blob: 35896352cd8419ce7d15270d34410f431d886e53 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
require"imlua"
require"imlua_process"
require"imlua_fftw"
local filename = "lena.jpg"
local image = im.FileImageLoad(filename)
local complex = im.ImageCreate(image:Width(), image:Height(), image:ColorSpace(), im.CFLOAT)
im.ProcessFFT(image, complex)
local c = complex[0][5][10] -- component=0(Red), y = 5 x =10
print(c[1], c[2])
complex[0][5][10] = { 2*c[1], c[2]/2 }
local c = complex[0][5][10]
print(c[1], c[2])
|
