Image Super-Resolution using RIPOC-based registration

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Other Title
  • 回転不変位相限定相関法の超解像技術への応用(インタラクティブシステム・画像入力デバイス・方式,及び一般)
  • 回転不変位相限定相関法の超解像技術への応用
  • カイテン フヘン イソウ ゲンテイ ソウカンホウ ノ チョウカイゾウ ギジュツ エ ノ オウヨウ

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Abstract

Multi-Frame Super-Resolution is a technique which attempts to reconstruct high-resolution image by fusing a number of low-resolution images. Therein, high-accuracy registration for the input low-resolution image set is required for reconstruction a clear high-resolution image. The conventional registration approaches for Multi-Frame Super-Resolution such as Iterative Back Projection and LK optical flow methods, can obtain accurate parameters for tiny translation or rotation movement between images. However, for large movement especially in rotation, there are still no efficient methods for reconstructing high-resolution image. Therefore, in this paper we proposed a new method using Rotation Invariant Phase Only Correlation, which can estimate large rotation parameter, and then follow the Iterative back Projection method for reconstructing high-resolution image. Experimental results show that the reconstructed high resolution images by our proposed approach are much better than those by interpolation techniques.

Journal

  • ITE Technical Report

    ITE Technical Report 35.23 (0), 33-36, 2011

    The Institute of Image Information and Television Engineers

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