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gauss_vol − apply Gaussian smoothing kernel to a volume |
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gauss_vol [-c | -p] [-f | -s] sx sy sz inputfile [outputfile] |
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Applies a Gaussian filter to the volume. The filter size is specified in the 3 dimensions by sx, sy and sz. |
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sx sy sz |
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Size of Gaussian kernel. What unit this is measured in is determined below. |
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-c |
Filter size is represented in units of cm |
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-p |
Filter size is represented in units of pixels (default) |
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-f |
Filter size is full width half max (fwhm) (default) |
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-s |
Filter size is standard deviation |
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-g cutoff |
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Cutoff size for filter. Measured in fwhm’s. Default is 4. File is converted to float for filtering and then converted back to original datatype. If no outputfile is specified, the inputfile will be overwritten. |
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Input file format can be VAPET, XPRIME, ANALYZE. All volio input data types are accepted, i.e. byte, ushort, sshort, float, double, although the volume is converted to float internally during filtering. |
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Ulrik Kjems <uk@imm.dtu.dk> |
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gauss_vol(1), histo_vols(1), subsample(1), file2vapet(1), file2ana(1), file2xprime(1), headerinfo(1), resize_vol(1), convert_vol(1), covar(1), flip(1), region(1), compute_warp(1), warp_reslice(1), warp_reconcile(1), |