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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,8 @@ | ||
| from . import (alphanumeric_filter, average_line_length_filter, | ||
| character_repetition_filter, flagged_words_filter, | ||
| image_aspect_ratio_filter, language_id_score_filter, | ||
| maximum_line_length_filter, perplexity_filter, | ||
| special_characters_filter, specified_field_filter, | ||
| specified_numeric_field_filter, stopwords_filter, suffix_filter, | ||
| text_length_filter, token_num_filter, word_num_filter, | ||
| word_repetition_filter) | ||
| image_aspect_ratio_filter, image_shape_filter, | ||
| language_id_score_filter, maximum_line_length_filter, | ||
| perplexity_filter, special_characters_filter, | ||
| specified_field_filter, specified_numeric_field_filter, | ||
| stopwords_filter, suffix_filter, text_length_filter, | ||
| token_num_filter, word_num_filter, word_repetition_filter) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import sys | ||
|
|
||
| import numpy as np | ||
| from jsonargparse.typing import PositiveInt | ||
|
|
||
| from data_juicer.utils.constant import Fields, StatsKeys | ||
| from data_juicer.utils.mm_utils import load_image | ||
|
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| from ..base_op import OPERATORS, Filter | ||
| from ..op_fusion import LOADED_IMAGES | ||
|
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|
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| @OPERATORS.register_module('image_shape_filter') | ||
| @LOADED_IMAGES.register_module('image_shape_filter') | ||
| class ImageShapeFilter(Filter): | ||
| """Filter to keep samples with image shape (w, h) within specific ranges. | ||
| """ | ||
|
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||
| def __init__(self, | ||
| min_width: PositiveInt = 1, | ||
| max_width: PositiveInt = sys.maxsize, | ||
| min_height: PositiveInt = 1, | ||
| max_height: PositiveInt = sys.maxsize, | ||
| any_or_all: str = 'any', | ||
| *args, | ||
| **kwargs): | ||
| """ | ||
| Initialization method. | ||
| :param min_width: The min width to keep samples. | ||
| :param max_width: The max width to keep samples. | ||
| :param min_height: The min height to keep samples. | ||
| :param max_height: The max height to keep samples. | ||
| :param any_or_all: keep this sample with 'any' or 'all' strategy of | ||
| all images. 'any': keep this sample if any images meet the | ||
| condition. 'all': keep this sample only if all images meet the | ||
| condition. | ||
| :param args: extra args | ||
| :param kwargs: extra args | ||
| """ | ||
| super().__init__(*args, **kwargs) | ||
| self.min_width = min_width | ||
| self.max_width = max_width | ||
| self.min_height = min_height | ||
| self.max_height = max_height | ||
| if any_or_all not in ['any', 'all']: | ||
| raise ValueError(f'Keep strategy [{any_or_all}] is not supported. ' | ||
| f'Can only be one of ["any", "all"].') | ||
| self.any = (any_or_all == 'any') | ||
|
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||
| def compute_stats(self, sample, context=False): | ||
| # check if it's computed already | ||
| if StatsKeys.image_width in sample[Fields.stats] \ | ||
| and StatsKeys.image_height in sample[Fields.stats]: | ||
| return sample | ||
|
|
||
| # there is no image in this sample | ||
| if self.image_key not in sample or not sample[self.image_key]: | ||
| sample[Fields.stats][StatsKeys.image_width] = np.array( | ||
| [], dtype=np.int64) | ||
| sample[Fields.stats][StatsKeys.image_height] = np.array( | ||
| [], dtype=np.int64) | ||
| return sample | ||
|
|
||
| # load images | ||
| loaded_image_keys = sample[self.image_key] | ||
| images = {} | ||
| for loaded_image_key in loaded_image_keys: | ||
| if context and loaded_image_key in sample[Fields.context]: | ||
| # load from context | ||
| images[loaded_image_key] = sample[ | ||
| Fields.context][loaded_image_key] | ||
| else: | ||
| if loaded_image_key not in images: | ||
| # avoid load the same images | ||
| image = load_image(loaded_image_key) | ||
| images[loaded_image_key] = image | ||
| if context: | ||
| # store the image data into context | ||
| sample[Fields.context][loaded_image_key] = image | ||
|
|
||
| # get width and height for each image | ||
| whs = {key: (images[key].width, images[key].height) for key in images} | ||
| sample[Fields.stats][StatsKeys.image_width] = [ | ||
| whs[key][0] for key in loaded_image_keys | ||
| ] | ||
| sample[Fields.stats][StatsKeys.image_height] = [ | ||
| whs[key][1] for key in loaded_image_keys | ||
