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|
/*
* This file is part of the HDRL
* Copyright (C) 2012,2013 European Southern Observatory
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include "hdrl.h"
#include "hdrl_utils.h"
#include "hdrl_test.h"
#include "hdrl_overscan_defs.h"
#include "hdrl_collapse.h" //TMP
#include <cpl.h>
#include <math.h>
#include <stdlib.h>
/*-----------------------------------------------------------------------------
Define
-----------------------------------------------------------------------------*/
typedef enum {
HDRL_OSCAN_COLLAPSE_TEST_MEAN,
HDRL_OSCAN_COLLAPSE_TEST_MEDIAN,
HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN,
HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP,
HDRL_OSCAN_COLLAPSE_TEST_MINMAX
} hdrl_oscan_collapse_test ;
/*----------------------------------------------------------------------------*/
/**
@defgroup hdrl_overscan_test Testing of the HDRL Overscan module
*/
/*----------------------------------------------------------------------------*/
void test_parlist(void)
{
/* parameter parsing smoketest */
hdrl_parameter * hpar;
hdrl_parameter * rect_region_def =
hdrl_rect_region_parameter_create(1, 1, 20, 20);
hdrl_parameter * sigclip_def =
hdrl_collapse_sigclip_parameter_create(3., 3., 5);
hdrl_parameter * minmax_def =
hdrl_collapse_minmax_parameter_create(2., 3.);
cpl_parameterlist * pos = hdrl_overscan_parameter_create_parlist(
"RECIPE", "oscan", "alongX", 10, 10., rect_region_def,
"MINMAX", sigclip_def, minmax_def);
hdrl_parameter_delete(sigclip_def);
hdrl_parameter_delete(minmax_def);
hdrl_parameter_delete(rect_region_def);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_eq(cpl_parameterlist_get_size(pos), 13);
hpar = hdrl_overscan_parameter_parse_parlist(pos, "RECIPE.invalid");
cpl_test_null(hpar);
cpl_test_error(CPL_ERROR_DATA_NOT_FOUND);
hpar = hdrl_overscan_parameter_parse_parlist(pos, "RECIPE.oscan");
cpl_parameterlist_delete(pos);
cpl_test_error(CPL_ERROR_NONE);
{
hdrl_parameter * rect = hdrl_overscan_parameter_get_rect_region(hpar);
cpl_test_eq(hdrl_rect_region_get_llx(rect), 1);
cpl_test_eq(hdrl_rect_region_get_lly(rect), 1);
cpl_test_eq(hdrl_rect_region_get_urx(rect), 20);
cpl_test_eq(hdrl_rect_region_get_ury(rect), 20);
}
cpl_test_eq(hdrl_overscan_parameter_get_box_hsize(hpar), 10);
cpl_test_eq(hdrl_overscan_parameter_get_ccd_ron(hpar), 10.);
cpl_test_eq(hdrl_overscan_parameter_get_correction_direction(hpar),
HDRL_X_AXIS);
{
hdrl_parameter * col = hdrl_overscan_parameter_get_collapse(hpar);
cpl_test(hdrl_collapse_parameter_is_minmax(col));
cpl_test(!hdrl_collapse_parameter_is_mean(col));
cpl_test_eq(hdrl_collapse_minmax_parameter_get_nlow(col), 2);
cpl_test_eq(hdrl_collapse_minmax_parameter_get_nhigh(col), 3);
}
hdrl_parameter_destroy(hpar);
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on null input images
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_null_input(void)
{
hdrl_parameter * os_region;
hdrl_parameter * os_collapse;
hdrl_parameter * os_param;
hdrl_overscan_compute_result * overscan_computation;
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, 1, 1) ;
os_collapse = hdrl_collapse_mean_parameter_create() ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS, 1., 1,
os_collapse, os_region) ;
cpl_test(hdrl_overscan_parameter_check(os_param));
/* test functionality */
overscan_computation = hdrl_overscan_compute(NULL, os_param) ;
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
cpl_test_null(overscan_computation);
hdrl_overscan_compute_result_delete(overscan_computation);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on null input region
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_null_region(void)
{
cpl_image * image_data;
hdrl_parameter * os_region = NULL;
