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/*
* $Id: correlation.h 20678 2017-12-18 18:26:55Z yeti-dn $
* Copyright (C) 2003-2017 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GWY_PROCESS_CORRELATION_H__
#define __GWY_PROCESS_CORRELATION_H__
#include <libprocess/datafield.h>
#include <libprocess/gwyprocesstypes.h>
G_BEGIN_DECLS
gdouble gwy_data_field_get_correlation_score(GwyDataField *data_field,
GwyDataField *kernel_field,
gint col,
gint row,
gint kernel_col,
gint kernel_row,
gint kernel_width,
gint kernel_height);
gdouble gwy_data_field_get_weighted_correlation_score(GwyDataField *data_field,
GwyDataField *kernel_field,
GwyDataField *weight_field,
gint col,
gint row,
gint kernel_col,
gint kernel_row,
gint kernel_width,
gint kernel_height);
void gwy_data_field_crosscorrelate(GwyDataField *data_field1,
GwyDataField *data_field2,
GwyDataField *x_dist,
GwyDataField *y_dist,
GwyDataField *score,
gint search_width,
gint search_height,
gint window_width,
gint window_height);
GwyComputationState* gwy_data_field_crosscorrelate_init(GwyDataField *data_field1,
GwyDataField *data_field2,
GwyDataField *x_dist,
GwyDataField *y_dist,
GwyDataField *score,
gint search_width,
gint search_height,
gint window_width,
gint window_height);
void gwy_data_field_crosscorrelate_set_weights(GwyComputationState *state,
GwyWindowingType type);
void gwy_data_field_crosscorrelate_iteration(GwyComputationState *state);
void gwy_data_field_crosscorrelate_finalize(GwyComputationState *state);
void gwy_data_field_correlate(GwyDataField *data_field,
GwyDataField *kernel_field,
GwyDataField *score,
GwyCorrelationType method);
GwyComputationState *gwy_data_field_correlate_init(GwyDataField *data_field,
GwyDataField *kernel_field,
GwyDataField *score);
void gwy_data_field_correlate_iteration(GwyComputationState *state);
void gwy_data_field_correlate_finalize(GwyComputationState *state);
void gwy_data_field_correlation_search(GwyDataField *dfield,
GwyDataField *kernel,
GwyDataField *kernel_weight,
GwyDataField *target,
GwyCorrSearchType method,
gdouble regcoeff,
GwyExteriorType exterior,
gdouble fill_value);
G_END_DECLS
#endif /* __GWY_PROCESS_CORRELATION__ */
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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