python source code of check_channel

imgaug-master
- .github
  - workflows
    - test_pull_requests.yml
    - test_master.yml
    - build_wheels.yml
- readthedocs.yml
- codecov.yml
- LICENSE
- test
  - run_tests.sh
  - test_random.py
  - test_imgaug.py
  - run_doctests.sh
  - test_data.py
  - test_parameters.py
  - augmentables
    - test_utils.py
    - test_batches.py
    - test_bbs.py
    - test_polys.py
    - test_heatmaps.py
    - test_segmaps.py
    - test_kps.py
    - test_normalization.py
    - test_lines.py
  - test_multicore.py
  - requirements.txt
  - test_dtypes.py
  - augmenters
    - test_color.py
    - test_pooling.py
    - test_imgcorruptlike.py
    - test_collections.py
    - test_segmentation.py
    - test_artistic.py
    - test_mixed_files.py
    - test_weather.py
    - test_overlay.py
    - test_edges.py
    - test_blur.py
    - test_flip.py
    - test_debug.py
    - test_convolutional.py
    - test_pillike.py
    - test_contrast.py
    - test_blend.py
- CHANGELOG.md
- changelogs
  - v0.3.0.summary.md
  - v0.4.0.summary.md
  - master
    - changed
      - 20200522_limit_dtype_support_alphablend.md
      - 20200222_shape_handling.md
    - fixed
      - 20200412_fix_change_color_temperature.md
      - 20200225_fix_imageio.md
      - 20200525_fix_affine_cval_float.md
      - 20200522_fix_mac_multiprocessing.md
      - 20200522_fix_pad_f128.md
      - 20200522_fix_blend_alpha_f128.md
      - 20200521_fix_skimage_slic_warning.md
      - 20200522_fix_permission_denied.md
      - 20200217_legacy_kp_aug_fallback.md
      - 20200601_fix_affine_skimage_order_0.md
    - improved
      - 20200216_add_elementwise_performance.md
      - 20200223_blur_avg.md
      - 20200211_improve_performance_add.md
      - 20200229_convolve.md
      - 20200308_prefetching.md
      - 20200521_improved_cicd_testing.md
      - 20200223_faster_elastic_tf.md
      - 20200315_segment_replacement.md
      - 20200221_reworked_pooling.md
      - 20200517_faster_dtype_checks.md
      - 20200216_improved_mul_elementwise_perf.md
      - 20200217_vectorize_cropandpad.md
      - 20200229_faster_invert.md
      - 20200522_tests_f128.md
      - 20200213_improved_blend_performance.md
      - 20200413_frequency_noise.md
      - 20200530_glass_blur_perf.md
      - 20200216_improve_multiply_scalar_perf.md
    - refactored
      - 20200314_affine.md
      - 20200223_blur_gaussian.md
    - 20200206_data_module.md
  - v0.2.9.summary.md
  - 0.3.0
    - v0.3.0.uncleaned.md
    - v0.3.0.cleaned.md
  - 0.4.0
    - 20200126_python38.md
    - 20191026_reworked_quantization.md
    - 20191610_crop_and_pad.md
    - deprecated
      - 20191230_deprecate_affinecv2.md
      - 20190926_rename_inplace.md
    - changed
      - 20200115_changed_defaults.md
      - 20200112_simplified_augmenter_args.md
      - 20191110_affine_translation_precision.md
      - 20191128_affine_translate.md
      - 20191230_dont_import_msgs.md
      - 20200103_standardized_shift_interfaces.md
      - 20200125_any_opencv_accepted.md
      - 20190929_rngs_polygon_recoverer.md
    - 20191016_pooling_affects_maps.md
    - 20191113_iterable_augmentables.md
    - 20191027_improve_invert.md
    - 20191003_reworked_aug_methods.md
    - 20191111_pickleable.md
    - added
      - 20191117_debug_images.md
      - 20191221_inplace_cba_methods.md
      - 20191016_dropout2d.md
      - 20191218_imagecorruptions.md
      - 20191106_ooi_removal.md
      - 20190927_unwrapped_bb_aug.md
      - 20191027_jigsaw.md
      - 20191101_deterministic_list.md
      - 20191103_affine_shear_y.md
      - 20191102_autocontrast.md
      - 20200102_cbasoi_getitem.md
      - 20191023_mean_shift_blur.md
      - 20191020_cartoon.md
      - 20191110_withpolarwarping.md
      - 20191014_brightness_augmenters.md
      - 20191002_unwrapped_ls_aug.md
      - 20200106_randaugment.md
      - 20191110_bb_polygon_conversion.md
      - 20191019_colorwise_grayscaling.md
      - 20200101_bb_label_drawing.md
      - 20191117_pad_multi_cval.md
      - 20191103_equalize.md
      - 20191220_cutout.md
      - 20191105_affine_wrappers.md
      - 20200105_discretize_round.md
      - 20191224_pil_module.md
      - 20191103_identity.md
      - 20191230_standardized_lut.md
      - 20200125_image_warnings.md
      - 20191013_change_color_temperature.md
      - 20191110_polygon_subdivision.md
      - 20200106_rain.md
    - fixed
      - 20191110_fixed_affine_map_aug.md
      - 20191106_fixed_random_state_funcs_missing.md
      - 20191124_fixed_cloud_layer_float.md
      - 20191111_multiplyhueandsaturation_rng.md
      - 20191111_fixed_snowflakeslayer_crash.md
      - 20191003_fixed_image_normalization.md
      - 20191218_fixed_fromfunction_deprecated.md
