
        if cfg.cond_lfp_align:
            # align light field
            lfp_obj = lfp_aligner.LfpAligner(lfp_img, cfg, sta, wht_img)
            lfp_obj.main()
            lfp_obj = lfp_obj.lfp_img
            del lfp_obj

        # load previously computed light field alignment
        with open(os.path.join(cfg.exp_path, 'lfp_img_align.pkl'), 'rb') as f:
            lfp_img_align = pickle.load(f)

        # export light field data
        lfp_calibrator.CaliFinder(cfg).main()
        exp_obj = lfp_extractor.LfpExtractor(lfp_img_align, cfg)
        exp_obj.main()
        del exp_obj
Esempio n. 5
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def main():

    # parse options
    cfg = parse_options(sys.argv[1:])

    # instantiate status object
    sta = misc.PlenopticamStatus()
    sta.bind_to_interrupt(sys.exit)     # set interrupt

    # set calibration folder path
    cfg.params[cfg.cal_path] = "/Users/Admin/Pictures/Lytro_Illum/CalibFolder"

    # select light field image
    cfg.params[cfg.lfp_path] = misc.select_file(cfg.params[cfg.lfp_path], 'Select plenoptic image')

    # decode light field image
    lfp_obj = lfp_reader.LfpReader(cfg, sta, cfg.params[cfg.lfp_path])
    lfp_obj.main()
    lfp_img = lfp_obj.lfp_img
    del lfp_obj

    # create output data folder
    misc.mkdir_p(cfg.params[cfg.lfp_path].split('.')[0], cfg.params[cfg.opt_prnt])

    #  check if light field alignment has been done before
    if not os.path.exists(os.path.join(cfg.params[cfg.lfp_path].split('.')[0], 'lfp_img_align.pkl')):

        # manual calibration data selection
        sta.status_msg('\r Please select white image calibration source manually', cfg.params[cfg.opt_prnt])

        # open selection window (at directory where current lfp file is located)
        cfg.params[cfg.cal_path] = misc.select_file(cfg.params[cfg.lfp_path])

        if os.path.isdir(cfg.params[cfg.cal_path]) or cfg.params[cfg.cal_path].endswith('.tar'):
            # automatic calibration data selection
            obj = lfp_calibrator.CaliFinder(cfg, sta)
            obj.main()
            wht_img = obj.wht_img
            del obj
        else:
            # load white image calibration file
            wht_img = misc.load_img_file(cfg.params[cfg.cal_path])

            # save settings configuration
            cfg.save_params()

        # perform calibration if previously computed calibration data does not exist
        meta_cond = not (os.path.exists(cfg.params[cfg.cal_meta]) and cfg.params[cfg.cal_meta].endswith('json'))
        if meta_cond or cfg.params[cfg.opt_cali]:

            # perform centroid calibration
            cal_obj = lfp_calibrator.LfpCalibrator(wht_img, cfg, sta)
            cal_obj.main()
            cfg = cal_obj.cfg
            del cal_obj

        # load calibration data
        cfg.load_cal_data()

        # align light field
        lfp_obj = lfp_aligner.LfpAligner(lfp_img, cfg, sta, wht_img)
        lfp_obj.main()
        lfp_obj = lfp_obj.lfp_img
        del lfp_obj

    # load previously computed light field alignment
    lfp_img_align = pickle.load(open(os.path.join(cfg.params[cfg.lfp_path].split('.')[0], 'lfp_img_align.pkl'), 'rb'))

    # export light field data
    exp_obj = lfp_extractor.LfpExtractor(lfp_img_align, cfg)
    exp_obj.main()
    del exp_obj