1. A method of capturing an image, the method comprising: activating a first image sensor; capturing a sequence of images with a second image sensor, wherein each image in the sequence of images is captured with only a portion of pixels in sectors of the second image sensor; determining if the sequence of images captured with the second image sensor includes a shutter gesture from a user; and capturing a target image and a second target image with the first image sensor in response to determining the sequence of images captured with the second image sensor includes the shutter gesture from the user, wherein the shutter gesture generates a series of shutter signals that cause the first image sensor to capture a burst of images in a predefined time period, the first target image and the second target image included in the burst of images captured by the first image sensor.