Analysis of the Camerawork of Broadcasting Cameramen

摘要

NHK has been developing an intelligent robot camera that can automatically shoot an object and produce images with a sense of reality, as if a very skilled cameraman were at work. Basic experiments in studios and relaxed sports telecasts were conducted, in the shooting of cooking and educational programs and also during the broadcasting of soccer and ski jumping. From these experiments the following was learned: before shooting, the cameraman's eyes move from −2° to 5° horizontally and −2° to 5° vertically; the panning velocity curve in a studio program has an asymmetrical shape; and the maximum panning acceleration that occurs during live sports broadcasting is about 200°/sec <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> while on the air, but 300°/sec <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> or more while not broadcasting.