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http://dx.doi.org/10.9708/jksci.2013.18.12.035

Implementation and Performance Testing of a Broadcasting System using Webcams and Smartphones  

Kim, Jeong-Myeong (Dept. of Computer Engineering, Hoseo University)
Park, Geun-Duk (Dept. of Computer Engineering, Hoseo University)
Publication Information
Journal of the Korea Society of Computer and Information / v.18, no.12, 2013 , pp. 35-43 More about this Journal
Abstract
This paper suggests a way to implement a system that broadcasts compressed JPEG images obtained from a webcam to multiple users on their smartphones. The system was implemented to maintain a suitable image quality so that things are identifiable while using the minimal amount of data, in order to deliver as many frames as possible to as many users as possible. Also, the suggested way was applied and various tests were done, including on: the performance of the server that provides image information; the performance of the client that receives the image information and displays it on the smartphone; and the max. number of simultaneous users supported by the system. When a broadcasting system is implemented using webcams and smartphones, the results of this paper can be used in estimating the suitable system parameters depending on network performance, including the max. number of simultaneous clients supported, the client smartphone performance required, and the number of frames that can be transmitted per second.
Keywords
WebCam; Smartphone; Android; Socket Communication; Broadcasting;
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