File size: 2,776 Bytes
a004b67 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | """Adapt the BaFCo release export to the structures the eval/inference pipeline expects."""
import json
import os
import shutil
def _load(path):
with open(path, "r", encoding="utf-8") as f:
return json.load(f)
def load_dla_targets(export_path):
targets = []
for f in _load(export_path):
result = []
for pg in f.get("pages", []):
ow, oh = pg.get("original_width"), pg.get("original_height")
for b in pg.get("boxes", []):
result.append({
"type": "rectanglelabels",
"id": b.get("id"),
"original_width": ow,
"original_height": oh,
"item_index": pg.get("page", 0),
"image_rotation": 0,
"value": {
"x": b.get("x"), "y": b.get("y"),
"width": b.get("width"), "height": b.get("height"),
"rotation": b.get("rotation", 0),
"rectanglelabels": [b.get("label")],
},
})
for r in f.get("relations", []):
result.append({"type": "relation", "from_id": r.get("from_id"),
"to_id": r.get("to_id"), "direction": r.get("direction")})
targets.append({
"id": f["id"],
"inner_id": f.get("inner_id", f["id"]),
"data": {"pages": list(f.get("local_images", []))},
"annotations": [{"result": result}],
})
return targets
def load_kie_forms(export_path):
forms = _load(export_path)
for f in forms:
if "id" not in f or "annotations" not in f:
raise ValueError(f"KIE form missing id/annotations: {f.get('id')}")
for pg in f["annotations"]:
if "page" not in pg or "annotations" not in pg:
raise ValueError(f"KIE form {f['id']} page block missing page/annotations")
return forms
def resolve_release_image(export_root, form, page_index):
rels = form.get("local_images") or []
if not 0 <= page_index < len(rels):
raise IndexError(f"page {page_index} out of range for form {form.get('id')}")
return os.path.join(export_root, *rels[page_index].split("/"))
def stage_kie_flat_images(export_path, dest_dir):
export_root = os.path.dirname(os.path.abspath(export_path))
os.makedirs(dest_dir, exist_ok=True)
n = 0
for f in _load(export_path):
for page_index, rel in enumerate(f.get("local_images", [])):
src = os.path.join(export_root, *rel.split("/"))
ext = os.path.splitext(rel)[1] or ".jpg"
shutil.copy2(src, os.path.join(dest_dir, f"{f['id']}_{page_index}{ext}"))
n += 1
return n
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