hdrl_parameter * os_collapse;
hdrl_parameter * os_param;
hdrl_overscan_compute_result * overscan_computation;
/* create input structures (on purpose not the input region) */
image_data = cpl_image_new(1, 1, CPL_TYPE_DOUBLE);
/* Overscan Parameters */
os_collapse = hdrl_collapse_mean_parameter_create() ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS, 1., 1,
os_collapse, os_region) ;
/* test functionality */
overscan_computation = hdrl_overscan_compute(image_data, os_param);
cpl_image_delete(image_data);
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
cpl_test_null(overscan_computation);
hdrl_overscan_compute_result_delete(overscan_computation);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on null input sigclip
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_null_sigclip(void)
{
cpl_image * image_data;
hdrl_parameter * os_region;
hdrl_parameter * os_collapse = NULL;
hdrl_parameter * os_param;
hdrl_overscan_compute_result * overscan_computation;
/* create input structures (on purpose not the input region) */
image_data = cpl_image_new(1, 1, CPL_TYPE_DOUBLE);
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, 1, 1) ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS, 1., 1,
os_collapse, os_region) ;
/* test functionality */
overscan_computation = hdrl_overscan_compute(image_data, os_param);
cpl_image_delete(image_data);
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_param) ;
cpl_test_null(overscan_computation);
hdrl_overscan_compute_result_delete(overscan_computation);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on null input compute control
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_null_params(void)
{
cpl_image* image_data = cpl_image_new(1, 1, CPL_TYPE_DOUBLE);
hdrl_overscan_compute_result * overscan_computation;
/* test functionality */
overscan_computation = hdrl_overscan_compute(image_data, NULL);
cpl_test_null(overscan_computation);
hdrl_overscan_compute_result_delete(overscan_computation);
cpl_image_delete(image_data);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on wrong input region
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_wrong_region(void)
{
hdrl_parameter * os_region;
hdrl_parameter * os_collapse;
hdrl_parameter * os_param;
cpl_image * image_data;
hdrl_overscan_compute_result * computation;
/* create input image */
image_data = cpl_image_new(5, 10, CPL_TYPE_DOUBLE);
/* Overscan Parameters */
/* Initialize a region outside the bounds of the image */
os_region = hdrl_rect_region_parameter_create(1, 1, 5, 10) ;
os_collapse = hdrl_collapse_mean_parameter_create() ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS, 1., 1,
os_collapse, os_region) ;
/* Run it and check */
hdrl_rect_region_parameter_update(os_region, 0, 2, 4, 2) ;
computation = hdrl_overscan_compute(image_data, os_param) ;
cpl_test_null(computation);
cpl_test_eq_error(cpl_error_get_code(), CPL_ERROR_ILLEGAL_INPUT);
/* Initialize a region with size exceeding the X size of the image */
hdrl_rect_region_parameter_update(os_region, 1, 5, 6, 10) ;
// TODO yves fix and reenable
//computation = hdrl_overscan_compute(image_data, os_param) ;
//cpl_test_null(computation);
//cpl_test_eq_error(cpl_error_get_code(), CPL_ERROR_ILLEGAL_INPUT);
/* Destroy and return */
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
cpl_image_delete(image_data);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check hdrl_overscan_compute proper error on wrong input region
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static double hdrl_overscan_test_uniform_image(const double inp_value)
{
double out_value = 0;
cpl_image * image_data;
cpl_image * image_errs;
hdrl_image * image;
hdrl_overscan_compute_result * comp_res;
hdrl_overscan_correct_result * overscan_correction;
