annotate Code/Descriptors/yin/private/src/rsmooth.m @ 4:92ca03a8fa99
tip
Update to ICASSP 2013 benchmark
author |
Dawn Black |
date |
Wed, 13 Feb 2013 11:02:39 +0000 |
parents |
ea0c737c6323 |
children |
|
rev |
line source |
dawn@0
|
1 %y=rsmooth(x,smooth,npasses,trim) - smooth by running convolution
|
dawn@0
|
2 %
|
dawn@0
|
3 % X: input matrix
|
dawn@0
|
4 % SMOOTH: samples - size of square smoothing window
|
dawn@0
|
5 % NPASSES: number of smoothing passes (default=1)
|
dawn@0
|
6 % TRIM: if true, clip Y to same size as X
|
dawn@0
|
7 %
|
dawn@0
|
8 % Y: output matrix
|
dawn@0
|
9 %
|
dawn@0
|
10 % RSMOOTH smooths each column of matrix X by convolution with a square window
|
dawn@0
|
11 % followed by division by the window size.
|
dawn@0
|
12 % Multiple passes allow smoothing with a triangular window (npasses=2), or
|
dawn@0
|
13 % window shapes that approach a gaussian (npasses large). Convolution is
|
dawn@0
|
14 % implemented as a running sum for speed.
|
dawn@0
|
15 %
|
dawn@0
|
16 % Y has NPASSES*(SMOOTH-1) more rows than X unless TRIM is set.
|
dawn@0
|
17 %
|
dawn@0
|
18 % mex function
|