Function build_candidate_chars

app/services/tenvision_adapter.py:619–632

(image, items, prompt_item, image_h, image_w, prompt_chars=None, engine=None)

        candidates.extend(split_ocr_item(image, item, prompt_chars=prompt_chars, engine=engine))
    candidates = [
        cand
        for cand in candidates
        if len(cand.get('char') or '') == 1 or (prompt_chars and not cand.get('char'))
    ]
    candidates = sorted(candidates, key=lambda cand: (cand['bbox'][1], cand['bbox'][0]))
    candidates = repair_candidates_by_prompt(candidates, prompt_chars or [])
    return candidates


def match_prompt_to_candidates(prompt_chars, candidate_chars):
    buckets = {}
    for candidate in candidate_chars:
        buckets.setdefault(candidate['char'], []).append(candidate)

    for char in buckets:
        buckets[char].sort(key=lambda cand: (-cand['score'], -cand['area']))