FFmpeg
Main Page
Related Pages
Modules
Data Structures
Files
Examples
File List
Globals
•
All
Data Structures
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
libavutil
lls.h
Go to the documentation of this file.
1
/*
2
* linear least squares model
3
*
4
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
5
*
6
* This file is part of FFmpeg.
7
*
8
* FFmpeg is free software; you can redistribute it and/or
9
* modify it under the terms of the GNU Lesser General Public
10
* License as published by the Free Software Foundation; either
11
* version 2.1 of the License, or (at your option) any later version.
12
*
13
* FFmpeg is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
* Lesser General Public License for more details.
17
*
18
* You should have received a copy of the GNU Lesser General Public
19
* License along with FFmpeg; if not, write to the Free Software
20
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
*/
22
23
#ifndef AVUTIL_LLS_H
24
#define AVUTIL_LLS_H
25
26
#define MAX_VARS 32
27
28
//FIXME avoid direct access to LLSModel from outside
29
30
/**
31
* Linear least squares model.
32
*/
33
typedef
struct
LLSModel
{
34
double
covariance
[
MAX_VARS
+1][
MAX_VARS
+1];
35
double
coeff
[
MAX_VARS
][
MAX_VARS
];
36
double
variance
[
MAX_VARS
];
37
int
indep_count
;
38
}
LLSModel
;
39
40
void
av_init_lls
(
LLSModel
*
m
,
int
indep_count);
41
void
av_update_lls
(
LLSModel
*
m
,
double
*param,
double
decay);
42
void
av_solve_lls
(
LLSModel
*
m
,
double
threshold,
int
min_order);
43
double
av_evaluate_lls
(
LLSModel
*
m
,
double
*param,
int
order);
44
45
#endif
/* AVUTIL_LLS_H */
Generated on Sat May 25 2013 03:58:50 for FFmpeg by
1.8.2