Remove flat: scripts/track_a_multiview.py
Browse files- scripts/track_a_multiview.py +0 -343
scripts/track_a_multiview.py
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"""Track A: Multi-view correspondence eval on design patent rasters.
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Two tasks:
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Task 1 — Viewpoint identification: given one figure, name the viewpoint.
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Task 2 — Cross-view retrieval: given figure_0, select the correct
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"front elevational" view from 4 candidates (1 correct + 3 distractors
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from other patents in the same Locarno class).
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Usage:
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export ANTHROPIC_API_KEY=...
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python scripts/eval/track_a_multiview.py \
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--enriched data/enriched/enriched_2022.parquet \
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--images /tmp/patent_sample/2022 \
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--n 30 \
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--out results/track_a_results.json
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Results printed to stdout and saved to --out.
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"""
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import argparse
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import json
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import os
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import random
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import re
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import time
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from pathlib import Path
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import pandas as pd
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from PIL import Image
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from tqdm import tqdm
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from provider import chat, encode_image, get_client, image_message, multi_image_message
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# ── viewpoint parsing ────────────────────────────────────────────────────────
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VIEWPOINT_RE = re.compile(
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r"FIG\.\s*{n}\s+is\s+(?:a\s+|an\s+)?(.{{5,80}}?)\s*(?:view|thereof|;|\n|$)",
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re.IGNORECASE,
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)
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def parse_viewpoint(drawing_desc: str, fig_num: int) -> str:
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pat = re.compile(
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rf"FIG\.\s*{fig_num + 1}\s+is\s+(?:a\s+|an\s+)?(.{{5,80}}?)\s*(?:view|thereof|;|\n|$)",
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re.IGNORECASE,
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)
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m = pat.search(drawing_desc or "")
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return m.group(1).strip().lower() if m else ""
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FRONT_KEYWORDS = {"front elevational", "front view", "front elevation", "front plan"}
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def is_front_view(vp: str) -> bool:
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vp = vp.lower()
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return any(k in vp for k in FRONT_KEYWORDS)
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def is_perspective_view(vp: str) -> bool:
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return "perspective" in vp.lower()
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# ── image loading ─────────────────────────────────────────────────────────────
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def find_image_path(images_dir: Path, image_filename: str) -> Path | None:
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"""Resolve image_filename → path under images_dir.
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IMPACT stores images as:
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{images_dir}/USD0949851-20220426/USD0949851-20220426-D00001.TIF
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The directory name is the filename prefix up to '-D00'.
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"""
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parts = image_filename.split("-D0")
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if len(parts) < 2:
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return None
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dir_name = parts[0] # e.g. "USD0949851-20220426"
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candidate = images_dir / dir_name / image_filename
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return candidate if candidate.exists() else None
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def load_image_b64(path: Path) -> tuple[str, str]:
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return encode_image(path)
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# ── Claude API calls ─────────────────────────────────────────────────────────
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def ask_viewpoint(client, img_b64: str, media_type: str) -> str:
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"""Task 1: identify the viewpoint of a single patent figure."""
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msgs = image_message(img_b64, media_type,
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"This is a technical drawing from a US design patent. "
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"In 2–5 words, what viewpoint or perspective does this figure show? "
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"(e.g. 'front elevational view', 'perspective view', 'top plan view') "
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"Reply with the viewpoint label only, nothing else."
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)
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return chat(client, msgs, max_tokens=80).lower()
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def ask_cross_view(
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client,
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query_b64: str,
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query_media: str,
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candidates: list[tuple[str, str]],
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target_label: str = "front elevational view",
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) -> int:
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"""Task 2: sequential yes/no — ask about each candidate independently.
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Avoids the multi-image A/B/C/D format that causes thinking-model parse
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failures. For each candidate we ask a binary question; the one (and only
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one) that gets YES is the answer. Returns 0-indexed position, or -1 if
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zero or multiple candidates say YES.
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"""
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yes_indices = []
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for i, (cand_b64, cand_media) in enumerate(candidates):
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msgs = multi_image_message(
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images=[(query_b64, query_media), (cand_b64, cand_media)],
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text_after=(
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f"Image 1 is a perspective view of a design patent object. "
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f"Image 2 is another figure from the same patent. "
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f"Is Image 2 the {target_label} of this object? "
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f"Reply with YES or NO only."
