| 摘要 |
A method of updating luminance of light emitting elements of a portable electronic device according to ambient light intensity sensed by image capturing units of the portable electronic device is proposed. The method includes sensing ambient light intensities using light sensors of the image capturing units, determining the luminance of the light emitting elements of the portable electronic device according to the ambient light intensities sensed by the light sensors of the image capturing units, controlling the light intensity of the light emitting elements of the portable electronic device according to the determined luminance.
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