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  • 必看:玩转星瞳论坛了解一下图片上传,代码格式等问题。
  • 一个提问,一个帖子,标题为问题的介绍
  • 请贴出具体的代码,与报错提示。
  • 代码一定要让别人可以运行的文本,不要贴图片
  • find_numbers历程进行数字识别,2s后显示没有找到相关属性?



    • 0_1534334856453_1534334814(1).jpg



    • LetNet Example

      import sensor, image, time

      sensor.reset() # Reset and initialize the sensor.
      sensor.set_contrast(3)
      sensor.set_pixformat(sensor.GRAYSCALE) # Set pixel format to RGB565 (or GRAYSCALE)
      sensor.set_framesize(sensor.VGA) # Set frame size to QVGA (320x240)
      sensor.set_windowing((128, 128)) # Set 128x128 window.
      sensor.skip_frames(time = 2000) # Wait for settings take effect.
      sensor.set_auto_gain(False)
      sensor.set_auto_exposure(False)

      while(True):
      img = sensor.snapshot()
      # NOTE: Uncomment to detect dark numbers on white background
      # img.invert()
      out = img.find_number(roi=(img.width()//2-14, img.height()//2-14, 28, 28))
      img.draw_rectangle((img.width()//2-15, img.height()//2-15, 30, 30))
      if out[1] > 5: # Confidence level
      print("Number: %d Confidence: %0.2f" %(out[0], out[1]))

      报错提示
      Traceback (most recent call last):
      File "", line 17, in
      AttributeError: 'Image' object has no attribute 'find_number'
      MicroPython v1.9.4-4510-g23e8457de on 2018-06-29; OPENMV3 with STM32F765
      Type "help()" for more information.