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Author SHA1 Message Date
Robert Sachunsky
6e57ab3741 textline_contours_postprocessing: do not catch arbitrary exceptions 2025-10-09 20:14:11 +02:00
Robert Sachunsky
fe603188f4 avoid unnecessary 3-channel conversions 2025-10-09 20:14:11 +02:00
Robert Sachunsky
155b8f68b8 matching deskewed text region contours with predicted: improve 
- avoid duplicate and missing mappings by using a different approach:
  instead of just minimising the center distance for the N contours
  that we expect,
  1. get all N:M distances
  2. iterate over them from small to large
  3. continue adding correspondences until both every original contour
     and every deskewed contour have at least one match
  4. where one original matches multiple deskewed contours,
     join the latter polygons to map as single contour
  5. where one deskewed contour matches multiple originals,
     split the former by intersecting with each of the latter
     (after bringing them into the same coordinate space),
     so ultimately only the respective match gets assigned
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
0e00d7868b matching deskewed text region contours with predicted: improve 
- apply same min-area filter to deskewed contours as to original ones
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
0f33c21eb3 matching deskewed text region contours with predicted: improve 
- when matching undeskewed and new contours, do not just
  pick the closest centers, respectively, but also of similar
  size (by making the contour area the 3rd dimension of the
  vector norm in the distance calculation)
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
73e5a1def8 matching deskewed text region contours with predicted: simplify 
- (no need for argmax if already sorted)
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
d774a23daa matching deskewed text region contours with predicted: simplify 
- avoid loops in favour of array processing
- improve readability and identifiers
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
29b4527bde do_order_of_regions: simplify 
- remove duplicate code via inline def for the try-catch
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
e674ea08f3 do_order_of_regions: drop redundant no/full_layout 
(`_no_full_layout` is the same copied code as `_full_layout`;
 the latter runs just the same if passed an empty list for headings)
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
e9bb62bd86 do_order_of_regions: simplify 
- avoid loops in favour of array processing
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
7387f5a929 do_order_of_regions: improve box matching, simplify 
- when searching for boxes matching contour, be more precise:
  - avoid heuristic rules ("xmin + 80 within xrange") in favour
    of exact criteria (contour properly contained in box)
  - for fallback criterion (nearest centers), also require
    proper containment of center in box
- `order_of_regions`: remove (now) unnecessary (and insufficient)
  workaround for missing indexes (if boxes are not covering contours
  exactly)
 2025-10-09 20:14:11 +02:00
Robert Sachunsky
4950e6bd78 order_of_regions: simplify 
- use new `find_center_of_contours`
- avoid unused calculations
- avoid loops in favour of array processing
 2025-10-09 20:14:10 +02:00
Robert Sachunsky
a1c8fd4467 do_order_of_regions / order_of_regions: simplify 
- array-convert only once (before returning from `order_of_regions`)
- avoid passing `matrix_of_orders` unnecessarily between
  `order_of_regions` and `order_and_id_of_texts`
 2025-10-09 20:14:10 +02:00
Robert Sachunsky
415b2cbad8 eynollah, drop_capitals: simplify 
- use new `find_center_of_contours`
 2025-10-09 20:14:10 +02:00
Robert Sachunsky
3f3353ec3a do_order_of_regions: simplify 
- avoid loops in favour of array processing
 2025-10-09 20:14:10 +02:00
Robert Sachunsky
8c3d5eb0eb separate_marginals_to_left_and_right_and_order_from_top_to_down: simplify 
- use new `find_center_of_contours`
- avoid loops in favour of array processing
- avoid repeated sorting
 2025-10-09 20:14:10 +02:00
