The invention belongs to the field of
computer vision. In order to achieve the balance between general quantization error and overload error to ensure that the quantization output
noise-
signal ratio is optimum, the method adopts the technical scheme of a depth calculation imaging method based on a
flight time TOF camera, and the method comprises the following steps: firstly, obtaining respective internal parameters including focal distances and optical centers and external parameters including rotation and translation of the TOF camera and a color camera after camera calibration, and obtaining a plurality of depth scatters on a
high resolution diagram; secondly, building an autoregression model item of an energy function; thirdly, building an basic data item and a final solve equation of the energy function, building a data item of the energy function through an initial depth scatter diagram, and combining the data item and an autoregression item with a factor Lambada into a
whole body to be served as a final solve equation through a lagrange equation; and fourthly, performing solving on an optimized equation through a linear
function optimization method. The method is mainly applied to
digital image processing.