Abstract We introduce here an improved design of the Uniform Marker Fields and an algorithm for their fast and reliable detection. Our concept of the marker ?eld is designed so that it can be detected and recognized for camera pose estimation: in various lighting conditions, under a severe perspective, while heavily occluded, and under a strong motion blur. Our marker ?eld detection harnesses the fact that the edges within the marker ?eld meet at two vanishing points and that the projected planar grid of squares can be de?ned by a detectable mathematical formalism. The modules of the grid are greyscale and the locations within the marker ?eld are de?ned by the edges between the modules. The assumption that the marker ?eld is planar allows for a very cheap and reliable camera pose estimation in the captured scene. The detection rates and accuracy are slightly better compared to state-of-the-art marker-based solutions. At the same time, and more importantly, our detector of the marker ?eld is several times faster and the reliable real-time detection can be thus achieved on mobile and low-power devices. We show three targeted applications where the planarity is assured and where the presented marker ?eld design and detection algorithm provide a reliable and extremely fast solution.