summaryrefslogtreecommitdiff
path: root/src/Stitch.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'src/Stitch.cxx')
-rw-r--r--src/Stitch.cxx296
1 files changed, 1 insertions, 295 deletions
diff --git a/src/Stitch.cxx b/src/Stitch.cxx
index d59fc87..49d2c77 100644
--- a/src/Stitch.cxx
+++ b/src/Stitch.cxx
@@ -27,17 +27,10 @@ Stitch::Stitch() {
for (int i=0; i<MAX_PICS; i++) {
gipf[i] = NULL;
single_images[i] = NULL;
- for (int l=0; l<3; l++) {
- color_adjust[i][l] = 1.0;
- }
}
merged_image = NULL;
num_pics = 0;
- V[0] = 0.0;
- V[1] = 0.0;
- V[2] = 0.0;
- V[3] = 0.0;
}
Stitch::~Stitch() {
@@ -94,293 +87,6 @@ Stitch::set_output(const char *file, OutputImage *img) {
return ret;
}
-
-static int
-similar_color(double *c1, double *c2) {
- for (int i=0; i<3; i++) {
- if (c1[i] > MAX_VALUE * 0.9 || c1[i] < MAX_VALUE * 0.1 ||
- c2[i] > MAX_VALUE * 0.9 || c2[i] < MAX_VALUE * 0.1) {
- return 0;
- }
- }
-
- if (fabs(c1[1] / c1[0] - c2[1] / c2[0]) < 0.05 &&
- fabs(c1[1] / c1[2] - c2[1] / c2[2]) < 0.05 &&
- fabs(c1[2] / c1[0] - c2[2] / c2[0]) < 0.05 ) {
- return 1;
- } else {
- return 0;
- }
-}
-
-static int
-var_offset(int pic, int color) {
- return (pic - 1) * 3 + color;
-}
-
-int
-Stitch::color_calib(GipfelWidget::sample_mode_t m,
- int w, int h, double view_start, double view_end) {
-
- w = 1500;
- h = 400;
-
- view_start = view_start * deg2rad;
- view_end = view_end * deg2rad;
-
- double step_view = (view_end - view_start) / w;
- int y_off = h / 2;
- int merged_pixel_set;
- double radius = (double) w / (view_end -view_start);
-
- int max_samples = 20000 * 3, n_samples = 0;
- int ret;
- int n_vars = (num_pics - 1) * 3;
- gsl_matrix *X, *cov;
- gsl_vector *yv, *c;
- double chisq;
-
- X = gsl_matrix_calloc(max_samples, n_vars);
- yv = gsl_vector_calloc(max_samples);
- c = gsl_vector_calloc(n_vars);
- cov = gsl_matrix_calloc (n_vars, n_vars);
-
- if (merged_image) {
- merged_image->init(w, h);
- }
-
- for (int y = 0; y < h; y++) {
- double a_nick = atan((double)(y_off - y)/radius);
-
- for (int x = 0; x < w; x++) {
- double a_view;
- a_view = view_start + x * step_view;
- merged_pixel_set = 0;
- int c1[3], c2[3];
- double c1d[3], c2d[3];
-
- for (int p1 = 0; p1 < num_pics; p1++) {
- if (get_pixel(m, p1, a_view, a_nick,
- &c1[0], &c1[1], &c1[2]) == 0) {
-
- for (int l = 0; l<3; l++) {
- c1d[l] = (double) c1[l];
- }
-
- for (int p2 = p1 + 1; p2 < num_pics; p2++) {
-
- if (get_pixel(m, p2, a_view, a_nick,
- &c2[0], &c2[1], &c2[2]) == 0) {
-
- for (int l = 0; l<3; l++) {
- c2d[l] = (double) c2[l];
- }
-
-
- if (n_samples < max_samples &&
- similar_color(c1d, c2d)) {
-
- for (int l = 0; l<3; l++) {
- if (p1 == 0) {
- gsl_matrix_set(X, n_samples, var_offset(p2, l), c2d[l]);
-
- gsl_vector_set(yv, n_samples, c1d[l]);
- } else {
- gsl_matrix_set(X, n_samples, var_offset(p1, l), c1d[l]);
- gsl_matrix_set(X, n_samples, var_offset(p2, l), -c2d[l]);
-
- gsl_vector_set(yv, n_samples, 0.0);
- }
- n_samples++;
- }
-
- if (merged_image) {
- merged_image->set_pixel(x, 0, 0, 65025);
- merged_pixel_set++;
- }
- }
-
- }
- }
-
- if (!merged_pixel_set && merged_image) {
- merged_image->set_pixel(x, c1[0], c1[1], c1[2]);
- merged_pixel_set++;
- }
-
- }
- }
- }
- if (merged_image) {
- merged_image->next_line();
- }
- }
-
- if (merged_image) {
- merged_image->done();
- }
-
- gsl_multifit_linear_workspace * work
- = gsl_multifit_linear_alloc (max_samples, n_vars);
-
- ret = gsl_multifit_linear (X, yv, c, cov, &chisq, work);
- gsl_multifit_linear_free (work);
-
- for (int i = 1; i < num_pics; i++) {
- for (int l = 0; l<3; l++) {
- color_adjust[i][l] = gsl_vector_get(c, var_offset(i, l));
- }
-
