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blind-temporal-mean.1 - blind - suckless command-line video editing utility
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blind-temporal-mean.1 (1597B)
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1 .TH BLIND-TEMPORAL-MEAN 1 blind
2 .SH NAME
3 blind-temporal-mean - Calculate the mean over all frames in a video for …
4 .SH SYNOPSIS
5 .B blind-temporal-mean
6 [-d | -g | -h | -l
7 .I power-stream
8 | -p
9 .I power-stream
10 | -v]
11 .SH DESCRIPTION
12 .B blind-temporal-mean
13 reads a video from stdin and calculates the mean
14 over all frames for each pixel, and outputs a
15 single frame video to stdout with the mean for
16 each pixel.
17 .P
18 Unless otherwise specified, the arithmetic mean
19 is calculated.
20 .SH OPTIONS
21 .TP
22 .B -d
23 Calculate the standard deviation.
24 .TP
25 .B -g
26 Calculate the geometric mean.
27 .TP
28 .B -h
29 Calculate the harmonic mean.
30 .TP
31 .BR -l \ \fIpower-stream\fP
32 Calculate the Lehmer mean with the power
33 specified in the same pixel in the single-frame
34 video
35 .IR power-stream .
36 .TP
37 .BR -p \ \fIpower-stream\fP
38 Calculate the power mean (Hölder mean) with
39 the power specified in the same pixel in the
40 single-frame video
41 .IR power-stream .
42 .TP
43 .B -v
44 Calculate the variance.
45 .SH REQUIREMENTS
46 .B blind-temporal-mean
47 requires enough free memory to load two full frames memory.
48 A frame requires 32 bytes per pixel it contains. If
49 .B -p
50 or
51 .B -v
52 is used, enough free memory to load three full frames
53 memory is required. If
54 .B -l
55 is used, enough free memory to load four full frames
56 memory is required.
57 .P
58 .B blind-temporal-mean
59 is optimised for simplicity rather than memory usage.
60 .SH SEE ALSO
61 .BR blind (7),
62 .BR blind-temporal-arithm (1),
63 .BR blind-spatial-arithm (1),
64 .BR blind-arithm (1),
65 .BR blind-spatial-mean (1),
66 .BR blind-mean (1),
67 .BR blind-rewrite-head (1)
68 .SH AUTHORS
69 Mattias Andrée
70 .RI < [email protected] >
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