mirror of
https://github.com/elephantrobotics/mycobot_ros.git
synced 2026-07-05 19:47:04 +00:00
89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
# coding:utf-8
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import os, cv2, sys
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def take_photo():
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# 提醒用户操作字典
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print("*********************************************")
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print("* 热键(请在摄像头的窗口使用)： *")
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print("* z: 拍摄图片 *")
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print("* q: 退出 *")
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print("*********************************************")
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# 创建/使用local_photo文件夹
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class_name = "local_photo"
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if (os.path.exists("local_photo")):
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pass
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else:
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os.mkdir(class_name)
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# 设置特定值
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index = 'takephoto'
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cap = cv2.VideoCapture(0)
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while True:
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# 读入每一帧
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ret, frame = cap.read()
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cv2.imshow("capture", frame)
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# 存储
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input = cv2.waitKey(1) & 0xFF
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# 拍照
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if input == ord('z'):
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cv2.imwrite(
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"%s/%s.jpeg" % (class_name, index),
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cv2.resize(frame, (600, 480), interpolation=cv2.INTER_AREA))
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break
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# 退出
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if input == ord('q'):
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# 关闭窗口
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cap.release()
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cv2.destroyAllWindows()
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sys.exit()
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def cut_photo():
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path = os.getcwd() + '/local_photo/img'
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for i, j, k in os.walk(path):
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file_len = len(k)
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print("请截取要识别的部分")
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# root = tk.Tk()
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# root.withdraw()
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# temp1=filedialog.askopenfilename(parent=root) #rgb
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# temp2=Image.open(temp1,mode='r')
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# temp2= cv.cvtColor(np.asarray(temp2),cv.COLOR_RGB2BGR)
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# cut = np.array(temp2)
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cut = cv2.imread(r"local_photo/takephoto.jpeg")
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cv2.imshow('original', cut)
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# C:\Users\Elephant\Desktop\pymycobot+opencv\local_photo/takephoto.jpeg
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# 选择ROI
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roi = cv2.selectROI(windowName="original",
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img=cut,
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showCrosshair=False,
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fromCenter=False)
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x, y, w, h = roi
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print(roi)
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# 显示ROI并保存图片
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if roi != (0, 0, 0, 0):
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crop = cut[y:y + h, x:x + w]
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cv2.imshow('crop', crop)
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cv2.imwrite('local_photo/img/goal{}.jpeg'.format(str(file_len + 1)),
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crop)
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print('Saved!')
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# 退出
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cv2.waitKey(0)
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cv2.destroyAllWindows()
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if __name__ == "__main__":
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take_photo()
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cut_photo()
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