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Effect of image motion and vibration on image quality of TDICCD camera

  • Zhi Le Wang*
  • , Xu Xia Zhuang
  • , Lan Qing Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Image motion and vibration are significant factors influencing image quality of satellite-based TDI camera. In order to learn their effect on TDICCD, motion degradation models at two directions were established. Based on the models, Line spread functions (LSF) for image motion of different types and strict expressions of MTF for abnormal linear image motion were deduced. Modulation transfer function (MTF) for sinusoidal image vibration was calculated through numerical integration. Geometric distortion was evaluated by linear part of phase transfer function (PTF). The results indicate that abnormal linear motion and high frequency vibration cause space-invariant image blur while low frequency vibration brings space-variant image blur and geometric distortion.

Original languageEnglish
Title of host publicationMeasuring Technology and Mechatronics Automation IV
Pages584-588
Number of pages5
DOIs
StatePublished - 2012
Event4th International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2012 - Sanya, China
Duration: 6 Jan 20127 Jan 2012

Publication series

NameApplied Mechanics and Materials
Volume128-129
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference4th International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2012
Country/TerritoryChina
CitySanya
Period6/01/127/01/12

Keywords

  • Image motion
  • LSF
  • MTF
  • TDICCD camera

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