Make images greyscale
See also
Stimulus manipulation functions
align()
,
crop_tem()
,
crop()
,
horiz_eyes()
,
image_func()
,
mask_oval()
,
mask()
,
mirror()
,
pad()
,
resize()
,
rotate()
,
to_size()
Stimulus manipulation functions
align()
,
crop_tem()
,
crop()
,
horiz_eyes()
,
image_func()
,
mask_oval()
,
mask()
,
mirror()
,
pad()
,
resize()
,
rotate()
,
to_size()