- fprintf(stderr, "color_adjust(%d) %f\n", i, color_adjust[i][0]);
- }
-
- return 0;
-}
-
-double
-Stitch::vignetting_parameter(int pic, double a_view, double a_nick) {
- return 1.0/pow(cos(gipf[pic]->get_angle_off(a_view, a_nick)), 4.0);
-}
-
-int
-Stitch::vignette_calib(GipfelWidget::sample_mode_t m,
- int w, int h, double view_start, double view_end) {
-
- w = 1500;
- h = 400;
-
- view_start = view_start * deg2rad;
- view_end = view_end * deg2rad;
-
- double step_view = (view_end - view_start) / w;
- int y_off = h / 2;
- int merged_pixel_set;
- double radius = (double) w / (view_end -view_start);
-
- int max_samples = 20000 * 3, n_samples = 0;
- int ret;
- int n_vars = 1;
- gsl_matrix *X, *cov;
- gsl_vector *yv, *c;
- double chisq;
-
- X = gsl_matrix_calloc(max_samples, n_vars);
- yv = gsl_vector_calloc(max_samples);
- c = gsl_vector_calloc(n_vars);
- cov = gsl_matrix_calloc (n_vars, n_vars);
-
- if (merged_image) {
- merged_image->init(w, h);
- }
-
- for (int y = 0; y < h; y++) {
- double a_nick = atan((double)(y_off - y)/radius);
-
- for (int x = 0; x < w; x++) {
- double a_view;
- a_view = view_start + x * step_view;
- merged_pixel_set = 0;
- int c1[3], c2[3];
- double c1d[3], c2d[3];
-
- for (int p1 = 0; p1 < num_pics; p1++) {
- if (get_pixel(m, p1, a_view, a_nick,
- &c1[0], &c1[1], &c1[2]) == 0) {
-
- for (int l = 0; l<3; l++) {
- c1d[l] = (double) c1[l];
- }
-
- double a1 = vignetting_parameter(p1, a_view, a_nick);
-
- for (int p2 = p1 + 1; p2 < num_pics; p2++) {
-
- if (get_pixel(m, p2, a_view, a_nick,
- &c2[0], &c2[1], &c2[2]) == 0) {
-
- for (int l = 0; l<3; l++) {
- c2d[l] = (double) c2[l];
- }
-
-
- if (n_samples < max_samples &&
- similar_color(c1d, c2d)) {
-
- double a2 = vignetting_parameter(p2, a_view, a_nick);
-
- for (int l = 0; l<3; l++) {
- gsl_matrix_set(X, n_samples, 0, a1 * c1d[l] - a2 * c2d[l]);
-
- gsl_vector_set(yv, n_samples, c2d[l] - c1d[l]);
- n_samples++;
- }
-
- if (merged_image) {
- merged_image->set_pixel(x, 65025, 0, 0);
- merged_pixel_set++;
- }
- }
-
- }
- }
-
- if (!merged_pixel_set && merged_image) {
- merged_image->set_pixel(x, c1[0], c1[1], c1[2]);
- merged_pixel_set++;
- }
-
- }
- }
- }
- if (merged_image) {
- merged_image->next_line();
- }
- }
-
- if (merged_image) {
- merged_image->done();
- }
-
- gsl_multifit_linear_workspace * work
- = gsl_multifit_linear_alloc (max_samples, n_vars);
-
- ret = gsl_multifit_linear (X, yv, c, cov, &chisq, work);
- gsl_multifit_linear_free (work);
-
- for (int i=0; i < n_vars; i++) {
- V[i] = gsl_vector_get(c, i);
- fprintf(stderr, "==> V[i] %f\n", V[i]);
- }
-
- return 0;
-}
-
-int
-Stitch::color_correct(int c, double a, int pic, int color) {
- double cd = (double) c;
-
- cd = cd * color_adjust[pic][color] * a;
-
- return MAX(MIN((int) rint(cd), 65025), 0);
-}
-
-int
-Stitch::get_pixel(GipfelWidget::sample_mode_t m, int pic,
- double a_view, double a_nick, int *r, int *g, int *b) {
-
- if (gipf[pic]->get_pixel(m, a_view, a_nick, r, g, b) != 0) {
- return 1;
- }
-
- double a = vignetting_parameter(pic, a_view, a_nick);
-
- *r = color_correct(*r, a, pic, 0);
- *g = color_correct(*g, a, pic, 1);
- *b = color_correct(*b, a, pic, 2);
-
- return 0;
-}
-
int
Stitch::resample(GipfelWidget::sample_mode_t m,
int w, int h, double view_start, double view_end) {
@@ -413,7 +119,7 @@ Stitch::resample(GipfelWidget::sample_mode_t m,
a_view = view_start + x * step_view;
merged_pixel_set = 0;
for (int i = 0; i < num_pics; i++) {
- if (get_pixel(m, i, a_view, a_nick,
+ if (gipf[i]->get_pixel(m, a_view, a_nick,
&r, &g, &b) == 0) {
if (single_images[i]) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:04:25 +0000