A digital camera includes a support structure, a lens carried by the support structure and having an optical axis, a detector, carried by the support structure under the lens and including a number of adjacent pixel rows. Each pixel row includes a number of pixels, and each pixel includes an image sensor. An image signal processor unit is connected to the detector, and includes an image scaler configured to scale each row of pixels by one of a plurality of respective scale factors which is different from the respective scale factor of an adjacent row of pixels.