  We present a statistical color constancy method that relies on novel gray
pixel detection and mean shift clustering. The method, called Mean Shifted Grey
Pixel -- MSGP, is based on the observation: true-gray pixels are aligned
towards one single direction. Our solution is compact, easy to compute and
requires no training. Experiments on two real-world benchmarks show that the
proposed approach outperforms state-of-the-art methods in the camera-agnostic
scenario. In the setting where the camera is known, MSGP outperforms all
statistical methods.