hdrl_parameter * os_region;
hdrl_parameter * os_collapse;
hdrl_parameter * os_param;
/* Create input structures (on purpose not the input region) */
image_data = cpl_image_new(100, 100, HDRL_TYPE_DATA);
cpl_image_add_scalar(image_data, inp_value);
image_errs = cpl_image_new(100, 100, HDRL_TYPE_ERROR);
cpl_image_add_scalar(image_errs, inp_value);
cpl_image_power(image_errs, 0.5);
image = hdrl_image_wrap(image_data, image_errs, NULL, CPL_FALSE);
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, 100, 100) ;
os_collapse = hdrl_collapse_median_parameter_create() ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS, 1., 5,
os_collapse, os_region) ;
/* Compute the Overscan correction */
comp_res = hdrl_overscan_compute(image_data, os_param);
cpl_test_nonnull(comp_res);
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
out_value = cpl_image_get_mean(
hdrl_image_get_image(comp_res->correction));
cpl_test_abs(out_value, inp_value, HDRL_EPS_DATA);
overscan_correction = hdrl_overscan_correct(image, NULL, comp_res);
cpl_test_nonnull(overscan_correction);
hdrl_overscan_compute_result_delete(comp_res);
hdrl_overscan_correct_result_delete(overscan_correction);
hdrl_image_delete(image);
return out_value;
}
/*----------------------------------------------------------------------------*/
/**
@brief Check overscan directions and shrinking window
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_dir(cpl_size Nx, cpl_size Ny, int hbox)
{
const double error = 10;
hdrl_image * image = hdrl_image_new(Nx, Ny);
cpl_image * image_data = hdrl_image_get_image(image);
cpl_image * image_errs = hdrl_image_get_error(image);
hdrl_parameter * os_region = NULL;
hdrl_parameter * os_collapse = NULL;
hdrl_parameter * os_param = NULL;
hdrl_overscan_compute_result * res_os_comp = NULL;
hdrl_overscan_compute_result * res_os_comp_turn = NULL;
hdrl_overscan_correct_result * res_os_cor = NULL;
hdrl_overscan_correct_result * res_os_cor_turn = NULL;
int rej;
cpl_msg_info(cpl_func, "check mean hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
/* create image incrementing in x axis, constant in y axis */
for (cpl_size x = 0; x < Nx; x++) {
for (cpl_size y = 0; y < Ny; y++) {
cpl_image_set(image_data, x + 1, y + 1, x);
cpl_image_set(image_errs, x + 1, y + 1, x);
}
}
cpl_image_power(image_errs, 0.5);
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, Nx, Ny) ;
os_collapse = hdrl_collapse_mean_parameter_create() ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS,
error * sqrt(Ny * (1 + 2 * hbox)), hbox, os_collapse, os_region) ;
/* test compute y direction */
res_os_comp = hdrl_overscan_compute(image_data, os_param);
cpl_test_error(CPL_ERROR_NONE);
{
/* in y direction overscan has same incremental pattern as input */
cpl_image * ex = cpl_image_extract(image_data, 1, 1, Nx, 1);
/* cpl mean implementation has a rather large error */
cpl_test_image_abs(ex, hdrl_image_get_image(res_os_comp->correction),
2 * (1 + 2 * hbox) * Ny * HDRL_EPS_DATA);
/* perfect match => zero chi2 = 0*/
if (hbox == 0) {
cpl_image_subtract(ex, ex);
cpl_test_image_abs(ex, res_os_comp->red_chi2,
2 * (1 + 2 * hbox) * Ny * HDRL_EPS_DATA);
}
/* error constant in middle */
cpl_image_subtract(ex, ex);
cpl_image_add_scalar(ex, error);
/* error larger on boundary */
for (int i = 0; i < hbox; i++) {
double cor = sqrt((1 + 2. * (hbox)) / (1 + 2 * i));
cpl_image_set(ex, 1 + i, 1, error * cor);
cpl_image_set(ex, Nx - i, 1, error * cor);
}
cpl_test_image_abs(ex, hdrl_image_get_error(res_os_comp->correction),
Ny * HDRL_EPS_ERROR);
cpl_image_delete(ex);
}
/* test compute x direction */
hdrl_parameter_delete(os_param) ;
os_param = hdrl_overscan_parameter_create(HDRL_X_AXIS,
error * sqrt(Nx * (1 + 2 * hbox)), hbox, os_collapse, os_region) ;
res_os_comp_turn = hdrl_overscan_compute(image_data, os_param);
