无法使用 Python3 和 pydicom 读取 dicom 文件

Question

我试图用 python3 和 pydicom 库读取 dicom 文件。对于某些dicom数据，当我尝试打印pydicom.dcmread的结果时，我无法正确获取数据并收到错误消息。

但是，我尝试使用 python2 并且效果很好。查了元信息，和其他可以处理的dicom文件对比，没发现有什么区别。

import pydiom

ds = pydicom.dcmread("xxxxx.dicom")

print(ds)

Traceback (most recent call last):

  File "generate_train_data.py", line 387, in <module>

    tf.app.run()

  File "/usr/local/lib/python3.5/dist-packages/tensorflow/python/platform/app.py", line 125, in run

    _sys.exit(main(argv))

  File "generate_train_data.py", line 371, in main

    create_ann()

  File "generate_train_data.py", line 368, in create_ann

    ds_ann_dir, case_name, merge_channel=False)

  File "generate_train_data.py", line 290, in process_dcm_set

    all_dcms, dcm_truth_infos = convert_dicoms(dcm_list, zs)

  File "generate_train_data.py", line 179, in convert_dicoms

    instance_num, pixel_spacing, img_np = extract_info(dcm_path)

  File "generate_train_data.py", line 147, in extract_info

    print(ds)

UnicodeEncodeError: 'ascii' codec can't encode characters in position 2277-2279: ordinal not in range(128)

任何人都遇到过同样的问题？

Answer 1

你能举一个这样的 dicom 文件的例子吗？使用 python 3.7运行 pydicom示例时，它运行良好：import matplotlib.pyplot as pltimport pydicomfrom pydicom.data import get_testdata_filesfilename = get_testdata_files("CT_small.dcm")[0]ds = pydicom.dcmread(filename)plt.imshow(ds.pixel_array, cmap=plt.cm.bone)它还可以处理来自Medical Image Samples的示例 dicom 文件。