The invention discloses a digital display method and
system for art exhibition, and relates to the technical field of digital display, and the method comprises the steps: generating a
point cloud data set; performing grid reconstruction on the
point cloud data set to generate a three-dimensional digital grid of the exhibit; performing material feature analysis on the three-dimensional digital grid of the exhibit, and extracting a material parameter set; collecting audience position coordinates, calculating an audience-exhibit relative
azimuth angle based on the audience position coordinates, and generating a
view angle transformation matrix; the
view angle transformation matrix is applied to the exhibit three-dimensional digital grid, the material parameter set is superposed for rendering, an exhibit image after
view angle transformation is output, and the exhibit image and the exhibition hall
background image are synthesized into a
mixed reality scene; and dynamically updating the
visual angle transformation matrix based on the real-time change of the position coordinates of the audience, and regenerating the
mixed reality scene. According to the invention, a multi-sensor cooperative
acquisition scheme is adopted, so that the three-dimensional reconstruction precision is remarkably improved; and a multispectral
structured light illumination technology is introduced, so that accurate acquisition of material characteristics is realized.