| ] | ||
| return sample | ||
|
|
||
| def process(self, sample): | ||
| ws = sample[Fields.stats][StatsKeys.image_width] | ||
| hs = sample[Fields.stats][StatsKeys.image_height] | ||
| if len(ws) <= 0: | ||
| return True | ||
| keep_bools = np.array([ | ||
| self.min_width <= w <= self.max_width | ||
| and self.min_height <= h <= self.max_height | ||
| for w, h in zip(ws, hs) | ||
| ]) | ||
|
|
||
| # different strategies | ||
| if self.any: | ||
| return keep_bools.any() | ||
| else: | ||
| return keep_bools.all() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| import os | ||
| import unittest | ||
| import numpy as np | ||
| import PIL.Image | ||
|
|
||
| from datasets import Dataset, Image | ||
|
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| from data_juicer.ops.filter.image_shape_filter import ImageShapeFilter | ||
| from data_juicer.utils.constant import Fields | ||
|
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|
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| class ImageShapeFilterTest(unittest.TestCase): | ||
|
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| data_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), | ||
| '..', 'data') | ||
| img1_path = os.path.join(data_path, 'img1.png') | ||
| img2_path = os.path.join(data_path, 'img2.jpg') | ||
| img3_path = os.path.join(data_path, 'img3.jpg') | ||
|
|
||
| def _run_image_shape_filter(self, | ||
| dataset: Dataset, | ||
| target_list, | ||
| op): | ||
| if Fields.stats not in dataset.features: | ||
| dataset = dataset.add_column(name=Fields.stats, | ||
| column=[{}] * dataset.num_rows) | ||
| dataset = dataset.map(op.compute_stats) | ||
| dataset = dataset.filter(op.process) | ||
| dataset = dataset.select_columns(column_names=[op.image_key]) | ||
| res_list = dataset.to_list() | ||
| self.assertEqual(res_list, target_list) | ||
|
|
||
| def test_filter1(self): | ||
|
|
||
| ds_list = [{ | ||
| 'images': [self.img1_path] | ||
| }, { | ||
| 'images': [self.img2_path] | ||
| }, { | ||
| 'images': [self.img3_path] | ||
| }] | ||
| tgt_list = [{ | ||
| 'images': [self.img2_path] | ||
| }] | ||
| dataset = Dataset.from_list(ds_list) | ||
| op = ImageShapeFilter(min_width=400, | ||
| min_height=400) | ||
| self._run_image_shape_filter(dataset, tgt_list, op) | ||
|
|
||
| def test_filter2(self): | ||
|
|
||
| ds_list = [{ | ||
| 'images': [self.img1_path] | ||
| }, { | ||
| 'images': [self.img2_path] | ||
| }, { | ||
| 'images': [self.img3_path] | ||
| }] | ||
| tgt_list = [{ | ||
| 'images': [self.img1_path] | ||
| }, { | ||
| 'images': [self.img3_path] | ||
| }] | ||
| dataset = Dataset.from_list(ds_list) | ||
| op = ImageShapeFilter(max_width=500, | ||
| max_height=500) | ||
| self._run_image_shape_filter(dataset, tgt_list, op) | ||
|
|
||
| def test_filter3(self): | ||
|
|
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| ds_list = [{ | ||
| 'images': [self.img1_path] | ||
| }, { | ||
| 'images': [self.img2_path] | ||
| }, { | ||
| 'images': [self.img3_path] | ||
| }] | ||
| tgt_list = [{ | ||
| 'images': [self.img1_path] | ||
| }, { | ||
| 'images': [self.img2_path] | ||
| }, { | ||
| 'images': [self.img3_path] | ||
| }] | ||
| dataset = Dataset.from_list(ds_list) | ||
| op = ImageShapeFilter() | ||
| self._run_image_shape_filter(dataset, tgt_list, op) | ||
|
|
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| def test_any(self): | ||
|
|
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| ds_list = [{ | ||
| 'images': [self.img1_path, self.img2_path] | ||
| }, { | ||
| 'images': [self.img2_path, self.img3_path] | ||
| }, { | ||
| 'images': [self.img1_path, self.img3_path] | ||
| }] | ||
| tgt_list = [{ | ||
| 'images': [self.img1_path, self.img2_path] | ||
| }, { | ||
| 'images': [self.img2_path, self.img3_path] | ||
| }] | ||
| dataset = Dataset.from_list(ds_list) | ||
| op = ImageShapeFilter(min_width=400, | ||
| min_height=400, | ||
| any_or_all='any') | ||
| self._run_image_shape_filter(dataset, tgt_list, op) | ||
|
|
||
| def test_all(self): | ||
|
|
||
| ds_list = [{ | ||
| 'images': [self.img1_path, self.img2_path] | ||
| }, { | ||
| 'images': [self.img2_path, self.img3_path] | ||
| }, { | ||
| 'images': [self.img1_path, self.img3_path] | ||
| }] | ||
| tgt_list = [] | ||
| dataset = Dataset.from_list(ds_list) | ||
| op = ImageShapeFilter(min_width=400, | ||
| min_height=400, | ||
| any_or_all='all') | ||
| self._run_image_shape_filter(dataset, tgt_list, op) | ||
|
|
||
|
|
||
| if __name__ == '__main__': | ||
| unittest.main() |