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3-D wavelet reconstruction

reconstructs or extracts at level `c`

= waverec3(`wdec`

,`type`

,`n`

)`n`

the multilevel components
specified by `type`

. If `type`

begins with
`'c'`

or `'C'`

, `waverec3`

extracts the specified components. Otherwise, `waverec3`

reconstructs the components.

`x = waverec3(wdec,'a',0)`

and ```
x =
waverec3(wdec,'ca',0)
```

are equivalent to ```
x =
waverec3(wdec)
```

, where `'a'`

specifies the lowpass
component. `x`

is the reconstruction of the coefficients in
`wdec`

at level 0.

`c = waverec3(wdec,type)`

is equivalent to ```
c =
waverec3(wdec,type,wdec.level)
```

.