A quality of an image obtained by image processing is improved with a shorter amount of time spent in the image processing. An image processing apparatus includes, an acquisition unit configured to acquire an image, a determination unit configured to determine a quality of the acquired image, a switching unit configured to switch between settings of acquiring and not acquiring a reference image, from a communication apparatus connected to the image processing apparatus, used for improving the quality of the acquired image, based on the determined quality, and a processing unit configured to perform image processing by using the reference image acquired from the communication apparatus, in accordance with the switching by the switching unit.