def main():
imp = WindowManager.getCurrentImage()
width, height, nChannels, nSlices, nFrames = imp.getDimensions()
canny_stack = ImageStack()
for i in range(nFrames):
slice = Duplicator().run(
imp,
1, # firstC
1, # lastC
1, # firstZ
1, # lastZ
i, # firstT
i) # lastT
proc = i / nFrames
IJ.log("Processing slice {}/{}...".format(i, nFrames))
canny_slice = _singleCanny(slice)
ip = canny_slice.getProcessor()
canny_stack.addSlice(ip)
canny_stack = ImagePlus("canny_stack", canny_stack)
canny_stack.show()
IJ.log("Canny edge detection finished.")
return
