Pixel Data Utilities (pydicom.pixels.utils)

Pixel data related utility functions.

as_pixel_options(ds, **kwargs)	Return a dict containing the image pixel element values from ds.
expand_ybr422(src, bits_allocated)	Return YBR_FULL_422 data expanded to YBR_FULL.
get_expected_length(ds[, unit])	Return the expected length (in terms of bytes or pixels) of the Pixel Data.
get_image_pixel_ids(ds)	Return a dict of the pixel data affecting element's id() values.
get_j2k_parameters(codestream)	Return a dict containing JPEG 2000 component parameters.
get_nr_frames(ds[, warn])	Return NumberOfFrames or 1 if NumberOfFrames is None or 0.
iter_pixels(src, *[, ds_out, specific_tags, ...])	Yield decoded pixel data frames from src as ndarray while minimizing memory usage.
pack_bits(arr[, pad])	Pack a binary numpy.ndarray for use with Pixel Data.
pixel_array(src, *[, ds_out, specific_tags, ...])	Return decoded pixel data from src as ndarray while minimizing memory usage.
pixel_dtype(ds[, as_float])	Return a numpy.dtype for the pixel data in ds.
reshape_pixel_array(ds, arr)	Return a reshaped numpy.ndarray arr.
unpack_bits(src[, as_array])	Unpack the bit-packed data in src.