1. A method in an electronic device, the method comprising: receiving an image; outputting the image into a first image having a first resolution through a down sampling operation within an image sensor, the first resolution being lower than a resolution supported in the image sensor; displaying the first image; determining at least a partial region of the first image; acquiring a second image having a second resolution corresponding to the partial region, the second resolution being higher than the first resolution; and displaying the second image.