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Fast Multi-Operator Image Resizing and Evaluation Fast Multi-Operator Image Resizing and Evaluation

Fast Multi-Operator Image Resizing and Evaluation

  • 期刊名字:計算機科學(xué)技術(shù)學(xué)報(英文版)
  • 文件大小:
  • 論文作者:Wei-Ming Dong,Guan-Bo Bao,Xiao
  • 作者單位:Sino-French Laboratory for Computer Science,National Institute for Research in Computer Science and Control
  • 更新時間:2023-04-15
  • 下載次數(shù):
論文簡介

Current multi operator image resizing methods succeed in generating impressive results by using image similarity measure to guide the resizing process.An optimal operation path is found in the resizing space.However,their slow resizing speed caused by inefficient computation strategy of the bidirectional patch matching becomes a drawback in practical use.In this paper,we present a novel method to address this problem.By combining seam carving with scaling and cropping,our method can realize content-aware image resizing very fast.We define cost functions combing image energy and dominant color descriptor for all the operators to evaluate the damage to both local image content and global visual effect.Therefore our algorithm can automatically find an optimal sequence of operations to resize the image by using dynamic programming or greedy algorithm.We also extend our algorithm to indirect image resizing which can protect the aspect ratio of the dominant object in an image.

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