File size: 1,157 Bytes
24ee802 6117d42 24ee802 6117d42 24ee802 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
# llg/loader.py
import os
import h5py
import numpy as np
import PIL.Image as Image
script_dir = os.path.dirname(__file__)
datafile_path = os.path.join(script_dir, "../raw/LLD-logo.hdf5")
with h5py.File(datafile_path, "r") as throwaway:
samples_count: int = len(throwaway["data"])
def gen_samples(
labels: list[str] = ["data", "meta_data/names"], datafile_path: str = datafile_path
):
# open hdf5 file
with h5py.File(datafile_path, "r") as hdf5_file:
count = len(hdf5_file["data"])
i = 0
while i < count:
result = {}
if "data" in labels:
shape = hdf5_file["shapes"][i]
images = hdf5_file["data"][i][:, : shape[1], : shape[2]]
result["data"] = images.astype(np.uint8)
for label in [l for l in labels if l != "data"]:
result[label] = hdf5_file[label][i]
yield result
i += 1
if __name__ == "__main__":
sample = next(gen_samples())
name = sample["meta_data/names"]
images = sample["data"]
print(name)
image_pil = Image.fromarray(images[2])
image_pil.show()
|