コード例 #1
0
    def test_gendataset(self, tmpdir, ringwidth):
        amt = 10
        zeropad = 2
        outhead = str(tmpdir.join('gentest'))

        igen.GenDataset(self.img, self.craters, outhead,
                        rawlen_range=[300, 1000], rawlen_dist='log',
                        ilen=self.imlen, tglen=self.imlen, cdim=self.cdim,
                        minpix=1, ringwidth=ringwidth, amt=amt, istart=0,
                        seed=self.seed)

        imgs_h5 = h5py.File(outhead + '_images.hdf5', 'r')
        craters_h5 = pd.HDFStore(outhead + '_craters.hdf5', 'r')

        for i in range(amt):
            # Find image number.
            img_number = "img_{i:0{zp}d}".format(i=i, zp=zeropad)

            # Load box.
            box = np.array(imgs_h5['pix_bounds'][img_number][...])

            im = self.img.crop(box)
            im.load()

            # Obtain long/lat bounds for coordinate transform.
            ix = box[::2]
            iy = box[1::2]
            llong, llat = trf.pix2coord(ix, iy, self.cdim, list(self.img.size),
                                        origin='upper')
            llbd = np.r_[llong, llat[::-1]]

            # Downsample image.
            im = im.resize([self.imlen, self.imlen], resample=Image.NEAREST)

            # Remove all craters that are too small to be seen in image.
            ctr_sub = igen.ResampleCraters(self.craters, llbd, im.size[1],
                                           minpix=1)

            # Convert Plate Carree to Orthographic.
            [imgo, ctr_xy, distortion_coefficient, clonglat_xy] = (
                igen.PlateCarree_to_Orthographic(
                    im, llbd, ctr_sub, iglobe=self.iglobe, ctr_sub=True,
                    slivercut=0.5))
            imgo_arr = np.asanyarray(imgo)

            # Make target mask.
            tgt = np.asanyarray(imgo.resize((self.imlen, self.imlen),
                                            resample=Image.BILINEAR))
            mask = igen.make_mask(ctr_xy, tgt, binary=True, rings=True,
                                  ringwidth=ringwidth, truncate=True)

            assert np.all(imgo_arr == imgs_h5['input_images'][i, ...])
            assert np.all(mask == imgs_h5['target_masks'][i, ...])
            assert np.all(llbd == imgs_h5['longlat_bounds'][img_number][...])
            assert (distortion_coefficient ==
                    imgs_h5['pix_distortion_coefficient'][img_number][0])
            assert np.all(clonglat_xy[["x", "y"]] ==
                          imgs_h5['cll_xy'][img_number][...])
            assert np.all(ctr_xy == craters_h5[img_number])

        imgs_h5.close()
        craters_h5.close()
コード例 #2
0
    # Sample subset of image.  Co-opt igen.ResampleCraters to remove all
    # craters beyond cdim (either sub or source).
    if sub_cdim != source_cdim:
        img = igen.InitialImageCut(img, source_cdim, sub_cdim)
    # This always works, since sub_cdim < source_cdim.
    craters = igen.ResampleCraters(craters, sub_cdim, None, arad=R_km)

    # Generate input images.
    igen.GenDataset(img,
                    craters,
                    outhead,
                    rawlen_range=rawlen_range,
                    rawlen_dist=rawlen_dist,
                    ilen=ilen,
                    cdim=sub_cdim,
                    arad=R_km,
                    minpix=minpix,
                    tglen=tglen,
                    binary=True,
                    rings=True,
                    ringwidth=ringwidth,
                    truncate=truncate,
                    amt=amt,
                    istart=istart,
                    verbose=verbose)

    elapsed_time = time.time() - start_time
    if verbose:
        print("Time elapsed: {0:.1f} min".format(elapsed_time / 60.))
コード例 #3
0
def main():
    pdb.set_trace()
    zenodo_path = './data/'
    deepmoon_path = os.path.dirname(os.getcwd())
    train_imgs = h5py.File(zenodo_path + 'train_images.hdf5', 'r')
    fig = plt.figure(figsize=[12, 6])
    [ax1, ax2] = fig.subplots(1, 2)
    ax1.imshow(train_imgs['input_images'][3][...],
               origin='upper',
               cmap='Greys_r',
               vmin=120,
               vmax=200)
    ax2.imshow(train_imgs['target_masks'][3][...],
               origin='upper',
               cmap='Greys_r')
    plt.show()

    ctrs = pd.HDFStore(zenodo_path + 'train_craters.hdf5', 'r')

    # pdb.set_trace()

    Image.MAX_IMAGE_PIXELS = None
    img = Image.open(zenodo_path +
                     "/LunarLROLrocKaguya_118mperpix.png").convert("L")
    # Read and combine the LROC and Head datasets (stored under ../catalogues)
    craters = igen.ReadLROCHeadCombinedCraterCSV(
        filelroc="catalogues/LROCCraters.csv",
        filehead="catalogues/HeadCraters.csv")

    # Generate 100 image/target sets, and corresponding crater dataframes.  np.random.seed is set for consistency.
    igen.GenDataset(img,
                    craters,
                    zenodo_path + '/test_zenodo',
                    amt=25,
                    seed=1337)

    gen_imgs = h5py.File(zenodo_path + '/test_zenodo_images.hdf5', 'r')
    sample_data = {
        'imgs': [
            gen_imgs['input_images'][...].astype('float32'),
            gen_imgs['target_masks'][...].astype('float32')
        ]
    }
    proc.preprocess(
        sample_data
    )  #now, input images is shape 25 x 256 x 256 x 1, target_masks is shape 25 x 256 x 256

    sd_input_images = sample_data['imgs'][0]  #25 x 256 x 256 x 1
    sd_target_masks = sample_data['imgs'][1]  #25 x 256 x 256p

