# 需要导入模块: import cv2 [as 别名]# 或者: from cv2 importFONT_HERSHEY_TRIPLEX[as 别名]defadd_text_to_image(image, text='', position=None, font=cv2.FONT_HERSHEY_TRIPLEX, font_size=1.0, line_type=cv2.LINE_8, line_width=1, color=(255,255,255)):"""Overlays text on given image. ...
cv2.putText不支持无ASCII字符。Try to use PIL to draw NO-ASCII(such Chinese) on the image....
cv2.putText不支持无ASCII字符。Try to use PIL to draw NO-ASCII(such Chinese) on the image....
import numpy as np import cv2 ''' 定义裁剪函数,四个参数分别是:左上角横坐标x0 左上角纵坐标y0 裁剪宽度w裁剪高度h ''' crop_image = lambda img, x0, y0, w, h: img[y0:y0+h, x0:x0+w] ''' 随机裁剪 area_ratio为裁剪画面占原画面的比例 hw_vari是扰动占原高宽比的比例范围 ''' de...
image', type=float, default=1.0) parser.add_argument('--p_rotate_crop', help='Ratio to crop out the empty part in a rotated image', type=float, default=1.0) parser.add_argument('--rotate_angle_vari', help='Variation range of rotate angle', type=float, default=10.0) parser.add_...
cv2.imshow('image',img)cv2.waitKey(0)cv2.destroyAllWindows()#dv2.destroyWindow(wname) cv2.waitKey顾名思义等待键盘输入,单位为毫秒,即等待指定的毫秒数看是否有键盘输入,若在等待时间内按下任意键则返回按键的ASCII码,程序继续运行。若没有按下任何键,超时后返回-1。参数为0表示无限等待。不调用waitKey...
image', type=float, default=1.0) parser.add_argument('--p_rotate_crop', help='Ratio to crop out the empty part in a rotated image', type=float, default=1.0) parser.add_argument('--rotate_angle_vari', help='Variation range of rotate angle', type=float, default=10.0) parser.add_...
image = insert_people_count(image,people) return image, people This new function which seems to create a "deep" copy as defined in the towards data science article: def insert_people_count(image,people): cv2.putText(image, f"People: {people}", (15, 25), cv2.FONT_HERSHEY_SIMPLEX, 1....
add_argument('--crop_hw_vari', help='Variation of h/w ratio', type=float, default=0.1) parser.add_argument('--p_rotate', help='Ratio to randomly rotate an image', type=float, default=1.0) parser.add_argument('--p_rotate_crop', help='Ratio to crop out the empty part in a ...
Add a comment 4 Answers Sorted by: 34 The cv2.putText don't support no-ascii char in my knowledge. Try to use PIL to draw NO-ASCII(such Chinese) on the image. import numpy as np from PIL import ImageFont, ImageDraw, Image import cv2 import time ## Make canvas ...