US Patent 10158797 Combining images when a face is present

For creating a single image from two images taken at different exposure setting when a face is detected, an apparatus includes an image sensor and a processor. The processor calculates a first exposure value for the photographic subject matter. Here, the first exposure value is calculated using the photographic subject matter as a whole. The processor determines whether a face is present within the photographic subject matter. In response to the determining that a face is present, the processor calculates a second exposure value. Here, the second exposure value is calculated to correctly expose the face. The processor controls the image sensor to capture a first image using the first exposure value and a second image using the second exposure value. The processor creates a third image using the first image and the second image.