Robert Sachunsky
81827c2942 filter_contours_inside_a_bigger_one: simplify 
- use new `find_center_of_contours`
- avoid loops in favour of array processing
- use sets instead of `np.unique` and `np.delete` instead of list.pop
 2025-10-06 13:32:34 +02:00
Robert Sachunsky
0b9d4901a6 contour features: avoid unused calculations, simplify, add shortcuts 
- new function: `find_center_of_contours`
- simplified: `find_(new_)features_of_contours`
 2025-10-02 20:51:03 +02:00
Robert Sachunsky
3aa7ad04fa 📝 update changelog 2025-09-30 23:14:52 +02:00
Robert Sachunsky
f0de1adabf rm loky dependency 2025-09-30 23:12:18 +02:00
Robert Sachunsky
7daec392b9 Dockerfile: fix up CUDA installation for mixed TF/Torch 2025-09-30 22:10:45 +02:00
Robert Sachunsky
ad129ed46c CI: remove OS from model cache keys 2025-09-30 22:05:53 +02:00
Robert Sachunsky
c86e59f481 CI: update model key, split up cache restore/save 2025-09-30 22:03:46 +02:00
Robert Sachunsky
a3d8197930 makefile: update model URL 2025-09-30 21:50:21 +02:00
Robert Sachunsky
61b20cc83d tests: switch from subtests to parametrize, use --isolate everywhere to free CUDA memory in between 2025-09-30 19:20:35 +02:00
Robert Sachunsky
375e0263d4 CNN-RNN OCR model: switch to 20250930 version (compatible with TF 2.12 on CPU as well) 2025-09-30 19:16:50 +02:00
Robert Sachunsky
b21051db21 ProcessPoolExecutor: shutdown during del() instead of atexit() 2025-09-30 19:16:00 +02:00
Robert Sachunsky
08c8c26028 indent extremely long lines 2025-09-30 03:52:19 +02:00
Robert Sachunsky
f857ee7b51 simplify 2025-09-30 02:26:00 +02:00
Robert Sachunsky
c0137c29ad try to fix the failed outsourcing of utils_ocr 2025-09-30 02:23:43 +02:00
Robert Sachunsky
13f85b0d5c Merge branch 'main' into loky-with-shm-for-175-rebuilt 2025-09-30 02:07:20 +02:00
Robert Sachunsky
758602403e replace loky with concurrent.futures.ProcessPoolExecutor (faster) 2025-09-29 17:48:22 +02:00
Robert Sachunsky
0366707136 get_smallest_skew: do not pass logger 2025-09-29 17:48:22 +02:00
Robert Sachunsky
b94c96fcbb find_num_col: exit early if empty (avoiding exceptions) 2025-09-29 17:48:22 +02:00
Robert Sachunsky
04c3d7dd1b get_smallest_skew: avoid shm if no ProcessPoolExecutor is passed 2025-09-29 17:48:22 +02:00
Robert Sachunsky
0662ece536 do_work_of_slopes*: use shm also in non-light mode(s) 2025-09-29 17:48:22 +02:00
Robert Sachunsky
31f240c3b8 do_image_rotation, do_work_of_slopes_new_curved: pass arrays via shared memory 2025-09-29 17:48:22 +02:00
Robert Sachunsky
8be2c79771 Revert "deskewing with faster multiprocessing" 
This reverts commit 5db3e9fa64.
 2025-09-29 17:48:22 +02:00
Robert Sachunsky
abf5c0f845 get_smallest_skew: when shifting search range of rotation angle, compare resulting (maximum) variances instead of blindly assuming the new range is better 2025-09-29 17:48:22 +02:00
Robert Sachunsky
dc0caad512 writer: use @type='heading' instead of 'header' 2025-09-29 17:48:22 +02:00
Robert Sachunsky
f458e3ece0 writer: SeparatorRegion needs SeparatorRegionType (not ImageRegionType) 2025-09-29 17:48:22 +02:00
Robert Sachunsky
4337d62985 contours: rename 'pixel' → 'label' for clarity 2025-09-29 17:48:22 +02:00
Robert Sachunsky
5b16c2fc00 avoid pulling unused 'image_page_rotated' through functions 2025-09-29 17:48:22 +02:00
Robert Sachunsky
5bff2d156a use box2rect instead of crop_image_inside_box when no image needed 2025-09-29 17:48:22 +02:00
Robert Sachunsky
9b5182c1c0 utils: introduce box2rect and box2slice 2025-09-29 17:48:19 +02:00
Robert Sachunsky
bca2ae3d78 get_marginals: exit early if no peaks found to avoid spurious overlap mask 2025-09-29 17:47:51 +02:00
Robert Sachunsky
235539a350 filter_contours_without_textline_inside: avoid removing from identical lists twice 2025-09-29 17:47:51 +02:00
Robert Sachunsky
11e143afee polygon2contour: avoid overflow 2025-09-29 17:47:51 +02:00
Robert Sachunsky
7a9e8256ee increase dilatation: textregions/lines (5→6), seplines (0→1) 2025-09-29 17:47:51 +02:00
Robert Sachunsky
f3faa29528 refactor shapely converisons into contour2polygon / polygon2contour, also handle heterogeneous geometries 2025-09-29 17:47:51 +02:00