In embodiments, an electronic device may include a first camera disposed on one surface of the electronic device, a second camera disposed on the one surface, a depth sensor disposed on the one surface, and a processor configured to: cause the first camera to acquire a first one or more images of an external object, and generate depth information of the external object using a selected one of the first camera and second camera or the depth sensor, the selected one based on color information or texture pattern information corresponding to the external object in the first one or more images.