high-resolution

1. Relating to an image that has fine detail.
2. 1. Of or relating to an output device that produces images that contain a large number of dots per unit of area and are therefore sharp and detailed.
   2. Of or relating to a raster-based image that contains a large number of pixels per unit of area.

The adjective has one meaning:

Meaning #1: of especially computer output devices; producing images that are sharp and finely detailed; also"high-resolution photography"
  Antonym: low-resolution (meaning #1)