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),
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)
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answer = chat(client, msgs, max_tokens=10).upper().strip()
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is_yes = answer.startswith("YES")
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if is_yes:
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yes_indices.append(i)
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time.sleep(0.3)
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if len(yes_indices) == 1:
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return yes_indices[0]
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# Ambiguous (0 or >1 YES): fall back to the first YES if multiple,
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# or -1 if none.
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return yes_indices[0] if yes_indices else -1
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# ── scoring helpers ──────────────────────────────────────────────��────────────
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def viewpoint_match(predicted: str, ground_truth: str) -> bool:
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"""Loose match: check if key directional words overlap."""
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DIRECTIONS = {"front", "rear", "back", "left", "right", "top", "bottom",
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"side", "perspective", "plan", "elevation", "elevational",
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"isometric", "oblique", "reference", "detail"}
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pred_words = set(re.findall(r"\w+", predicted.lower())) & DIRECTIONS
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gt_words = set(re.findall(r"\w+", ground_truth.lower())) & DIRECTIONS
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if not gt_words:
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return False
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return len(pred_words & gt_words) / len(gt_words) >= 0.5
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# ── dataset preparation ───────────────────────────────────────────────────────
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def build_sample_pool(df: pd.DataFrame, images_dir: Path) -> pd.DataFrame:
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"""Enrich dataframe with parsed viewpoints and resolved image paths."""
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df = df.copy()
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df["viewpoint_parsed"] = df.apply(
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lambda r: parse_viewpoint(r.get("drawing_description", ""), r["figure_number"]),
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axis=1,
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)
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df["image_path"] = df["image_filename"].apply(
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lambda fn: find_image_path(images_dir, fn)
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)
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return df
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def select_patents(df: pd.DataFrame, n: int, seed: int = 42) -> list[str]:
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"""Select n patents that have: ≥3 figures, a perspective view, and a front view."""
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rng = random.Random(seed)
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eligible = []
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for patent_id, group in df.groupby("patent_id"):
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vps = group["viewpoint_parsed"].tolist()
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paths = group["image_path"].tolist()
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has_perspective = any(is_perspective_view(v) for v in vps)
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has_front = any(is_front_view(v) for v in vps)
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all_images = all(p is not None for p in paths)
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if has_perspective and has_front and all_images and len(group) >= 3:
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eligible.append(patent_id)
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rng.shuffle(eligible)
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print(f"Eligible patents: {len(eligible)}, selecting {min(n, len(eligible))}")
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return eligible[:n]
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# ── main eval loop ────────────────────────────────────────────────────────────
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def run_eval(
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enriched_path: str,
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images_dir: str,
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n: int,
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out_path: str,
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seed: int = 42,
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):
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client = get_client()
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images_dir = Path(images_dir)
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print("Loading enriched data...")
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df = pd.read_parquet(enriched_path)
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df = build_sample_pool(df, images_dir)
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patents = select_patents(df, n, seed=seed)
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if not patents:
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print("ERROR: No eligible patents found. Check images_dir and enriched data.")
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return
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# Build distractor pool keyed by Locarno class
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class_to_patent = {}
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for pid, g in df.groupby("patent_id"):
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cls = g["locarno_class"].iloc[0] if "locarno_class" in g.columns else "unknown"
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class_to_patent.setdefault(cls, []).append(pid)
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results = []
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t1_correct = t1_total = 0
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t2_correct = t2_total = 0
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for patent_id in tqdm(patents, desc="Evaluating patents"):
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group = df[df["patent_id"] == patent_id].sort_values("figure_number")
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rows = group.to_dict("records")
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# Pick perspective (query) and front (target) rows
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perspective_row = next((r for r in rows if is_perspective_view(r["viewpoint_parsed"])), None)
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front_rows = [r for r in rows if is_front_view(r["viewpoint_parsed"])]
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if not perspective_row or not front_rows:
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continue
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front_row = front_rows[0]
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# ── Task 1: viewpoint identification on every figure ────────────────
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t1_results = []
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for row in rows:
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if not row["image_path"]:
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continue
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b64, media = load_image_b64(row["image_path"])
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predicted = ask_viewpoint(client, b64, media)
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correct = viewpoint_match(predicted, row["viewpoint_parsed"])
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t1_results.append({
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"fig": row["figure_number"],
