On-Line Multiple-Strip Packing

  • Authors:
  • Deshi Ye;Xin Han;Guochuan Zhang

  • Affiliations:
  • College of Computer Science, Zhejiang University, Hangzhou, China 310027;Department of Mathematical Informatics, Graduate School of Information and Technology, University of Tokyo, Tokyo, Japan 113-8656;College of Computer Science, Zhejiang University, Hangzhou, China 310027 and State Key Lab of CAD & CG, Zhejiang University,

  • Venue:
  • COCOA '09 Proceedings of the 3rd International Conference on Combinatorial Optimization and Applications
  • Year:
  • 2009

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Abstract

We study the multiple-strip packing problem, in which the goal is to pack all the rectangles into m vertical strips of unit widths such that the maximum height among strips used is minimized. A number of on-line algorithms for this problem are proposed, in which the decision of delivering the rectangles to strips as well as packing the rectangles in strips must be done on-line. Both randomized and deterministic on-line algorithms are investigated, and all of them are guaranteed to have constant competitive ratios.