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Quang Trung/weekend/07_45-07_50/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "07:45-07:50",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_0740_Quang Trung.mp4",
+  "offset_in_video_sec": 300,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 121,
+    "car_i_4_7_seat": 18,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 0,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 140
+}

Quang Trung/weekend/10_00-10_05/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "10:00-10:05",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1001_Quang Trung.mp4",
+  "offset_in_video_sec": 0.0,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 183,
+    "car_i_4_7_seat": 43,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 0,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 227
+}

Quang Trung/weekend/10_30-10_35/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "10:30-10:35",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1001_Quang Trung.mp4",
+  "offset_in_video_sec": 1740,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 194,
+    "car_i_4_7_seat": 33,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 0,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 228
+}

Quang Trung/weekend/10_45-10_50/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "10:45-10:50",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1001_Quang Trung.mp4",
+  "offset_in_video_sec": 2640,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 154,
+    "car_i_4_7_seat": 30,
+    "car_ii_9_seat": 0,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 0,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 184
+}

Quang Trung/weekend/12_00-12_05/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "12:00-12:05",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1201_Quang Trung.mp4",
+  "offset_in_video_sec": 0.0,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 162,
+    "car_i_4_7_seat": 25,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 3,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 191
+}

Quang Trung/weekend/12_15-12_20/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "AM",
+  "time_window": "12:15-12:20",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1201_Quang Trung.mp4",
+  "offset_in_video_sec": 840,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 160,
+    "car_i_4_7_seat": 32,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 3,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 196
+}

Quang Trung/weekend/15_15-15_20/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "15:15-15:20",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1506_Quang Trung.mp4",
+  "offset_in_video_sec": 540,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 177,
+    "car_i_4_7_seat": 31,
+    "car_ii_9_seat": 1,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 2,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 211
+}

Quang Trung/weekend/15_45-15_50/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "15:45-15:50",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1506_Quang Trung.mp4",
+  "offset_in_video_sec": 2340,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 164,
+    "car_i_4_7_seat": 30,
+    "car_ii_9_seat": 0,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 0,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 194
+}

Quang Trung/weekend/16_00-16_05/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "16:00-16:05",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1506_Quang Trung.mp4",
+  "offset_in_video_sec": 3240,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 165,
+    "car_i_4_7_seat": 35,
+    "car_ii_9_seat": 0,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 1,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 201
+}

Quang Trung/weekend/17_00-17_05/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "17:00-17:05",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1659_Quang Trung.mp4",
+  "offset_in_video_sec": 60,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 204,
+    "car_i_4_7_seat": 25,
+    "car_ii_9_seat": 4,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 2,
+    "light_truck": 2,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 237
+}

Quang Trung/weekend/17_15-17_20/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "17:15-17:20",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1659_Quang Trung.mp4",
+  "offset_in_video_sec": 960,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 179,
+    "car_i_4_7_seat": 24,
+    "car_ii_9_seat": 0,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 2,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 205
+}

Quang Trung/weekend/17_30-17_35/counts.json

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+{
+  "sheet": "Quang Trung",
+  "location_num": 6,
+  "period": "weekend",
+  "session": "PM",
+  "time_window": "17:30-17:35",
+  "source_video": "/mnt/disk2/aiotlab/tritd/traffic-videos/data/6. Palm Café - Số 35, Quang Trung, Trần Hưng Đạo, Hoàn Kiếm, HN/cuối tuần/06_2025_06_08_1659_Quang Trung.mp4",
+  "offset_in_video_sec": 1860,
+  "extract_duration_sec": 300.0,
+  "fps": 1,
+  "vehicle_counts": {
+    "motorcycle": 170,
+    "car_i_4_7_seat": 26,
+    "car_ii_9_seat": 0,
+    "bus_i_le_40_seat": 0,
+    "bus_ii": 2,
+    "light_truck": 0,
+    "heavy_truck": 0
+  },
+  "total_vehicles": 198
+}

counts_summary.csv

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+vehicle,count
+motorcycle,37682
+car_i_4_7_seat,8637
+bus_ii,409
+bus_i_le_40_seat,329
+car_ii_9_seat,269
+light_truck,165
+heavy_truck,17

