Get the names of DICOM header fields for an image series.

If field names are repeated within a single header, these duplicate fields are omitted from the return value. If slices have different header fields, this function returns the union across slices of all field names.

# S3 method for dicomdata
header_fields(img_data)

Arguments

img_data	DICOM data returned by read_dicom

Value

Vector of header field names