can you give an explanatory note for Function“getDWTRecCoeff”?
sunyyhyzx opened this issue · comments
Hi Rafat,
I do not konw the “getDWTRecCoeff” function very much. I can not find any help for this function. can you give me an explanatory note to Function“getDWTRecCoeff”?
And can you give an simple eample for using this function?
Any help much appreciated.
Thanks,
--Yanyun Sun From China
Hi,
“getDWTRecCoeff” reconstructs the signal on a specific branch by
setting all other branch values to zero.
getDWTRecCoeff(double *coeff, int *length, const char *ctype, const
char *ext, int level, int J, double *lpr, double *hpr, int lf, int
siglength, double *reccoeff)
Here the two important inputs are ctype (values "appx" and "det") and
level which determine the branch to be reconstructed. One application
of getDWTRecCoeff is to obtain Multiresolution Analysis at a specific
branch that is synced with the output.
For example, one level periodic decomposition of a length 256 signal
will yield two length 128 approximation and detail signals. These
signals aren't very useful for direct eyeball analysis as their
lengths aren't the same as that of the input. You can build length 256
signal at both branches using getDWTRecCoeff.
I will soon add more documentation about this and 2D functionality
that I have implemented recently.
Rafat
…On 5/21/19, sunyyhyzx ***@***.***> wrote:
Hi Rafat,
I do not konw the “getDWTRecCoeff” function very much. I can not find any
help for this function. can you give me an explanatory note to
Function“getDWTRecCoeff”?
And can you give an simple eample for using this function?
Any help much appreciated.
Thanks,
--Yanyun Sun From China
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