【建立人脸库】为什么拍第二个文件夹里的照片时总是出错
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# Snapshot Example # # Note: You will need an SD card to run this example. # # You can use your OpenMV Cam to save image files. import sensor, image, pyb RED_LED_PIN = 1 BLUE_LED_PIN = 3 sensor.reset() # Initialize the camera sensor. sensor.set_pixformat(sensor.GRAYSCALE) # or sensor.GRAYSCALE sensor.set_framesize(sensor.B128X128) # or sensor.QQVGA (or others) sensor.set_windowing((92,112)) sensor.skip_frames(10) # Let new settings take affect. sensor.skip_frames(time = 2000) num = 2![0_1621237139117_QQ图片20210517153850.png](https://fcdn.singtown.com/284b4be9-5951-491c-83c2-0a190c9779f7.png) #设置被拍摄者序号,第一个人的图片保存到s1文件夹,第二个人的图片保存到s2文件夹,以此类推。每次更换拍摄者时,修改num值。 n = 20 #设置每个人拍摄图片数量。 #连续拍摄n张照片,每间隔3s拍摄一次。 while(n): #红灯亮 pyb.LED(RED_LED_PIN).on() sensor.skip_frames(time = 3000) # Give the user time to get ready.等待3s,准备一下表情。 #红灯灭,蓝灯亮 pyb.LED(RED_LED_PIN).off() pyb.LED(BLUE_LED_PIN).on() #保存截取到的图片到SD卡 print(n) sensor.snapshot().save("singtown/s%s/%s.pgm" % (num, n) ) # or "example.bmp" (or others) n -= 1 pyb.LED(BLUE_LED_PIN).off() print("Done! Reset the camera to see the saved image.")
码是复制过去的,把num=1改成num=2之后就一直出错