211 lines
4.9 KiB
Python
211 lines
4.9 KiB
Python
#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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# Copyright (c) Megvii Inc. All rights reserved.
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import cv2
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import numpy as np
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__all__ = ["vis"]
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def vis(img, boxes, scores, cls_ids, conf=0.5, class_names=None):
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for i in range(len(boxes)):
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box = boxes[i]
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cls_id = int(cls_ids[i])
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score = scores[i]
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if score < conf:
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continue
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x0 = int(box[0])
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y0 = int(box[1])
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x1 = int(box[2])
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y1 = int(box[3])
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color = (_COLORS[cls_id] * 255).astype(np.uint8).tolist()
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text = '{}:{:.1f}%'.format(class_names[cls_id], score * 100)
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txt_color = (0, 0, 0) if np.mean(_COLORS[cls_id]) > 0.5 else (255, 255, 255)
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font = cv2.FONT_HERSHEY_SIMPLEX
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txt_size = cv2.getTextSize(text, font, 0.4, 1)[0]
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cv2.rectangle(img, (x0, y0), (x1, y1), color, 2)
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txt_bk_color = (_COLORS[cls_id] * 255 * 0.7).astype(np.uint8).tolist()
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cv2.rectangle(
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img,
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(x0, y0 + 1),
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(x0 + txt_size[0] + 1, y0 + int(1.5*txt_size[1])),
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txt_bk_color,
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-1
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)
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cv2.putText(img, text, (x0, y0 + txt_size[1]), font, 0.4, txt_color, thickness=1)
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return img
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_COLORS = np.array(
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[
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0.000, 0.447, 0.741,
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0.850, 0.325, 0.098,
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0.929, 0.694, 0.125,
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0.494, 0.184, 0.556,
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0.466, 0.674, 0.188,
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0.301, 0.745, 0.933,
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0.635, 0.078, 0.184,
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0.300, 0.300, 0.300,
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0.600, 0.600, 0.600,
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1.000, 0.000, 0.000,
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1.000, 0.500, 0.000,
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0.749, 0.749, 0.000,
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0.000, 1.000, 0.000,
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0.000, 0.000, 1.000,
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0.667, 0.000, 1.000,
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0.333, 0.333, 0.000,
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0.333, 0.667, 0.000,
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0.333, 1.000, 0.000,
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0.667, 0.333, 0.000,
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0.667, 0.667, 0.000,
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0.667, 1.000, 0.000,
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1.000, 0.333, 0.000,
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1.000, 0.667, 0.000,
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1.000, 1.000, 0.000,
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0.000, 0.333, 0.500,
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0.000, 0.667, 0.500,
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0.000, 1.000, 0.500,
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0.333, 0.000, 0.500,
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0.333, 0.333, 0.500,
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0.333, 0.667, 0.500,
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0.333, 1.000, 0.500,
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0.667, 0.000, 0.500,
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0.667, 0.333, 0.500,
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0.667, 0.667, 0.500,
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0.667, 1.000, 0.500,
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1.000, 0.000, 0.500,
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1.000, 0.333, 0.500,
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1.000, 0.667, 0.500,
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1.000, 1.000, 0.500,
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0.000, 0.333, 1.000,
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0.000, 0.667, 1.000,
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0.000, 1.000, 1.000,
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0.333, 0.000, 1.000,
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0.333, 0.333, 1.000,
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0.333, 0.667, 1.000,
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0.333, 1.000, 1.000,
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0.667, 0.000, 1.000,
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0.667, 0.333, 1.000,
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0.667, 0.667, 1.000,
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0.667, 1.000, 1.000,
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1.000, 0.000, 1.000,
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1.000, 0.333, 1.000,
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1.000, 0.667, 1.000,
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0.333, 0.000, 0.000,
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0.500, 0.000, 0.000,
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0.667, 0.000, 0.000,
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0.833, 0.000, 0.000,
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1.000, 0.000, 0.000,
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0.000, 0.167, 0.000,
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0.000, 0.333, 0.000,
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0.000, 0.500, 0.000,
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0.000, 0.667, 0.000,
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0.000, 0.833, 0.000,
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0.000, 1.000, 0.000,
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0.000, 0.000, 0.167,
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0.000, 0.000, 0.333,
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0.000, 0.000, 0.500,
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0.000, 0.000, 0.667,
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0.000, 0.000, 0.833,
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0.000, 0.000, 1.000,
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0.000, 0.000, 0.000,
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0.143, 0.143, 0.143,
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0.286, 0.286, 0.286,
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0.429, 0.429, 0.429,
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0.571, 0.571, 0.571,
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0.714, 0.714, 0.714,
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0.857, 0.857, 0.857,
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0.000, 0.447, 0.741,
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0.314, 0.717, 0.741,
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0.50, 0.5, 0
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]
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).astype(np.float32).reshape(-1, 3)
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COCO_CLASSES = (
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"person",
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"bicycle",
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"car",
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"motorcycle",
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"airplane",
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"bus",
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"train",
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"truck",
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"boat",
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"traffic light",
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"fire hydrant",
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"stop sign",
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"parking meter",
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"bench",
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"bird",
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"cat",
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"dog",
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"horse",
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"sheep",
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"cow",
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"elephant",
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"bear",
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"zebra",
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"giraffe",
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"backpack",
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"umbrella",
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"handbag",
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"tie",
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"suitcase",
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"frisbee",
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"skis",
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"snowboard",
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"sports ball",
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"kite",
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"baseball bat",
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"baseball glove",
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"skateboard",
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"surfboard",
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"tennis racket",
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"bottle",
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"wine glass",
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"cup",
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"fork",
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"knife",
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"spoon",
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"bowl",
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"banana",
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"apple",
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"sandwich",
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"orange",
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"broccoli",
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"carrot",
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"hot dog",
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"pizza",
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"donut",
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"cake",
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"chair",
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"couch",
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"potted plant",
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"bed",
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"dining table",
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"toilet",
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"tv",
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"laptop",
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"mouse",
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"remote",
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"keyboard",
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"cell phone",
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"microwave",
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"oven",
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"toaster",
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"sink",
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"refrigerator",
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"book",
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"clock",
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"vase",
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"scissors",
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"teddy bear",
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"hair drier",
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"toothbrush",
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) |