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      1 /*
      2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
      3  *
      4  * This source code is subject to the terms of the BSD 2 Clause License and
      5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
      6  * was not distributed with this source code in the LICENSE file, you can
      7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
      8  * Media Patent License 1.0 was not distributed with this source code in the
      9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
     10  */
     11 
     12 #ifndef AOM_AV1_ENCODER_RANSAC_H_
     13 #define AOM_AV1_ENCODER_RANSAC_H_
     14 
     15 #include <stdio.h>
     16 #include <stdlib.h>
     17 #include <math.h>
     18 #include <memory.h>
     19 
     20 #include "av1/common/warped_motion.h"
     21 
     22 typedef int (*RansacFunc)(int *matched_points, int npoints,
     23                           int *num_inliers_by_motion, double *params_by_motion,
     24                           int num_motions);
     25 typedef int (*RansacFuncDouble)(double *matched_points, int npoints,
     26                                 int *num_inliers_by_motion,
     27                                 double *params_by_motion, int num_motions);
     28 
     29 /* Each of these functions fits a motion model from a set of
     30    corresponding points in 2 frames using RANSAC. */
     31 int ransac_affine(int *matched_points, int npoints, int *num_inliers_by_motion,
     32                   double *params_by_motion, int num_motions);
     33 int ransac_rotzoom(int *matched_points, int npoints, int *num_inliers_by_motion,
     34                    double *params_by_motion, int num_motions);
     35 int ransac_translation(int *matched_points, int npoints,
     36                        int *num_inliers_by_motion, double *params_by_motion,
     37                        int num_motions);
     38 int ransac_translation_double_prec(double *matched_points, int npoints,
     39                                    int *num_inliers_by_motion,
     40                                    double *params_by_motion,
     41                                    int num_desired_motions);
     42 int ransac_rotzoom_double_prec(double *matched_points, int npoints,
     43                                int *num_inliers_by_motion,
     44                                double *params_by_motion,
     45                                int num_desired_motions);
     46 int ransac_affine_double_prec(double *matched_points, int npoints,
     47                               int *num_inliers_by_motion,
     48                               double *params_by_motion,
     49                               int num_desired_motions);
     50 #endif  // AOM_AV1_ENCODER_RANSAC_H_
     51