Required Quantizing Resolution for Perceptually Linearized Medical X-Ray Images on Display Monitor

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概要

• 論文の詳細を見る

• This paper theoretically clarifies required quantizing resolution to display digitized X-ray images on a cathode-ray-tube (CRT) monitor provided that the observer should not recognize contours that do not exist in original X-ray film images. Human visual system for luminance difference discrimination is an important factor of determining required quantizing resolution. We, therefore, carry out analysis using Barten model, which provides good fit of many experimental data. First, we clarify the required quantizing resolution of the density input to film and that for the voltage input to a CRT monitor. Then, we present the design results of look-up-table (LUT) for perceptually linear transform for a CRT that can reproduce the luminance difference information in film images, and clarify validity of our theoretical studies.

• 社団法人電子情報通信学会の論文
• 2002-02-01

著者

• Suzuki Junji

  Faculty Of Information Science And Technology Aichi Prefectural University

• FURUKAWA Isao

  NTT Network Innovation Laboratories, NTT Corporation

• ONO Sadayasu

  Graduate School of Media and Governance, Keio University

• SUZUKI Junji

  TAO Makuhari Gigabit Research Center

• ONO Sadayasu

  NTT Network Innovation Laboratories, NTT Corporation

• Suzuki Junji

  Institute For Solid State Physics University Of Tokyo

• Ono Sadayasu

  Graduate School Of Media And Governance Keio University

• Suzuki J

  Faculty Of Information Science And Technology Aichi Prefectural University

• Furukawa I

  Ntt Network Innovation Laboratories Ntt Corporation

• SUZUKI Junji

  Faculty of Information Science and Technology, Aichi Prefectural University

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