An electronic device and method are disclosed. The electronic device includes a camera, a memory and at least one processor. The processor implements the method, including: acquiring image data through a camera, partitioning, by at least one processor, the acquired image data into a first region and a second region according to a designated scheme, acquiring a first auto-white-balancing (AWB) parameter of the first region and a second AWB parameter of the second region, and executing AWB on the image data using both the first AWB parameter and the second AWB parameter.