Výsledky vyhledávání - "Liang Yong-Quan"

Akademický článek

HVS-based imperceptibility measure of watermark in watermarked color image

Autor: YANG Hong-mei, LIANG Yong-quan, LIU Lian-shan, JI Shu-juan

Publikováno v: Tongxin xuebao, Pp 95-100 (2008)

Imperceptibility of embedded digital watermark reflects the fidelity of watermarked image. The masking of frequency, luminance, texture and color on human vision were analyzed. Based on the color masking and Watson’s JND（just noticeable differenc

Externí odkaz: https://doaj.org/article/6a6edb156a82465d9491db7992fa8cfe

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Akademický článek

An Energy-efficient MAC Protocol for Wireless Body Area Networks

Autor: Zhang Chong-Qing, Liang Yong-Quan, Ni Li-Na, Wang Ying-Long, Shu Ming-Lei

Publikováno v: ITM Web of Conferences, Vol 12, p 03044 (2017)

A WBAN node may be working in two monitoring modes, all-transmit mode and few-transmit mode. Every mode has its own usage scenarios. To effectively prolong its lifetime, a node should be working in few-transmit mode as much as possible. An adaptive m

Externí odkaz: https://doaj.org/article/1e90bb0395674c29a75f78c57a6b0970

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