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
cpl_test_error(CPL_ERROR_NONE);
{
/* in x direction overscan is the mean of the sum */
cpl_image * ex = cpl_image_new(1, Ny, HDRL_TYPE_DATA);
cpl_image_add_scalar(ex, (Nx - 1.) / 2.);
cpl_test_image_abs(ex,
hdrl_image_get_image(res_os_comp_turn->correction),
2 * (1 + 2 * hbox) * Nx * HDRL_EPS_DATA);
/* reduced chi2 so it should be constant with this pattern */
cpl_image_subtract(ex, ex);
cpl_image_add_scalar(ex, cpl_image_get(res_os_comp_turn->red_chi2,
1, 1, &rej));
cpl_test_image_abs(ex, res_os_comp_turn->red_chi2,
2 * (1 + 2 * hbox) * Nx * HDRL_EPS_DATA);
/* error constant in middle */
cpl_image_subtract(ex, ex);
cpl_image_add_scalar(ex, error);
/* error larger on boundary */
for (int i = 0; i < hbox; i++) {
double cor = sqrt((1 + 2. * (hbox)) / (1 + 2 * i));
cpl_image_set(ex, 1, 1 + i, error * cor);
cpl_image_set(ex, 1, Ny - i, error * cor);
}
cpl_test_image_abs(ex,
hdrl_image_get_error(res_os_comp_turn->correction),
3 * Nx * HDRL_EPS_ERROR);
cpl_image_delete(ex);
}
/* test correct y direction */
res_os_cor = hdrl_overscan_correct(image, NULL, res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
{
/* corrected y direction is just a zero image */
cpl_image * ex = cpl_image_new(Nx, Ny, HDRL_TYPE_DATA);
cpl_test_image_abs(ex, hdrl_image_get_image(res_os_cor->corrected),
2 * (1 + 2 * hbox) * Ny * HDRL_EPS_DATA);
/* gaussian error */
for (cpl_size y = 0; y < Ny; y++) {
for (cpl_size x = 0; x < Nx; x++) {
double val = cpl_image_get(image_errs, x + 1, y + 1, &rej);
cpl_image_set(ex, x + 1, y + 1, hypot(error, val));
}
/* larger on boundaries */
for (int i = 0; i < hbox; i++) {
double cor = sqrt((1 + 2. * (hbox)) / (1 + 2 * i));
double val = cpl_image_get(image_errs, 1 + i, y + 1, &rej);
cpl_image_set(ex, 1 + i, y + 1, hypot(error * cor, val));
val = cpl_image_get(image_errs, Nx - i, y + 1, &rej);
cpl_image_set(ex, Nx - i, y + 1, hypot(error * cor, val));
}
}
cpl_test_image_abs(ex, hdrl_image_get_error(res_os_cor->corrected),
Ny * HDRL_EPS_ERROR);
cpl_image_delete(ex);
}
res_os_cor_turn = hdrl_overscan_correct(image, NULL, res_os_comp_turn);
cpl_test_error(CPL_ERROR_NONE);
{
/* overscan in x direction constant over whole axis */
cpl_image * ex = cpl_image_duplicate(image_data);
cpl_image_subtract_scalar(ex,
hdrl_image_get_pixel(res_os_comp_turn->correction, 1, 1,
&rej).data);
cpl_test_image_abs(ex, hdrl_image_get_image(res_os_cor_turn->corrected),
2 * (1 + 2 * hbox) * Nx * HDRL_EPS_DATA);
/* gaussian error */
for (cpl_size x = 0; x < Nx; x++) {
for (cpl_size y = 0; y < Ny; y++) {
double val = cpl_image_get(image_errs, x + 1, y + 1, &rej);
cpl_image_set(ex, x + 1, y + 1, hypot(error, val));
}
/* larger on boundaries */
for (int i = 0; i < hbox; i++) {
double cor = sqrt((1 + 2. * (hbox)) / (1 + 2 * i));
double val = cpl_image_get(image_errs, 1 + x, 1 + i, &rej);
cpl_image_set(ex, x + 1, 1 + i, hypot(error * cor, val));
val = cpl_image_get(image_errs, x + 1, Ny - i, &rej);
cpl_image_set(ex, x + 1, Ny - i, hypot(error * cor, val));
}
}
cpl_test_image_abs(ex,
hdrl_image_get_error(res_os_cor_turn->corrected),
3 * Nx * HDRL_EPS_ERROR);
cpl_image_delete(ex);
}
hdrl_overscan_compute_result_delete(res_os_comp);
hdrl_overscan_compute_result_delete(res_os_comp_turn);
hdrl_overscan_correct_result_delete(res_os_cor);
hdrl_overscan_correct_result_delete(res_os_cor_turn);
hdrl_image_delete(image);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check single pixel overscan
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_full_hbox(
cpl_size Nx,
cpl_size Ny)
{
const double error = 10;
hdrl_image * image = hdrl_image_new(Nx, Ny);
cpl_image * image_data = hdrl_image_get_image(image);
cpl_image * image_errs = hdrl_image_get_error(image);
