“Image Correction for High Accurate Image Measurement with Digital Image”

Shingo Nakamura, Yoshimitsu Aoki, Shuji Hashimoto, Koji Hata

Research output: Contribution to journalArticle

Abstract

The recent high advancement of CCD device is making quantitative image measurements practical in many areas. However, various kinds of distortions are included in the obtained image such as distortions due to the aberration of lens and inaccurate setting of camera posture (position and direction), which cannot be ignored for accurate measurement. In this paper we describe a method of correction of such distortions and treatment of digital image in the accuracy of sub-pixel order. Utilizing a high resolution CCD camera with more than six million photocells, we propose a correction method for image distortion caused by the lens' distortion and camera's angle of view can be obtained. We also experimentally verified that, the proposed method could achieve sub-pixel resolution with 4 times fidelity compared to the digital resolution of the camera.

Original languageEnglish
Pages (from-to)534-541
Number of pages8
JournalJournal of the Institute of Image Electronics Engineers of Japan
Volume31
Issue number4
DOIs
Publication statusPublished - 2002 Jan 1
Externally publishedYes

Fingerprint

Cameras
Lenses
Pixels
Photoelectric cells
CCD cameras
Aberrations
Charge coupled devices

Keywords

  • Camera Posture Estimation
  • Digital Camera
  • Distortion Aberration
  • High Accurate Image Measurement

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

“Image Correction for High Accurate Image Measurement with Digital Image”. / Nakamura, Shingo; Aoki, Yoshimitsu; Hashimoto, Shuji; Hata, Koji.

In: Journal of the Institute of Image Electronics Engineers of Japan, Vol. 31, No. 4, 01.01.2002, p. 534-541.

Research output: Contribution to journalArticle

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