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U.S. Department of Energy
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High definition television: Evaluation for remote task performance

Conference ·
OSTI ID:7199471
High definition television (HDTV) transmits a video image with more than twice the number of horizontal scan lines that standard resolution television provides (1125 for HDTV to 525 for standard resolution television), with impressive picture quality improvement. These experimental activities are part of a joint collaboration between the US Department of Energy (USDOE) and the Power Reactor and Nuclear Fuel Development Corporation (PNC) of Japan in the field of the Nuclear Fuel Cycle: Reprocessing Technology. Objects in the HDTV picture have more sharply defined edges, better contrast, and more accurate shading and color pattern reproduction. Because television is a key component for teleoperator performance, picture quality improvement could mean speed and accuracy. This paper describes three experiments which evaluated the impact of HDTV on remote task performance. HDTV was compared to standard resolution, monochromatic television and standard resolution, stereoscopic, monochromatic television. Tasks included judgement of depth in a televised scene, visual inspection, and a remote maintenance task. The experiments show that HDTV can improve performance. HDTV is superior to monoscopic, monochromatic, standard resolution television and to stereoscopic television for remote inspection tasks; it is less proficient than stereo television for distance matching. HDTV leads to lower error rate during tasks but does not reduce time required to complete tasks. 6 refs., 3 figs., 3 tabs.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
7199471
Report Number(s):
CONF-880752-3; ON: DE88011573
Country of Publication:
United States
Language:
English