hdrl_parameter * os_region = NULL;
hdrl_parameter * os_collapse = NULL;
hdrl_parameter * os_param = NULL;
hdrl_overscan_compute_result * res_os_comp;
hdrl_overscan_correct_result * res_os_cor = NULL;
/* sets overscan to use full region and emit single pixel value */
cpl_msg_info(cpl_func, "check mean full box, Nx %ld, Ny %ld",
(long)Nx, (long)Ny);
/* create image incrementing in x axis, constant in y axis */
for (cpl_size x = 0; x < Nx; x++) {
for (cpl_size y = 0; y < Ny; y++) {
cpl_image_set(image_data, x + 1, y + 1, x);
cpl_image_set(image_errs, x + 1, y + 1, x);
}
}
cpl_image_power(image_errs, 0.5);
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, Nx, Ny);
os_collapse = hdrl_collapse_mean_parameter_create();
/* invalid boxsize */
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS,
error * sqrt(Nx * Ny), -2, os_collapse, os_region);
hdrl_overscan_compute(image_data, os_param);
cpl_test_error(CPL_ERROR_ILLEGAL_INPUT);
/* test compute y direction */
hdrl_parameter_delete(os_param);
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS,
error * sqrt(Nx * Ny),
HDRL_OVERSCAN_FULL_BOX,
os_collapse, os_region);
res_os_comp = hdrl_overscan_compute(image_data, os_param);
hdrl_parameter_delete(os_region);
hdrl_parameter_delete(os_collapse);
hdrl_parameter_delete(os_param);
cpl_test_error(CPL_ERROR_NONE);
{
/* we expect a row with all the same overscan value */
hdrl_image * ex = hdrl_image_new(Nx, 1);
hdrl_image_add_scalar(ex, (hdrl_value){(Nx - 1.) / 2., error});
/* cpl mean implementation has a rather large error */
hdrl_test_image_abs(ex, res_os_comp->correction,
2 * Nx * Ny * HDRL_EPS_DATA);
hdrl_test_image_abs(ex, res_os_comp->correction,
Nx * Ny * HDRL_EPS_DATA);
hdrl_image_delete(ex);
}
hdrl_overscan_compute_result_delete(res_os_comp);
hdrl_overscan_correct_result_delete(res_os_cor);
hdrl_image_delete(image);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check result of turned image when changing direction
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_turn_eq(
cpl_size Nx,
cpl_size Ny,
int hbox,
hdrl_oscan_collapse_test method)
{
cpl_ensure_code(method == HDRL_OSCAN_COLLAPSE_TEST_MEAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_MEDIAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP ||
method == HDRL_OSCAN_COLLAPSE_TEST_MINMAX,
CPL_ERROR_ILLEGAL_INPUT);
hdrl_parameter *os_collapse = NULL;
if (method == HDRL_OSCAN_COLLAPSE_TEST_MEAN) {
cpl_msg_info(cpl_func, "Mean method hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
os_collapse = hdrl_collapse_mean_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_MEDIAN) {
cpl_msg_info(cpl_func, "Median method hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
os_collapse = hdrl_collapse_median_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN) {
cpl_msg_info(cpl_func, "Weighted Median method hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
os_collapse = hdrl_collapse_weighted_mean_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP) {
cpl_msg_info(cpl_func, "Sigma-Clipping method hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
os_collapse = hdrl_collapse_sigclip_parameter_create(3., 3., 3) ;
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_MINMAX) {
cpl_msg_info(cpl_func, "MinMax method hbox %d, Nx %ld, Ny %ld",
hbox, (long)Nx, (long)Ny);
os_collapse = hdrl_collapse_minmax_parameter_create(3, 3);
}
const double error = 10;
hdrl_image *image = hdrl_image_new(Nx, Ny);
hdrl_image *image_t;
cpl_image * image_data = hdrl_image_get_image(image);
cpl_image * image_errs = hdrl_image_get_error(image);
hdrl_parameter *os_region = NULL;
hdrl_parameter *os_param = NULL;
hdrl_overscan_compute_result *res_os_comp = NULL;
hdrl_overscan_compute_result *res_os_comp_turn = NULL;
hdrl_overscan_correct_result *res_os_cor = NULL;