counts_summary.json

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+{
+  "motorcycle": 37682,
+  "car_i_4_7_seat": 8637,
+  "car_ii_9_seat": 269,
+  "bus_i_le_40_seat": 329,
+  "bus_ii": 409,
+  "light_truck": 165,
+  "heavy_truck": 17
+}

scripts/count_vehicle_types.py

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+#!/usr/bin/env python3
+"""Count vehicle types across JSON files in a folder.
+
+Usage:
+  python3 scripts/count_vehicle_types.py /path/to/folder
+
+The script scans all `*.json` files (optionally recursively), attempts to
+extract vehicle counts from common JSON shapes, and prints + writes a summary.
+"""
+
+import argparse
+import json
+import os
+import sys
+import glob
+from collections import Counter
+
+
+def extract_counts(obj, counter):
+    # Recursively explore JSON and aggregate counts into `counter` (Counter)
+    if isinstance(obj, dict):
+        # Case: dict looks like {"car": 10, "motorbike": 5}
+        if obj and all(isinstance(v, int) for v in obj.values()):
+            for k, v in obj.items():
+                counter[k] += v
+            return
+
+        # Case: dict items like {"type": "car", "count": 10}
+        if "count" in obj and any(k in obj for k in ("type", "class", "vehicle", "label", "name")):
+            name = None
+            for key in ("type", "class", "vehicle", "label", "name"):
+                if key in obj:
+                    name = obj.get(key)
+                    break
+            try:
+                cnt = int(obj.get("count", 0))
+            except Exception:
+                cnt = 0
+            if name:
+                counter[str(name)] += cnt
+                return
+
+        # Otherwise, traverse values
+        for v in obj.values():
+            extract_counts(v, counter)
+
+    elif isinstance(obj, list):
+        for item in obj:
+            extract_counts(item, counter)
+
+
+def process_file(path, counter):
+    try:
+        with open(path, "r", encoding="utf-8") as f:
+            data = json.load(f)
+    except Exception as e:
+        print(f"Skipped {path}: {e}", file=sys.stderr)
+        return
+    extract_counts(data, counter)
+
+
+def write_outputs(counter, out_json=None, out_csv=None):
+    if out_json:
+        try:
+            with open(out_json, "w", encoding="utf-8") as f:
+                json.dump(dict(counter), f, ensure_ascii=False, indent=2)
+        except Exception as e:
+            print(f"Failed to write JSON output: {e}", file=sys.stderr)
+    if out_csv:
+        try:
+            with open(out_csv, "w", encoding="utf-8") as f:
+                f.write("vehicle,count\n")
+                for k, v in counter.most_common():
+                    f.write(f"{k},{v}\n")
+        except Exception as e:
+            print(f"Failed to write CSV output: {e}", file=sys.stderr)
+
+
+def main():
+    ap = argparse.ArgumentParser(description="Count vehicle types from JSON files in a folder")
+    ap.add_argument("folder", nargs="?", default=".", help="Folder to scan for JSON files")
+    ap.add_argument("--recursive", action="store_true", help="Scan folders recursively")
+    ap.add_argument("--out-json", default=None, help="Path to write summary JSON")
+    ap.add_argument("--out-csv", default=None, help="Path to write summary CSV")
+    args = ap.parse_args()
+
+    folder = args.folder
+    if not os.path.isdir(folder):
+        print(f"Not a folder: {folder}", file=sys.stderr)
+        sys.exit(2)
+
+    pattern = os.path.join(folder, "**", "*.json") if args.recursive else os.path.join(folder, "*.json")
+    files = glob.glob(pattern, recursive=args.recursive)
+    if not files:
+        print("No JSON files found", file=sys.stderr)
+        sys.exit(1)
+
+    counter = Counter()
+    for fp in sorted(files):
+        process_file(fp, counter)
+
+    # Print results
+    print("Vehicle counts summary:")
+    for k, v in counter.most_common():
+        print(f"{k}: {v}")
+
+    # Default outputs if none provided
+    if not args.out_json and not args.out_csv:
+        out_json = os.path.join(folder, "counts_summary.json")
+        out_csv = os.path.join(folder, "counts_summary.csv")
+    else:
+        out_json = args.out_json
+        out_csv = args.out_csv
+
+    write_outputs(counter, out_json=out_json, out_csv=out_csv)
+    print("Wrote:", out_json if out_json else "-", out_csv if out_csv else "-")
+
+
+if __name__ == "__main__":
+    main()