1. An image processing apparatus, comprising: a pre-processor configured to generate information relating to image positions based on a plurality of Bayer image signals obtained by a plurality of cameras; an independent image signal processor (IISP) configured to perform a first image signal processing operation for generating first image data of an RGB format from a first one of the plurality of Bayer image signals obtained by a first one of the plurality of cameras, and generate image processing information calculated during the first image signal processing operation; and a dependent image signal processor (DISP) configured to perform a second image signal processing operation for generating second image data of the RGB format from a second one of the plurality of Bayer image signals obtained by a second one of the plurality of cameras using the image processing information and the information relating to the image positions.