hdrl_overscan_correct_result *res_os_cor_turn = NULL;
for (cpl_size x = 0; x < Nx; x++) {
for (cpl_size y = 0; y < Ny; y++) {
/* small range due to missing cpl_test_img_rel */
double v = (50 - rand() % 100) / (double)((rand() % 50) + 1);
cpl_image_set(image_data, x + 1, y + 1, v);
cpl_image_set(image_errs, x + 1, y + 1, fabs(v));
}
}
cpl_image_power(image_errs, 0.5);
image_t = hdrl_image_duplicate(image);
hdrl_image_turn(image_t, +1);
/* Overscan Parameters */
os_region = hdrl_rect_region_parameter_create(1, 1, Nx, Ny) ;
os_param = hdrl_overscan_parameter_create(HDRL_Y_AXIS,
error * sqrt(Ny * (1 + 2 * hbox)), hbox, os_collapse, os_region) ;
/* test compute y direction */
res_os_comp = hdrl_overscan_compute(image_data, os_param);
cpl_test_error(CPL_ERROR_NONE);
/* test compute x direction */
hdrl_rect_region_parameter_update(os_region, 1, 1, Ny, Nx) ;
hdrl_parameter_delete(os_param) ;
os_param = hdrl_overscan_parameter_create(HDRL_X_AXIS,
error * sqrt(Ny * (1 + 2 * hbox)), hbox, os_collapse, os_region) ;
res_os_comp_turn = hdrl_overscan_compute(hdrl_image_get_image(image_t),
os_param);
cpl_test_error(CPL_ERROR_NONE);
hdrl_parameter_delete(os_region) ;
hdrl_parameter_delete(os_collapse) ;
hdrl_parameter_delete(os_param) ;
{
hdrl_image * cor_t = hdrl_image_duplicate(res_os_comp_turn->correction);
cpl_image * con_t = cpl_image_duplicate(res_os_comp_turn->contribution);
cpl_image * chi_t = cpl_image_duplicate(res_os_comp_turn->red_chi2);
hdrl_image_turn(cor_t, -1);
cpl_image_turn(con_t, -1);
cpl_image_turn(chi_t, -1);
hdrl_test_image_abs(res_os_comp->correction,
cor_t, (1 + hbox) * Ny * HDRL_EPS_DATA);
cpl_test_image_abs(res_os_comp->red_chi2, chi_t,
(1 + hbox) * Ny * HDRL_EPS_DATA);
cpl_test_image_abs(res_os_comp->contribution, con_t, 0);
hdrl_image_delete(cor_t);
cpl_image_delete(con_t);
cpl_image_delete(chi_t);
}
/* test correct y direction */
res_os_cor = hdrl_overscan_correct(image, NULL, res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
res_os_cor_turn = hdrl_overscan_correct(image_t, NULL, res_os_comp_turn);
cpl_test_error(CPL_ERROR_NONE);
hdrl_image_turn(res_os_cor_turn->corrected, -1);
hdrl_test_image_abs(res_os_cor->corrected, res_os_cor_turn->corrected,
(1 + hbox) * Ny * HDRL_EPS_DATA);
/* Get corrected */
hdrl_image *imgCorrected1 = hdrl_overscan_correct_result_get_corrected(res_os_cor);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(imgCorrected1);
hdrl_image *imgCorrected2 = hdrl_overscan_correct_result_unset_corrected(res_os_cor);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(imgCorrected2);
hdrl_image_delete(imgCorrected2);
/* Get badmask */
cpl_image *cpImgBadMask_1 = hdrl_overscan_correct_result_get_badmask(res_os_cor);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgBadMask_1);
cpl_image *cpImgBadMask_2 = hdrl_overscan_correct_result_unset_badmask(res_os_cor);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgBadMask_2);
cpl_image_delete(cpImgBadMask_2);
hdrl_overscan_compute_result_delete(res_os_comp);
hdrl_overscan_compute_result_delete(res_os_comp_turn);
hdrl_overscan_correct_result_delete(res_os_cor);
hdrl_overscan_correct_result_delete(res_os_cor_turn);
hdrl_image_delete(image);
hdrl_image_delete(image_t);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Check case where a overscan box only contains bad pixels
@return cpl_error_code
*/
/*----------------------------------------------------------------------------*/
static cpl_error_code hdrl_overscan_test_empty_box(
hdrl_oscan_collapse_test method)
{
cpl_ensure_code(method == HDRL_OSCAN_COLLAPSE_TEST_MEAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_MEDIAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN ||
method == HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP ||
