module MRI (
flip_x,
flip_y,
- mri_shape,
- mri_slice3d,
read_word16s,
round_array,
swap_bytes,
import Values
-mri_depth :: Int
-mri_depth = 109
-
-mri_width :: Int
-mri_width = 256
-
-mri_height :: Int
-mri_height = 256
-
-mri_shape :: DIM3
-mri_shape = (Z :. mri_depth :. mri_height :. mri_width)
-
mri_lower_threshold :: Double
mri_lower_threshold = 1400
mri_upper_threshold :: Double
mri_upper_threshold = 2500
-mri_slice3d :: DIM3
-mri_slice3d = (Z :. 1 :. mri_height :. mri_width)
-
-- | RawData is an array of words (16 bits), as contained in the MRI
-- data files.
type RawData sh = Array U sh Word16
{-# INLINE read_word16s #-}
-read_word16s :: FilePath -> IO RawData3D
-read_word16s path = do
+read_word16s :: FilePath -> DIM3 -> IO RawData3D
+read_word16s path mri_shape = do
arr <- R.readArrayFromStorableFile path mri_shape
c <- R.copyP arr
now $ c
R.map round
-flip_y :: Source r Word16 => Array r DIM3 Word16 -> Array D DIM3 Word16
-flip_y arr =
+flip_y :: Source r Word16 => Int -> Array r DIM3 Word16 -> Array D DIM3 Word16
+flip_y height arr =
R.unsafeTraverse arr id
(\get (Z :. z :. y :. x) ->
- get (Z :. z :. (mri_height - 1) - y :. x))
+ get (Z :. z :. (height - 1) - y :. x))
-flip_x :: Source r Word16 => Array r DIM3 Word16 -> Array D DIM3 Word16
-flip_x arr =
+flip_x :: Source r Word16 => Int -> Array r DIM3 Word16 -> Array D DIM3 Word16
+flip_x width arr =
R.unsafeTraverse arr id
(\get (Z :. z :. y :. x) ->
- get (Z :. z :. y :. (mri_width - 1) - x))
+ get (Z :. z :. y :. (width - 1) - x))
{-# INLINE write_word16s #-}