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.TH BLIND-SPATIAL-MEAN 1 blind
.SH NAME
blind-spatial-mean - Calculate the mean over all pixel for each frame in a video
.SH SYNOPSIS
.B blind-spatial-mean
[-g | -h | -l
.I power
| -p
.I power
| -v]
.SH DESCRIPTION
.B blind-spatial-mean
reads a video from stdin and calculates the mean
over all pixels for frames, and outputs a
video with one pixel in each frame, to stdout with
the mean for each frame.
.P
Unless otherwise specified, the arithmetic mean
is calculated.
.SH OPTIONS
.TP
.B -g
Calculate the geometric mean.
.TP
.B -h
Calculate the harmonic mean.
.TP
.BR -l \ \fIpower\fP
Calculate the Lehmer mean with the specified
.IR power .
.TP
.BR -p \ \fIpower\fP
Calculate the power mean (Hölder mean) with
the specified
.IR power .
.TP
.B -v
Calculate the variance.
.SH SEE ALSO
.BR blind (7),
.BR blind-temporal-mean (1),
.BR blind-mean (1),
.BR blind-temporal-arithm (1),
.BR blind-spatial-arithm (1),
.BR blind-arithm (1),
.BR blind-rewrite-head (1)
.SH AUTHORS
Mattias Andrée
.RI < maandree@kth.se >
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