      - 20200126_shapely_17a2.md
      - 20190926_fixed_resize_dtype.md
      - 20191128_fixed_hanging_nixos.md
      - 20190929_fixed_assert_is_iterable_of.md
      - 20191128_fixed_affine_translate.md
      - 20191217_collections_abc.md
      - 20200122_fix_keepsizebyresize.md
      - 20200110_fixed_seed.md
      - 20200118_perspt_inaccuracy.md
      - 20191222_fixed_numpy_1_18.md
      - 20191223_fixed_opencv_multicore_aug_hanging.md
      - 20200111_fixed_elastic_transformation_cval.md
      - 20200113_fixed_weather_randomness.md
      - 20191006_fixed_withchannels_alignment.md
      - 20190928_fixed_type_val.md
      - 20190928_fixed_affine_coords_aug.md
      - 20191003_fixed_typo.md
      - 20190928_fixed_pwa_empty_kps_unaligned.md
    - renamed
      - 20190926_rename_inplace.md
    - 20191610_perspective_transform.md
    - 20200107_improved_blending.md
    - refactored
      - 20191124_pylint.md
      - 20200111_opencv_normalization.md
  - v0.2.8.summary.md
- .pylintrc
- setup.py
- bandit.yml
- setup.cfg
- .travis.yml
- README.md
- pytest.ini
- requirements.txt
- imgaug
  - data.py
  - quokka_annotations.json
  - parameters.py
  - random.py
  - testutils.py
  - validation.py
  - external
    - opensimplex.py
    - poly_point_isect_py3.py.bak
    - poly_point_isect_py2py3.py
    - __init__.py
    - README.md
  - imgaug.py
  - augmentables
    - segmaps.py
    - lines.py
    - batches.py
    - heatmaps.py
    - kps.py
    - normalization.py
    - polys.py
    - __init__.py
    - utils.py
    - bbs.py
    - base.py
  - __init__.py
  - multicore.py
  - dtypes.py
  - augmenters
    - convolutional.py
    - edges.py
    - weather.py
    - blend.py
    - imgcorruptlike.py
    - overlay.py
    - artistic.py
    - collections.py
    - color.py
    - pooling.py
    - __init__.py
    - segmentation.py
    - flip.py
    - contrast.py
    - debug.py
    - pillike.py
    - blur.py
    - base.py
- .codacy.yml
- .gitignore
- MANIFEST.in
- checks
  - check_brightness.py
  - check_laplace_noise.py
  - check_fog.py
  - check_average_blur.py
  - check_withcolorspace.py
  - check_randaugment.py
  - check_remove_saturation.py
  - check_piecewise_affine.py
  - check_perspective_transform.py
  - check_superpixels.py
  - check_multicore_pool.py
  - check_readme_examples.py
  - check_snowflakes.py
  - check_mean_shift_blur.py
  - check_segmentation_maps.py
  - check_some_of.py
  - check_quantize_uniform_to_n_bits.py
  - check_affinecv2.py
  - check_motion_blur.py
  - check_heatmaps.py
  - check_polygons_stay_valid_during_augmentation.py
  - check_contrast.py
  - check_affine.py
  - check_add_to_hue_and_saturation.py
  - check_rot90.py
  - check_single_image_warning.py
  - check_cutout.py
  - check_uniform_color_quantization.py
  - check_seed.py
  - check_voronoi.py
  - check_imshow.py
  - check_kmeans_color_quantization.py
  - check_rain.py
  - check_pooling.py
  - check_elastic_transformation.py
  - check_blendalphasomecolors.py
  - check_noise.py
  - check_with_hue_and_saturation.py
  - check_cartoon.py
  - check_jpeg_compression.py
  - check_deprecation_warning.py
  - check_bilateral_blur.py
  - check_clouds.py
  - check_median_blur.py
  - check_impulse_noise.py
  - check_resize.py
  - check_multiply_hue_and_saturation.py
  - check_bb_augmentation.py
  - check_withchannels.py
  - README.md
  - check_jigsaw.py
  - check_blendalphasegmapclassids.py
  - check_parameters.py
  - check_flip_performance.py
  - check_visually.py
  - check_channel_shuffle.py
  - check_directed_edge_detect.py
  - check_crop_and_pad.py
  - check_canny.py
  - check_fast_snowy_landscape.py
  - check_color_temperature.py
  - check_solarize.py
  - check_poisson_noise.py
  - check_fixed_size.py
  - check_snowflakes_layer.py
  - check_background_augmentation.py
  - check_performance.py

from imgaug import augmenters as iaa
import imgaug as ia
import imgaug.random as iarandom

iarandom.seed(1)


def main():
    img = ia.data.quokka(size=(128, 128), extract="square")

    aug = iaa.ChannelShuffle()
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))

    aug = iaa.ChannelShuffle(p=0.1)
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))

    aug = iaa.ChannelShuffle(p=1.0, channels=[0, 1])
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))

    aug = iaa.ChannelShuffle(p=1.0, channels=[1, 2])
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))

    aug = iaa.ChannelShuffle(p=1.0, channels=[1, 1, 2])
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))

    aug = iaa.ChannelShuffle(p=1.0, channels=ia.ALL)
    imgs_aug = aug.augment_images([img] * 64)
    ia.imshow(ia.draw_grid(imgs_aug))


if __name__ == "__main__":
    main()