1. A method implemented by a computing system, the method comprising: receiving a plurality of image pairs, each including a raw image captured by an image capturing device and an adjusted image that comprises a result of editing the raw image, the adjusted image having one or more adjusted parameters in comparison to one or more corresponding unadjusted parameters of the raw image; and generating a plurality of curves that each relate one or more unadjusted parameters of a raw image to the one or more adjusted parameters of an adjusted image of an image pair, the plurality of curves configured as a reference adjustment to support a global adjustment to a new image, the global adjustment being based on the reference adjustment and an adjustment offset being applied to the new image, the adjustment offset being based on a difference between the reference adjustment and user-defined adjustments made to a subset of the raw images of the plurality of image pairs.