为什么显示blobs列表里面没有这个对象?
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import sensor, image, time green = (30, 100, -88, -10, -32, 54) # thresholds for bright white light from IR. red = (30, 100, 15, 127, 15, 16) blue = (0, 30, 0, 64, -128, 0) sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.VGA) sensor.set_windowing((240, 240)) # 240x240 center pixels of VGA sensor.skip_frames(time = 2000) sensor.set_auto_gain(False) # must be turned off for color tracking sensor.set_auto_whitebal(False) # must be turned off for color tracking clock = time.clock() # Only blobs that with more pixels than "pixel_threshold" and more area than "area_threshold" are # returned by "find_blobs" below. Change "pixels_threshold" and "area_threshold" if you change the # camera resolution. "merge=True" merges all overlapping blobs in the image. while(True): clock.tick() img=sensor.snapshot() red_blobs = img.find_blobs([red]) color_blobs = img.find_blobs([red,green,blue]) c=color_blobs.code() print(c)
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你应该
for b in color_blobs: b.code()