文摘
Traditional projection environments typically comprise projectors and custom-built projection screens in a static setting. However, with the availability of embedded and standalone pico-projectors, the representative use-case of such hand-held projectors is shifting from static to mobile. Users are increasingly using such devices to project content in random indoor environments that are cluttered and hence not completely suitable for projection. This paper proposes a robust binary-coded pattern that enables the reliable selection of a clutter-free sub-surface from within the projected area and thus allows the confinement of projection to the selected sub-region. Experiments confirm that the proposed pattern provides better resilience to the detection errors as compared to the state-of-the-art binary-coded patterns for the case of mobile-grade low-resolution pico-projectors.