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"ground_truth": row["viewpoint_parsed"],
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"predicted": predicted,
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"correct": correct,
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})
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t1_total += 1
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t1_correct += int(correct)
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time.sleep(0.3) # rate limit courtesy
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# ── Task 2: pick front view from 4 options ───────────────────────────
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query_b64, query_media = load_image_b64(perspective_row["image_path"])
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# Build 3 distractors: front views from other patents in same Locarno class
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cls = group["locarno_class"].iloc[0] if "locarno_class" in group.columns else "unknown"
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distractor_pids = [p for p in class_to_patent.get(cls, []) if p != patent_id]
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random.Random(seed + hash(patent_id)).shuffle(distractor_pids)
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distractors = []
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for dpid in distractor_pids:
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dg = df[df["patent_id"] == dpid]
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dfront = dg[dg["viewpoint_parsed"].apply(is_front_view)]
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if not dfront.empty and dfront.iloc[0]["image_path"]:
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distractors.append(dfront.iloc[0]["image_path"])
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if len(distractors) == 3:
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break
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if len(distractors) < 3:
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# Fall back to any other patent's figure
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other_pids = [p for p in df["patent_id"].unique() if p != patent_id]
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random.Random(seed).shuffle(other_pids)
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for op in other_pids:
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og = df[df["patent_id"] == op]
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if og.iloc[0]["image_path"]:
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distractors.append(og.iloc[0]["image_path"])
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if len(distractors) == 3:
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break
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if len(distractors) < 3:
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continue
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# Insert correct answer at random position
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rng = random.Random(seed + hash(patent_id) + 1)
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correct_pos = rng.randint(0, 3)
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candidate_paths = distractors[:3]
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candidate_paths.insert(correct_pos, front_row["image_path"])
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candidates = [load_image_b64(p) for p in candidate_paths]
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chosen = ask_cross_view(client, query_b64, query_media, candidates)
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t2_correct += int(chosen == correct_pos)
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t2_total += 1
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result = {
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"patent_id": patent_id,
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"patent_title": group["patent_title"].iloc[0] if "patent_title" in group.columns else "",
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"locarno_class": cls,
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"task1": t1_results,
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"task2": {
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"correct_pos": correct_pos,
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"model_choice": chosen,
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"correct": chosen == correct_pos,
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},
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}
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results.append(result)
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# Print running totals
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print(f"\n[{patent_id}] {result['patent_title'][:50]}")
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print(f" T1: {sum(r['correct'] for r in t1_results)}/{len(t1_results)} viewpoints correct")
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print(f" T2: {'✓' if result['task2']['correct'] else '✗'} (chose {chosen}, correct was {correct_pos})")
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print(f" Running: T1={t1_correct}/{t1_total} ({t1_correct/max(t1_total,1):.0%}) "
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f"T2={t2_correct}/{t2_total} ({t2_correct/max(t2_total,1):.0%})")
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time.sleep(0.5)
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# ── Summary ───────────────────────────────────────────────────────────────
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print("\n" + "=" * 60)
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print("RESULTS SUMMARY")
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print("=" * 60)
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print(f"Task 1 — Viewpoint identification: {t1_correct}/{t1_total} = {t1_correct/max(t1_total,1):.1%}")
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print(f"Task 2 — Cross-view retrieval: {t2_correct}/{t2_total} = {t2_correct/max(t2_total,1):.1%}")
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print(f"Chance baseline (Task 2): 1/4 = 25.0%")
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print(f"Human baseline (Task 2): ~95% (estimated)")
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output = {
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"summary": {
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"task1_acc": t1_correct / max(t1_total, 1),
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"task2_acc": t2_correct / max(t2_total, 1),
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"task1_n": t1_total,
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"task2_n": t2_total,
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},
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"results": results,
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}
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Path(out_path).parent.mkdir(parents=True, exist_ok=True)
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with open(out_path, "w") as f:
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json.dump(output, f, indent=2)
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print(f"\nFull results → {out_path}")
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# ── CLI ───────────────────────────────────────────────────────────────────────
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("--enriched", default="data/enriched/enriched_2022.parquet")
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parser.add_argument("--images", default="/tmp/patent_sample/2022")
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parser.add_argument("--n", type=int, default=30)
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parser.add_argument("--out", default="results/track_a_results.json")
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parser.add_argument("--seed", type=int, default=42)
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args = parser.parse_args()
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run_eval(args.enriched, args.images, args.n, args.out, args.seed)
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if __name__ == "__main__":
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main()
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