Abstract: In accordance with various embodiments of the disclosed subject matter, a smart surveillance and diagnostics system for oil and gas field surface environment via unmanned aerial vehicle (UAV) and cloud computing are provided. Methods and systems provide various functionality including performing, by multiple GPUs or HPCs, a fast pair-wise registration process, a mask setting process, a background generation process, a foreground generation process using a parallel computation infrastructure, a deep learning classification process, and performing anomalism detection (including vision, acoustic and gas concentration) and 3D augmented reality and 2D Panorama view reconstruction under a variety of conditions.