1. A method for testing the fidelity of intensity reproduction in an image output system comprising an image output device and one or more other devices, the method comprising: receiving a representation of a test pattern, wherein the test pattern includes a plurality of anti-aliased features, and wherein the plurality of anti-aliased features are configured to provide visual evidence of a nonlinear transformation of the test pattern by the image output device or the one or more other devices, wherein the visual evidence includes an artifact that is formed from the placement of at least two of the plurality of anti-aliased features.