US Patent 10165177 Methods and apparatus to capture images

Methods and apparatus to operate a mobile phone are disclosed. An example mobile phone disclosed herein includes an illumination source and an image sensor to capture a first image of a face. The disclosed example mobile phone also includes a logic circuit to determine whether the face in the first image is in a first orientation with respect to the image sensor. When the face in the first image is in the first orientation, the logic circuit is to trigger the image sensor to capture a second image and perform a facial recognition process on the second image, but not on the first image.