Resolution Enhancement of Refocused Image Based on Super-Resolution for Focused Plenoptic Camera

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  • Focused Plenopticカメラにおける超解像に基づく高解像度なリフォーカス画像の生成手法(ナノフォトニクス・プラズモニクスおよびイメージセンサ一般)
  • Focused Plenopticカメラにおける超解像に基づく高解像度なリフォーカス画像の生成手法
  • Focused Plenoptic カメラ ニ オケル チョウカイゾウ ニ モトズク コウカイゾウド ナ リフォーカス ガゾウ ノ セイセイ シュホウ

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Abstract

The focused plenoptic camera has recently gained a lot of attention. The focused plenoptic camera constructed with internal microlens arrays captures a compound eye image such as an image in the eyes of an insect. Microlens images in a compound eye image are scaled up by interpolation. Then an image focused on the distance corresponding to the magnification of the microlens images is generated by integrating the scale-up microlens images. However, in the case of high magnification, because of a blur of interpolation, the resolution of an object which should focus in the refocused image can not enhance. To overcome the above problem, this paper presents a new resolution enhancement method of refocused image based on super-resolution by inverse transformation of an observation process. Experimental results demonstrated the effectiveness of proposed method.

Journal

  • ITE Technical Report

    ITE Technical Report 36.50 (0), 5-8, 2012

    The Institute of Image Information and Television Engineers

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