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sines, squares - creates a spatial sine or square wave form
sines
image xsize ysize horfreq verfreq
squares image xsize ysize horfreq verfreq
sines creates an one band unsigned char image of the a sine
waveform in two dimensions. The sizes of the created image are xsize by
ysize. The number of horizontal and vertical spatial frequencies are determined
by the variables horfreq and verfreq respectively.
squares creates an one
band unsigned cahr image by thresholding a sine waveform.
grey(1)
,
im_sines(3X)
, squares(1)
.
N. Dessipris
N. Dessipris - 27/02/1992
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