NTT's VR technology aims to impress at Tokyo Olympics

Suppose that tennis superstar Kei Nishikori serves to you in virtual reality, or a 3-D image of Mashu Baker, a Rio Olympic gold medalist in judo, appears like magic on a stage and powers into action.

Scenes like these comprised the centerpiece of a media preview on Feb. 13 by Nippon Telegraph and Telephone Corp., which showcased its image technology for vividly replicating top athletes in competition.