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0--Parade/0_Parade_marchingband_1_849.jpg
0--Parade
train
1,024
1,385
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0--Parade/0_Parade_Parade_0_904.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_marchingband_1_799.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_marchingband_1_117.jpg
0--Parade
train
1,024
682
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0--Parade/0_Parade_marchingband_1_778.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_Parade_0_343.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_marchingband_1_205.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_Parade_0_106.jpg
0--Parade
train
1,024
683
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0--Parade/0_Parade_Parade_0_476.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_marchingband_1_12.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_marchingband_1_273.jpg
0--Parade
train
1,024
755
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0--Parade/0_Parade_marchingband_1_928.jpg
0--Parade
train
1,024
863
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0--Parade/0_Parade_Parade_0_337.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_marchingband_1_579.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_Parade_0_90.jpg
0--Parade
train
1,024
807
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0--Parade/0_Parade_marchingband_1_300.jpg
0--Parade
train
1,024
681
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0--Parade/0_Parade_Parade_0_782.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_Parade_0_449.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_Parade_0_325.jpg
0--Parade
train
1,024
512
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0--Parade/0_Parade_Parade_0_136.jpg
0--Parade
train
1,024
768
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0--Parade/0_Parade_Parade_0_1014.jpg
0--Parade
train
1,024
732
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0--Parade/0_Parade_marchingband_1_454.jpg
0--Parade
train
1,024
683
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0--Parade/0_Parade_marchingband_1_483.jpg
0--Parade
train
1,024
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0--Parade/0_Parade_Parade_0_87.jpg
0--Parade
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0--Parade/0_Parade_marchingband_1_193.jpg
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0--Parade/0_Parade_Parade_0_156.jpg
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0--Parade/0_Parade_Parade_0_438.jpg
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0--Parade/0_Parade_marchingband_1_462.jpg
0--Parade
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Check out the documentation for more information.

retinaface_widerface

这个目录用于生成可直接上传到 Hugging Face Datasets 的 WiderFace 教学版数据。

目标格式

转换完成后会生成两个 split:

  • train
  • val

对应文件路径默认是:

  • train/train-00000-of-00001.parquet
  • val/val-00000-of-00001.parquet

数据来源

  • train 来自 data/widerface/train/label.txt 和 data/widerface/train/images
  • val 来自 data/widerface/val/images 和 widerface_evaluate/ground_truth 下的 4 个 mat 文件

运行方式

在仓库根目录执行:

conda run -n retinaface python data/retinaface_widerface/build_parquet.py

如果环境里还没有 Hugging Face datasets:

conda run -n retinaface pip install datasets pillow scipy pyarrow

输出字段

每条样本都包含这些字段:

  • image: 内嵌图片,可直接被 load_dataset 解码
  • image_path: 相对路径
  • event: WiderFace 事件目录名
  • split: train 或 val
  • width
  • height
  • bboxes: 人脸框列表,字段为 x y w h
  • landmarks: 训练集的人脸关键点列表,字段为 x1 y1 ... x5 y5 v1 ... v5;验证集为空列表
  • blur: 训练集原始 blur 分数列表;验证集为空列表
  • easy_keep_indices: 验证集 easy 评估保留框索引,0-based;训练集为空列表
  • medium_keep_indices: 验证集 medium 评估保留框索引,0-based;训练集为空列表
  • hard_keep_indices: 验证集 hard 评估保留框索引,0-based;训练集为空列表

读取方式

from datasets import load_dataset

root = "data/retinaface_widerface"
ds = load_dataset("parquet", data_files={
    "train": f"{root}/train/*.parquet",
    "val": f"{root}/val/*.parquet",
})
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