method == HDRL_OSCAN_COLLAPSE_TEST_MINMAX,
CPL_ERROR_ILLEGAL_INPUT);
/* Overscan Parameters */
hdrl_parameter *os_collapse = NULL;
if(method == HDRL_OSCAN_COLLAPSE_TEST_MEAN) {
cpl_msg_info(cpl_func, "check empty box MEAN");
os_collapse = hdrl_collapse_mean_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_MEDIAN) {
cpl_msg_info(cpl_func, "check empty box MEDIAN");
os_collapse = hdrl_collapse_median_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN) {
cpl_msg_info(cpl_func, "check empty box WEIGHTED_MEAN");
os_collapse = hdrl_collapse_weighted_mean_parameter_create();
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP) {
cpl_msg_info(cpl_func, "check empty box SIGCLIP");
os_collapse = hdrl_collapse_sigclip_parameter_create(3., 3., 3);
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_MINMAX) {
cpl_msg_info(cpl_func, "check empty box MINMAX");
os_collapse = hdrl_collapse_minmax_parameter_create(3, 3);
}
cpl_size Nx = 10;
cpl_size Ny = 10;
cpl_image *image_data = cpl_image_new(Nx, Ny, HDRL_TYPE_DATA);
hdrl_parameter *os_region = hdrl_rect_region_parameter_create(1, 1, Nx, Ny);
hdrl_parameter *os_param = hdrl_overscan_parameter_create(
HDRL_Y_AXIS, 1., 0, os_collapse, os_region);
/* reject one row (= one box */
for (cpl_size i = 0; i < Ny; i++) cpl_image_reject(image_data, 2, i + 1);
/* test compute y direction */
hdrl_overscan_compute_result *res_os_comp;
res_os_comp = hdrl_overscan_compute(image_data, os_param);
cpl_test_error(CPL_ERROR_NONE);
hdrl_parameter_delete(os_region);
hdrl_parameter_delete(os_collapse);
hdrl_parameter_delete(os_param);
int rej;
cpl_test_eq(cpl_image_get(res_os_comp->contribution, 2, 1, &rej), 0);
cpl_test(hdrl_image_is_rejected(res_os_comp->correction, 2, 1));
cpl_test(cpl_image_is_rejected(res_os_comp->red_chi2, 2, 1));
/* Get correction */
hdrl_image *img1 = hdrl_overscan_compute_result_get_correction(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(img1);
hdrl_image *img2 = hdrl_overscan_compute_result_unset_correction(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(img2);
hdrl_image_delete(img2);
/* Get contribution */
cpl_image *cpImg1 = hdrl_overscan_compute_result_get_contribution(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImg1);
cpl_image *cpImg2 = hdrl_overscan_compute_result_unset_contribution(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImg2);
cpl_image_delete(cpImg2);
/* Get chi2 */
cpl_image *cpImgCh2_1 = hdrl_overscan_compute_result_get_chi2(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgCh2_1);
cpl_image *cpImgCh2_2 = hdrl_overscan_compute_result_unset_chi2(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgCh2_2);
cpl_image_delete(cpImgCh2_2);
/* Get red chi2 */
cpl_image *cpImgRedCh2_1 = hdrl_overscan_compute_result_get_red_chi2(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgRedCh2_1);
cpl_image *cpImgRedCh2_2 = hdrl_overscan_compute_result_unset_red_chi2(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgRedCh2_2);
cpl_image_delete(cpImgRedCh2_2);
/* Overscan Parameters - SigClip and MinMax*/
if (method == HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP) {
/* Get overscan SigClip Low */
cpl_image *cpImgSGLow_1 = hdrl_overscan_compute_result_get_sigclip_reject_low(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgSGLow_1);
cpl_image *cpImgSGLow_2 = hdrl_overscan_compute_result_unset_sigclip_reject_low(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgSGLow_2);
cpl_image_delete(cpImgSGLow_2);
/* Get overscan SigClip High */
cpl_image *cpImgSGHigh_1 = hdrl_overscan_compute_result_get_sigclip_reject_high(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgSGHigh_1);
cpl_image *cpImgSGHigh_2 = hdrl_overscan_compute_result_unset_sigclip_reject_high(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgSGHigh_2);
