dcm_to_png_conversion.py

"""
This code will help to convert dcm image to png image
pip install pydicom ; pypng
"""
import pydicom
import pypng

if dicom_filename.endswith('.dcm'):
    dicom_filename = 'dcm/image/path'
    (".dcm file Detected, Converting dcm to png..",dicom_filename)
    png_filename = os.path.splitext(dicom_filename)[0]
    suffix = '.png'
    png_filename = os.path.join(png_filename + suffix)
    bitdepth=16
    image = pydicom.read_file(dicom_filename).pixel_array
    with open(png_filename), 'wb') as f:
        writer = png.Writer(height=image.shape[0], width=image.shape[1], bitdepth=bitdepth, greyscale=True)
        writer.write(f, image.tolist())

               
# process multiple images        
for x in range(0,4):
    if url[x].endswith('.dcm'):
        dcm_images = ['L-CC.dcm','R-CC.dcm','L-MLO.dcm','R-MLO.dcm']
        images = ['L-CC.png','R-CC.png','L-MLO.png','R-MLO.png']
        dicom_filename = (r'{0}'.format(dcm_images[x]))
        (".dcm file Detected, Converting dcm to png..",dcm_images[x])
        png_filename = os.path.splitext(dcm_images[x])[0]
        suffix = '.png'
        png_filename = os.path.join(png_filename + suffix)
        bitdepth=16
        image = pydicom.read_file(dicom_filename).pixel_array
        with open(r'{0}'.format(images[x]), 'wb') as f:
            writer = png.Writer(height=image.shape[0], width=image.shape[1], bitdepth=bitdepth, greyscale=True)
            writer.write(f, image.tolist())