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System and method for determining sleep status of a baby in a cradle and controlling movement of the cradle

  • US 20090062622A1
  • Filed: 11/16/2007
  • Published: 03/05/2009
  • Est. Priority Date: 08/31/2007
  • Status: Abandoned Application
First Claim
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1. A system for determining sleep status of a baby in a cradle and controlling movement of the cradle, the system comprising a motor and a digital camera, the motor and the digital camera being installed on a beam of a stand of the cradle, the motor being connected to the digital camera, the digital camera comprising a sensor and a detecting module, the sensor being configured for obtaining an image of the baby'"'"'s face, the detecting module comprising:

  • a face-detecting sub-module configured for finding the baby'"'"'s face in the image;

    an eyes-detecting sub-module configured for locating the eyes in the image of the baby'"'"'s face and framing the opening of the eyelids; and

    an analyzing sub-module configured for determining the openness of the baby'"'"'s eyes by calculating a ratio of a height of a rectangle framing the opening of eyelids to a width of the rectangle, comparing the result with the preset threshold, judging whether the baby is asleep according to the comparison, and sending a corresponding command to the motor for controlling the movement of the cradle.

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