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在yolov5-2.0项目文件下找到utils目录,打开utils.py文件,找到“plot_one_box()”函数,大概是在第940行位置。
内容如下:
- def plot_one_box(x, img, color=None, label=None, line_thickness=None):
- # Plots one bounding box on image img
- tl = line_thickness or round(0.002 * (img.shape[0] + img.shape[1]) / 2) + 1 # line/font thickness
- color = color or [random.randint(0, 255) for _ in range(3)]
- c1, c2 = (int(x[0]), int(x[1])), (int(x[2]), int(x[3]))
- cv2.rectangle(img, c1, c2, color, thickness=tl, lineType=cv2.LINE_AA)
- if label:
- tf = max(tl - 1, 1) # font thickness
- t_size = cv2.getTextSize(label, 0, fontScale=tl / 3, thickness=tf)[0]
- c2 = c1[0] + t_size[0], c1[1] - t_size[1] - 3
- cv2.rectangle(img, c1, c2, color, -1, cv2.LINE_AA) # filled
- cv2.putText(img, label, (c1[0], c1[1] - 2), 0, tl / 3, [225, 255, 255], thickness=tf, lineType=cv2.LINE_AA)
1、修改标签背景框,即找到下面代码,修改参数“ fontScale”,如“ fontScale=3=5”.
t_size = cv2.getTextSize(label, 0, fontScale=tl / 3, thickness=tf)[0]
2、修改标签字体格式,即找到下面代码 进行修改,参数“img, label, (c1[0], c1[1] - 2), 0, tl / 3, [225, 255, 255], thickness=tf”依次代表“图片,添加的文字,左上角坐标,字体样式,字体大小,颜色,字体粗细”。参数的值可以是0、1、2、3、4、5等等
cv2.putText(img, label, (c1[0], c1[1] - 2), 0, tl / 3, [225, 255, 255], thickness=tf, lineType=cv2.LINE_AA)
字体样式如下:
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