Reading multiframe.dcm
multiframe.dcm       :    4 x    3, 1 channel, uint8 dicom
    3 subimages: 4x3 [u8], 4x3 [u8], 4x3 [u8]
 subimage  0:    4 x    3, 1 channel, uint8 dicom
    SHA-1: 6A48B1275CD442524903DC85F7801407F4140172
    channel list: Y
    PixelAspectRatio: 1
 subimage  1:    4 x    3, 1 channel, uint8 dicom
    SHA-1: 9A62E1F0495F896E9266171FC901994ED314A026
    channel list: Y
    PixelAspectRatio: 1
 subimage  2:    4 x    3, 1 channel, uint8 dicom
    SHA-1: C7512C6477BFC411A88F7A5B9194B62AC6D86A8E
    channel list: Y
    PixelAspectRatio: 1