    # Plot the data for fun.
    fig = plt.figure(figsize=[12, 6])
    [ax1, ax2] = fig.subplots(1, 2)
    ax1.imshow(sd_input_images[5].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[5].squeeze(), origin='upper', cmap='Greys_r')
    plt.savefig("plots/processed_image_and_mask1.png")

    fig = plt.figure(figsize=[12, 6])
    [ax1, ax2] = fig.subplots(1, 2)
    ax1.imshow(sd_input_images[8].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[8].squeeze(), origin='upper', cmap='Greys_r')
    plt.savefig("plots/processed_image_and_mask2.png")

    fig = plt.figure(figsize=[12, 6])
    [ax1, ax2] = fig.subplots(1, 2)
    ax1.imshow(sd_input_images[12].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[12].squeeze(), origin='upper', cmap='Greys_r')
    plt.savefig("plots/processed_image_and_mask3.png")

    fig = plt.figure(figsize=[12, 6])
    [ax1, ax2] = fig.subplots(1, 2)
    ax1.imshow(sd_input_images[16].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[16].squeeze(), origin='upper', cmap='Greys_r')
    plt.savefig("plots/processed_image_and_mask4.png")

    sample_images = train_imgs['input_images'][0:20]
    sample_masks = train_imgs['target_masks'][0:20]

    pdb.set_trace()
    model = load_model('models/model_30k.h5')

    #### TEST CRATERS
    test_imgs = h5py.File(zenodo_path + '/test_images.hdf5', 'r')

    test_data = {
        'imgs': [
            test_imgs['input_images'][...].astype('float32'),
            test_imgs['target_masks'][...].astype('float32')
        ]
    }
    proc.preprocess(test_data)
    sd_input_images = test_data['imgs'][0]
    sd_target_masks = test_data['imgs'][1]

    iwant = 3
    pred = model.predict(sd_input_images[iwant:iwant + 1])
    extracted_rings = tmt.template_match_t(
        pred[0].copy(), minrad=2.)  # x coord, y coord, radius

    fig = plt.figure(figsize=[16, 16])
    [[ax1, ax2], [ax3, ax4]] = fig.subplots(2, 2)
    ax1.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r')
    ax3.imshow(pred[0], origin='upper', cmap='Greys_r', vmin=0, vmax=1)
    ax4.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap="Greys_r")
    for x, y, r in extracted_rings:
        circle = plt.Circle((x, y),
                            r,
                            color='blue',
                            fill=False,
                            linewidth=2,
                            alpha=0.5)
        ax4.add_artist(circle)
    ax1.set_title('Moon DEM Image')
    ax2.set_title('Ground-Truth Target Mask')
    ax3.set_title('CNN Predictions')
    ax4.set_title('Post-CNN Craters')
    plt.savefig("plots/trained_model_results1.png")

    iwant = 6
    pred = model.predict(sd_input_images[iwant:iwant + 1])
    extracted_rings = tmt.template_match_t(
        pred[0].copy(), minrad=2.)  # x coord, y coord, radius

    fig = plt.figure(figsize=[16, 16])
    [[ax1, ax2], [ax3, ax4]] = fig.subplots(2, 2)
    ax1.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r')
    ax3.imshow(pred[0], origin='upper', cmap='Greys_r', vmin=0, vmax=1)
    ax4.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap="Greys_r")
    for x, y, r in extracted_rings:
        circle = plt.Circle((x, y),
                            r,
                            color='blue',
                            fill=False,
                            linewidth=2,
                            alpha=0.5)
        ax4.add_artist(circle)
    ax1.set_title('Moon DEM Image')
    ax2.set_title('Ground-Truth Target Mask')
    ax3.set_title('CNN Predictions')
    ax4.set_title('Post-CNN Craters')
    plt.savefig("plots/trained_model_results2.png")

    iwant = 13
    pred = model.predict(sd_input_images[iwant:iwant + 1])
    extracted_rings = tmt.template_match_t(
        pred[0].copy(), minrad=2.)  # x coord, y coord, radius

    fig = plt.figure(figsize=[16, 16])
    [[ax1, ax2], [ax3, ax4]] = fig.subplots(2, 2)
    ax1.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r',
               vmin=0,
               vmax=1.1)
    ax2.imshow(sd_target_masks[iwant].squeeze(),
               origin='upper',
               cmap='Greys_r')
    ax3.imshow(pred[0], origin='upper', cmap='Greys_r', vmin=0, vmax=1)
    ax4.imshow(sd_input_images[iwant].squeeze(),
               origin='upper',
               cmap="Greys_r")
    for x, y, r in extracted_rings:
        circle = plt.Circle((x, y),
                            r,
                            color='blue',
                            fill=False,
                            linewidth=2,
                            alpha=0.5)
        ax4.add_artist(circle)
    ax1.set_title('Moon DEM Image')
    ax2.set_title('Ground-Truth Target Mask')
    ax3.set_title('CNN Predictions')
    ax4.set_title('Post-CNN Craters')
    plt.savefig("plots/trained_model_results3.png")