MOS Experiments of QHD(Quadruple HD:3840^*2048 pixels) Images and Proposal of Application with QHD Images

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Other Title
  • QHD(Quadruple HD:3840^*2048画素)映像の主観評価実験とQHD映像を用いたアプリケーションの提案
  • QHD(Quadruple HD:3840※2048画素)映像の主観評価実験とQHD映像を用いたアプリケーションの提案
  • QHD Quadruple HD 3840 2048 ガソ エイゾウ ノ シュカン ヒョウカ ジッケン ト QHD エイゾウ オ モチイタ アプリケーション ノ テイアン

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Abstract

The authors proposed an ultra-high definition image format (QHD: Quadruple HD), which provides double the resolution of HDTV image format in both lengthwise and crosswise. Based on this format, we developed QHD camera, which captures each color of RGB by single chip, and QHD projector, which displays each color of RGB by single chip. On the other hand, many common carriers begin to provide high-speed network services, as a consequence, 100 Mbps network service is made available to users at their home. In this paper, we would like to describe the outline and the result of a subjectivity evaluation experiment of the QHD image carried out using the still-frame picture. From this experiment, we can get the high evaluation to the QHD image and the evaluation result about the influence of the compression rate and tile size at the time of compressing by JPEG2000. We would like to propose an image distribution model as one of the applications of WHD images or QHD images for homes. This model offers the contents which are effective, high-definition and adapted for a viewer's needs using the tiling function of JPEG2000. Also, we would like to describe about the outline and important points about this model.

Journal

  • ITE Technical Report

    ITE Technical Report 25.78 (0), 59-63, 2001

    The Institute of Image Information and Television Engineers

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