“…One is to allocate more of the limited encoding bits to the important areas than the background (Sun, Ahmad & Zhang, 2006). Many different bit allocation schemes for ROI-based video coding have been presented in (Ahmad, 2006a;Ahmad & Lee, 2008;Liu, Li & Soh, 2008;Lu et al, 2005;Shi, Yue & Yin, 2008;Sun et al, 2006;Yang, Zhang, Ma & Zhao, 2009). The other way is to crop and display the ROI area only on the small screen of a mobile device in order to zoom in the small objects, which has been examined for sports videos Seo & Kim, 2006;Shenghong, Yufu & Shenglong, 2010).…”