1 files changed, 0 insertions, 29 deletions
diff --git a/img/force_field_transform_fft.jl b/img/force_field_transform_fft.jl
deleted file mode 100644
index c5bf905..0000000
--- a/img/force_field_transform_fft.jl
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# To do force field transform using FFT
-#
-# Aaron LI
-# 2015/07/16
-#
-
-function forcefieldtransform_fft(img)
-    rows, cols = size(img)
-    pic = zeros(3*rows, 3*cols)
-    pic[1:rows, 1:cols] = img
-    # unit force field
-    unit_ff = complex(zeros(3*rows, 3*cols))
-    for r = 1:(2*rows-1)
-        for c = 1:(2*cols)
-            d = (rows+cols*im) - (r+c*im)
-            if (r, c) == (rows, cols)
-                unit_ff[r, c] = 0 + 0im
-            else
-                unit_ff[r, c] = d / abs(d)^3
-            end
-        end
-    end
-    # FIXME matrix sizes
-    ff = sqrt(rows*cols) * ifft(fft(pic) .* fft(unit_ff))
-    #ff_crop = ff[rows:2*rows, cols:2*cols]
-end
-