Activity measure as a frame rate control in improved television channel utilization
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- Abstract
The activity of a television image can be used to control the rate at which television frames are transmitted resulting in improved usage of a television channel. The frames are transmitted at a reduced rate but are presented at the viewing end at the normal rate of thirty frames per second. The improved channel utilization comes about by combining several reduced rate television signals and transmitting them over a single television channel. This report investigates possible measures of activity and the use of the measure to control the frame renewal rate and examines the success of a simulation of a communication system in which the frame renewal rate is controlled by image activity. It is demonstrated that image activity can be successfully used to control a communication system which transmits still or slowly varying, i.e. low activity, pictures.
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This work is available on request. You can request a copy at https://library.carleton.ca/forms/request-pdf-copy-thesis
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Copyright © 1976 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 1976
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