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| author | Johannes Hofmann <Johannes.Hofmann@gmx.de> | 2007-03-16 18:52:53 +0100 |
|---|---|---|
| committer | Johannes Hofmann <Johannes.Hofmann@gmx.de> | 2007-03-16 18:52:53 +0100 |
| commit | 000be35edac2639dcf16f245ac120c5937813139 (patch) | |
| tree | ae104725cba2291db82ab458c53291c07bf9decc /src/Stitch.cxx | |
| parent | d09316016e4e0b782d784785641fec91de7d58a6 (diff) | |
only vignetting correction for first image
Diffstat (limited to 'src/Stitch.cxx')
| -rw-r--r-- | src/Stitch.cxx | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/src/Stitch.cxx b/src/Stitch.cxx index af0df91..1635dd0 100644 --- a/src/Stitch.cxx +++ b/src/Stitch.cxx @@ -104,7 +104,7 @@ Stitch::vignette_calib(GipfelWidget::sample_mode_t m, int merged_pixel_set; double radius = (double) w / (view_end -view_start); - int max_samples = 50000 * 3, n_samples = 0; + int max_samples = 10000 * 3, n_samples = 0; int ret; int n_vars = 2 + num_pics * 3 ; gsl_matrix *X, *cov; @@ -143,7 +143,7 @@ Stitch::vignette_calib(GipfelWidget::sample_mode_t m, a1 = gipf[p1]->get_angle_off(a_view, a_nick); - for (int p2=1; p2<num_pics; p2++) { + for (int p2=0; p2<num_pics; p2++) { if (p1 == p2) { continue; } else if (gipf[p2] == NULL) { @@ -169,26 +169,32 @@ Stitch::vignette_calib(GipfelWidget::sample_mode_t m, c1[2] > MAX_VALUE * 0.2 && c2[0] > MAX_VALUE * 0.2 && c2[1] > MAX_VALUE * 0.2 && - c2[2] > MAX_VALUE * 0.2) { -// fabs(c1d[1] / c1d[0] - c2d[1] / c2d[0]) < 0.2 && -// fabs(c1d[2] / c1d[0] - c2d[2] / c2d[0]) < 0.2 ) { + c2[2] > MAX_VALUE * 0.2 && + fabs(c1d[1] / c1d[0] - c2d[1] / c2d[0]) < 0.2 && + fabs(c1d[2] / c1d[0] - c2d[2] / c2d[0]) < 0.2 ) { for (int l = 0; l<3; l++) { if (p1 == 0) { + // no color correction for first image + gsl_matrix_set(X, n_samples, 0, c1d[l] * a1 * a1); + gsl_matrix_set(X, n_samples, 1, c1d[l] * a1 *a1 * a1 * a1); + gsl_vector_set(yv, n_samples, -c1d[l]); + } else { gsl_matrix_set(X, n_samples, 0, c1d[l] * a1 * a1); gsl_matrix_set(X, n_samples, 1, c1d[l] * a1 *a1 * a1 * a1); gsl_matrix_set(X, n_samples, var_offset(p1, l), c1d[l]); - gsl_vector_set(yv, n_samples, c1d[l]); - n_samples++; + gsl_vector_set(yv, n_samples, 0.0); + } + if (p2 == 0) { + // no color correction for first image + gsl_matrix_set(X, n_samples, 0, -c2d[l] * a1 * a1); + gsl_matrix_set(X, n_samples, 1, -c2d[l] * a1 *a1 * a1 * a1); + gsl_vector_set(yv, n_samples, c2d[l]); + } else { + gsl_matrix_set(X, n_samples, 0, - c2d[l] * a2 * a2); + gsl_matrix_set(X, n_samples, 1, - c2d[l] * a2 * a2 * a2 * a2); + gsl_matrix_set(X, n_samples, var_offset(p2, l), - c2d[l]); } - - gsl_matrix_set(X, n_samples, 0, c1d[l] * a1 * a1); - gsl_matrix_set(X, n_samples, 0, - c2d[l] * a2 * a2); - gsl_matrix_set(X, n_samples, 1, c1d[l] * a1 *a1 * a1 * a1); - gsl_matrix_set(X, n_samples, 1, - c2d[l] * a2 * a2 * a2 * a2); - 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++; } @@ -228,7 +234,11 @@ Stitch::vignette_calib(GipfelWidget::sample_mode_t m, for (int p1=0; p1 < num_pics; p1++) { for (int l = 0; l<3; l++) { - color_adjust[p1][l] = gsl_vector_get(c, var_offset(p1, l)); + if (p1 == 0) { + color_adjust[p1][l] = 1.0; + } else { + color_adjust[p1][l] = gsl_vector_get(c, var_offset(p1, l)); + } } fprintf(stderr, "==> color_adjust(%d) %f %f %f\n", p1, color_adjust[p1][0], color_adjust[p1][1],color_adjust[p1][2]); } |