Abstract

Almost all picture processing operations that work in the temporal domain can benefit from knowledge of the speed and direction of moving objects in the scene. Generally, motion vector measurement techniques that have been developed so far do not work well enough for broadcast quality applications. The report reviews four existing techniques, and suggests some novel extensions to a technique based on phase correlation. The results of simulating this technique on a computer image processing system are reported. Several specific applications have been investigated, including temporal standards conversion and bandwidth reduction in a system using DATV (Digitally Assisted Television). The results are encouraging, and suggest that the proposed vector measurement technique can be used sucessfully in critical broadcast quality applications.