2. The method of claim 1 , further comprising: generating a monochrome annotation mask based on the image; rendering the annotations on the annotation mask; generating the OIC on the annotation mask by copying pixels obscured by the annotations on the image to the annotation mask; and persisting the annotation mask and the OIC data.
2. The method of claim 1 , further comprising: generating a monochrome annotation mask based on the image; rendering the annotations on the annotation mask; generating the OIC on the annotation mask by copying pixels obscured by the annotations on the image to the annotation mask; and persisting the annotation mask and the OIC data. 5. The method of claim 2 , further comprising: initializing all pixels of the annotation mask to a default color prior to rendering the annotations on the annotation mask.