diff options
Diffstat (limited to 'utils/tuning/libtuning/macbeth.py')
| -rw-r--r-- | utils/tuning/libtuning/macbeth.py | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/utils/tuning/libtuning/macbeth.py b/utils/tuning/libtuning/macbeth.py index e1182464..81f3e87c 100644 --- a/utils/tuning/libtuning/macbeth.py +++ b/utils/tuning/libtuning/macbeth.py @@ -403,10 +403,15 @@ def find_macbeth(img, mac_config): # nothing more is tried as this is a high enough confidence to ensure # reliable macbeth square centre placement. + # Keep a list that will include this and any brightened up versions of + # the image for reuse. + all_images = [img] + for brightness in [2, 4]: if cor >= 0.75: break img_br = cv2.convertScaleAbs(img, alpha=brightness, beta=0) + all_images.append(img_br) cor_b, mac_b, coords_b, ret_b = get_macbeth_chart(img_br, ref_data) if cor_b > cor: cor, mac, coords, ret = cor_b, mac_b, coords_b, ret_b @@ -456,23 +461,24 @@ def find_macbeth(img, mac_config): w_inc = int(w * pair['inc']) h_inc = int(h * pair['inc']) - loop = ((1 - pair['sel']) / pair['inc']) + 1 + loop = int(((1 - pair['sel']) / pair['inc']) + 1) # For each subselection, look for a macbeth chart - for i in range(loop): - for j in range(loop): - w_s, h_s = i * w_inc, j * h_inc - img_sel = img[w_s:w_s + w_sel, h_s:h_s + h_sel] - cor_ij, mac_ij, coords_ij, ret_ij = get_macbeth_chart(img_sel, ref_data) - - # If the correlation is better than the best then record the - # scale and current subselection at which macbeth chart was - # found. Also record the coordinates, macbeth chart and message. - if cor_ij > cor: - cor = cor_ij - mac, coords, ret = mac_ij, coords_ij, ret_ij - ii, jj = i, j - w_best, h_best = w_inc, h_inc - d_best = index + 1 + for img_br in all_images: + for i in range(loop): + for j in range(loop): + w_s, h_s = i * w_inc, j * h_inc + img_sel = img_br[w_s:w_s + w_sel, h_s:h_s + h_sel] + cor_ij, mac_ij, coords_ij, ret_ij = get_macbeth_chart(img_sel, ref_data) + + # If the correlation is better than the best then record the + # scale and current subselection at which macbeth chart was + # found. Also record the coordinates, macbeth chart and message. + if cor_ij > cor: + cor = cor_ij + mac, coords, ret = mac_ij, coords_ij, ret_ij + ii, jj = i, j + w_best, h_best = w_inc, h_inc + d_best = index + 1 # Transform coordinates from subselection to original image if ii != -1: |