Add Python Demo
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# 导入cv相关库
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import cv2
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import numpy as np
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from PIL import ImageFont
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from PIL import Image
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from PIL import ImageDraw
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# 导入依赖包
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import hyperlpr3 as lpr3
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def draw_plate_on_image(img, box, text, font):
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x1, y1, x2, y2 = box
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cv2.rectangle(img, (x1, y1), (x2, y2), (139, 139, 102), 2, cv2.LINE_AA)
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cv2.rectangle(img, (x1, y1 - 20), (x2, y1), (139, 139, 102), -1)
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data = Image.fromarray(img)
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draw = ImageDraw.Draw(data)
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draw.text((x1 + 1, y1 - 18), text, (255, 255, 255), font=font)
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res = np.asarray(data)
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return res
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# 中文字体加载
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font_ch = ImageFont.truetype("../resource/font/platech.ttf", 20, 0)
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# 实例化识别对象
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catcher = lpr3.LicensePlateCatcher(detect_level=lpr3.DETECT_LEVEL_HIGH)
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# 读取图片
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image = cv2.imread("/Users/tunm/datasets/boundingbox/[[359, 1292], [487, 1292], [487, 1324], [359, 1324]].jpg")
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# 执行识别算法
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results = catcher(image)
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for code, confidence, type_idx, box in results:
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# 解析数据并绘制
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text = f"{code} - {confidence:.2f}"
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image = draw_plate_on_image(image, box, text, font=font_ch)
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# 显示检测结果
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cv2.imshow("w", image)
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cv2.waitKey(0)
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