cpl_image_delete(cpImgSGHigh_2);
} else if (method == HDRL_OSCAN_COLLAPSE_TEST_MINMAX) {
/* Get overscan MinMax Low */
cpl_image *cpImgMMLow_1 = hdrl_overscan_compute_result_get_minmax_reject_low(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgMMLow_1);
cpl_image *cpImgMMLow_2 = hdrl_overscan_compute_result_unset_minmax_reject_low(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgMMLow_2);
cpl_image_delete(cpImgMMLow_2);
/* Get overscan MinMax High */
cpl_image *cpImgMMHigh_1 = hdrl_overscan_compute_result_get_minmax_reject_high(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgMMHigh_1);
cpl_image *cpImgMMHigh_2 = hdrl_overscan_compute_result_unset_minmax_reject_high(res_os_comp);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(cpImgMMHigh_2);
cpl_image_delete(cpImgMMHigh_2);
}
hdrl_overscan_compute_result_delete(res_os_comp);
cpl_image_delete(image_data);
return cpl_error_get_code();
}
/*----------------------------------------------------------------------------*/
/**
@brief Unit tests of overscan functions module
*/
/*----------------------------------------------------------------------------*/
int main(void)
{
cpl_test_init(PACKAGE_BUGREPORT, CPL_MSG_WARNING);
cpl_error_code code;
double inp_value = 0;
/* parameter parsing tests */
test_parlist();
/* Overscan with NULL input images */
code = hdrl_overscan_test_null_input();
cpl_test_eq_error(code, CPL_ERROR_NULL_INPUT);
/* Overscan with NULL region */
code = hdrl_overscan_test_null_region();
cpl_test_eq_error(code, CPL_ERROR_ILLEGAL_INPUT);
/* Overscan with NULL sigclip */
code = hdrl_overscan_test_null_sigclip();
cpl_test_eq_error(code, CPL_ERROR_ILLEGAL_INPUT);
/* Overscan with NULL control */
code = hdrl_overscan_test_null_params();
cpl_test_eq_error(code, CPL_ERROR_NULL_INPUT);
/* Overscan with wrong region */
code = hdrl_overscan_test_wrong_region();
cpl_test_eq_error(code, CPL_ERROR_NONE);
/* Check expected results with uniform frame */
hdrl_overscan_test_uniform_image(inp_value);
cpl_size anx[] = {97, 45, 200};
cpl_size any[] = {575, 34, 200};
hdrl_overscan_test_turn_eq(0, 0, 0, -1);
cpl_test_error(CPL_ERROR_ILLEGAL_INPUT);
for (size_t i = 0; i < sizeof(anx) / sizeof(anx[0]); i++) {
cpl_size nx = anx[i];
cpl_size ny = any[i];
for (int hbox = 0; hbox < 12; hbox++) {
hdrl_overscan_test_dir(nx, ny, hbox);
}
for (int hbox = 0; hbox < 6; hbox+=2) {
hdrl_overscan_test_turn_eq(nx, ny, hbox,
HDRL_OSCAN_COLLAPSE_TEST_MEAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_turn_eq(nx, ny, hbox,
HDRL_OSCAN_COLLAPSE_TEST_MEDIAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_turn_eq(nx, ny, hbox,
HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_turn_eq(nx, ny, hbox,
HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_turn_eq(nx, ny, hbox,
HDRL_OSCAN_COLLAPSE_TEST_MINMAX);
cpl_test_error(CPL_ERROR_NONE);
}
hdrl_overscan_test_full_hbox(nx, ny);
}
hdrl_overscan_test_empty_box(-1);
cpl_test_error(CPL_ERROR_ILLEGAL_INPUT);
hdrl_overscan_test_empty_box(HDRL_OSCAN_COLLAPSE_TEST_MEAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_empty_box(HDRL_OSCAN_COLLAPSE_TEST_MEDIAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_empty_box(HDRL_OSCAN_COLLAPSE_TEST_WEIGHTED_MEAN);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_empty_box(HDRL_OSCAN_COLLAPSE_TEST_SIGCLIP);
cpl_test_error(CPL_ERROR_NONE);
hdrl_overscan_test_empty_box(HDRL_OSCAN_COLLAPSE_TEST_MINMAX);
cpl_test_error(CPL_ERROR_NONE);
/** \todo Test expected results with uniform frame + spikes */
//cpl_test(hdrl_overscan_test_uniform_image_and_outliers(),value);
/** \todo Test expected results with uniform frame + noise */
//cpl_test(hdrl_overscan_test_uniform_image_and_noise(),value);
return cpl_test_end(0);
}
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