#include "HxImageRep.h"
Go to the source code of this file.
Functions | |
| HxImageRep L_HXIMAGEREP | HxUniform (HxImageRep im, HxSizes sizes) |
| Uniform filter. More... | |
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Uniform filter.
00015 {
00016 // An image signature for a 2D image with 64-bit real valued scalar pixels
00017 HxImageSignature sig(2, 1, REAL_VALUE, 64);
00018
00019 // Construct the separable kernels
00020 HxImageRep kx = HxImageFactory::instance().fromValue(sig,
00021 HxSizes(sizes.x(),1,1), 1./sizes.x());
00022 HxImageRep ky = HxImageFactory::instance().fromValue(sig,
00023 HxSizes(sizes.y(),1,1), 1./sizes.y());
00024 HxImageRep kz = HxImageFactory::instance().fromValue(sig,
00025 HxSizes(sizes.z(),1,1), 1./sizes.z());
00026
00027 // and apply the operation
00028 if (im.dimensionality() == 3) {
00029 HxImageRep res = im.generalizedConvolutionK1d(1, kx,
00030 "mul", "addAssign", HxImageRep::ARITH_PREC);
00031 res = res.generalizedConvolutionK1d(2, ky,
00032 "mul", "addAssign", HxImageRep::ARITH_PREC);
00033 return res.generalizedConvolutionK1d(3, kz,
00034 "mul", "addAssign", HxImageRep::ARITH_PREC);
00035 }
00036
00037 return im.genConvSeparated(
00038 1, kx, ky, "mul", "addAssign", HxImageRep::ARITH_PREC);
00039 }
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1.2.12 written by Dimitri van Heesch,
© 1997-2001