You can publish the following, as an image service:
- Raster dataset
- Raster layer
- Mosaic dataset
- Mosaic layer
http://resources.arcgis.com/en/help/main/10.1/index.html#/Publishing_image_services/01540000045v0000...
I have ArcGIS for Server only. You can only publish raster datasets and layer files that reference raster datasets. You can use either ArcCatalog or Manager to publish the service.
I have ArcGIS for Server and the ArcGIS Image extension . You can publish raster datasets, mosaic datasets, or layer files that reference raster datasets or mosaic datasets. You can use either ArcCatalog or Manager to publish the service.