# unsharp_mark with median filter
b = ImageBuf()
ImageBufAlgo.unsharp_mask(b, ImageBuf("../oiiotool/tahoe-small.tif"), "median", 3.0, 1.0, 0.0)
write(b, "unsharp-median.tif", oiio.UINT8)
# computePixelHashSHA1
print ("SHA-1 of bsplinekernel.exr is: " + ImageBufAlgo.computePixelHashSHA1(bsplinekernel))
# fft, ifft
fft = ImageBuf()
blue = ImageBuf()
ImageBufAlgo.channels(blue, ImageBuf("../oiiotool/tahoe-small.tif"), (2,))
ImageBufAlgo.fft(fft, blue)
write(fft, "fft.exr", oiio.HALF)
inv = ImageBuf()
ImageBufAlgo.ifft(inv, fft)
b = ImageBuf()
ImageBufAlgo.channels(b, inv, (0, 0, 0))
write(b, "ifft.exr", oiio.HALF)
inv.clear()
fft.clear()
fft = ImageBuf("fft.exr")
polar = ImageBuf()
ImageBufAlgo.complex_to_polar(polar, fft)
b = ImageBuf()
ImageBufAlgo.polar_to_complex(b, polar)
write(polar, "polar.exr", oiio.HALF)
write(b, "complex.exr", oiio.HALF)
fft.clear()
polar.clear()
# laplacian
b = ImageBufAlgo.laplacian(
ImageBuf(OIIO_TESTSUITE_ROOT + "/oiiotool/src/tahoe-tiny.tif"))
write(b, "tahoe-laplacian.tif", oiio.UINT8)
# computePixelHashSHA1
print("SHA-1 of bsplinekernel.exr is: " +
ImageBufAlgo.computePixelHashSHA1(bsplinekernel))
# fft, ifft
blue = ImageBufAlgo.channels(
ImageBuf(OIIO_TESTSUITE_ROOT + "/oiiotool/src/tahoe-tiny.tif"), (2, ))
fft = ImageBufAlgo.fft(blue)
write(fft, "fft.exr", oiio.FLOAT)
inv = ImageBufAlgo.ifft(fft)
b = ImageBufAlgo.channels(inv, (0, ))
write(b, "ifft.exr", oiio.FLOAT)
inv.clear()
fft.clear()
fft = ImageBuf("fft.exr")
polar = ImageBufAlgo.complex_to_polar(fft)
b = ImageBufAlgo.polar_to_complex(polar)
write(polar, "polar.exr", oiio.FLOAT)
write(b, "unpolar.exr", oiio.FLOAT)
fft.clear()
polar.clear()
# fixNonFinite
bad = ImageBuf(OIIO_TESTSUITE_ROOT + "/oiiotool-fixnan/src/bad.exr")
ImageBufAlgo.unsharp_mask(b, ImageBuf("../oiiotool/tahoe-small.tif"),
"median", 3.0, 1.0, 0.0)
write(b, "unsharp-median.tif", oiio.UINT8)
# computePixelHashSHA1
print("SHA-1 of bsplinekernel.exr is: " +
ImageBufAlgo.computePixelHashSHA1(bsplinekernel))
# fft, ifft
fft = ImageBuf()
blue = ImageBuf()
ImageBufAlgo.channels(blue, ImageBuf("../oiiotool/tahoe-small.tif"), (2, ))
ImageBufAlgo.fft(fft, blue)
write(fft, "fft.exr", oiio.HALF)
inv = ImageBuf()
ImageBufAlgo.ifft(inv, fft)
b = ImageBuf()
ImageBufAlgo.channels(b, inv, (0, 0, 0))
write(b, "ifft.exr", oiio.HALF)
inv.clear()
fft.clear()
fft = ImageBuf("fft.exr")
polar = ImageBuf()
ImageBufAlgo.complex_to_polar(polar, fft)
b = ImageBuf()
ImageBufAlgo.polar_to_complex(b, polar)
write(polar, "polar.exr", oiio.HALF)
write(b, "complex.exr", oiio.HALF)
fft.clear()
polar.clear()
"median", 3.0, 1.0, 0.0)
write (b, "unsharp-median.tif", oiio.UINT8)
# laplacian
b = ImageBufAlgo.laplacian (ImageBuf("../oiiotool/src/tahoe-tiny.tif"))
write (b, "tahoe-laplacian.tif", oiio.UINT8)
# computePixelHashSHA1
print ("SHA-1 of bsplinekernel.exr is: " +
ImageBufAlgo.computePixelHashSHA1(bsplinekernel))
# fft, ifft
blue = ImageBufAlgo.channels (ImageBuf("../oiiotool/src/tahoe-tiny.tif"), (2,))
fft = ImageBufAlgo.fft (blue)
write (fft, "fft.exr", oiio.FLOAT)
inv = ImageBufAlgo.ifft (fft)
b = ImageBufAlgo.channels (inv, (0,))
write (b, "ifft.exr", oiio.FLOAT)
inv.clear()
fft.clear()
fft = ImageBuf("fft.exr")
polar = ImageBufAlgo.complex_to_polar (fft)
b = ImageBufAlgo.polar_to_complex (polar)
write (polar, "polar.exr", oiio.FLOAT)
write (b, "unpolar.exr", oiio.FLOAT)
fft.clear()
polar.clear()
# fixNonFinite
bad = ImageBuf ("../oiiotool-fixnan/src/bad.exr")
