Background: This study evaluated whether IMRT using fewer beams and segments could reduce delivery time without compromising plan quality in gastric cancer adjuvant radiotherapy. Materials and Methods: Fifteen patients with advanced gastric cancer who underwent D2, R0 surgery were included in this study. IMRT plans for each patient were designed as 7 equal beams with 40 segments, 5 beams with 2...

Consider a 2n element colored point set, n points red and n points blue, in convex position in the plane. Erdős asked to estimate the number of points in the longest noncrossing path such that edges join points of different color and are straight line segments. Kynčl, Pach and Tóth in 2008 gave a construction proving the upper bound 43n+ O( √ n). This bound is conjectured to be tight. For an ar...

We propose a novel visualisation method for DNA and other long sequences over a small alphabet, which is based on the construction of the family of Rauzy fractals for infinite words. We use this technique to find repeating structures of widely varying length in the input string as well as the identification of coding segments. Other properties of the input can also come to light using this tech...

In this paper we propose a strategy for generating consistent hierarchical T–meshes which allow local refinement and offer a way to obtain spline basis functions with highest order smoothness incrementally. We describe the required ordering of line–segments during refinement and the construction of spline basis functions. We give our strategy for generating consistent hierarchical T–meshes over...

We describe Dublin City University (DCU)’s participation in the Hyperlinking sub-task of the Search and Hyperlinking of Television Content task at MediaEval 2013. Two methods of video hyperlinking construction are reported: i) using spoken data annotation results to achieve the ranked hyperlink list, ii) linking and merging meaningful named entities in video segments to create hyperlinks. The d...