Certain embodiments disclosed herein generate an image that is devoid of a person. Such an embodiment can includes using a camera to obtain a first image of a scene while a person is at a first location within the FOV of the camera, obtaining a second image of the scene while the person is at a second location within the FOV of the camera, and generating, based on the first and second images, a third image of the scene, such that the third image of the scene is devoid of the person and includes portions of the scene that were blocked by the person in the first and second images. Other embodiments disclosed herein determine spatial information for one or more items of interest within a graphical representation of a region generated based on one or more images of the region captured using a camera of a mobile device.