Volume 7 Issue 4
Aug.  2014
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HUANG Hou-tian, WANG De-jiang, SHEN Hong-hai, GAO Yu-jun. Analysis and prospect of auto-focusing technique for the aerial camera[J]. Chinese Optics, 2014, 7(4): 542-551. doi: 10.3788/CO.20140704.0542
Citation: HUANG Hou-tian, WANG De-jiang, SHEN Hong-hai, GAO Yu-jun. Analysis and prospect of auto-focusing technique for the aerial camera[J]. Chinese Optics, 2014, 7(4): 542-551. doi: 10.3788/CO.20140704.0542

Analysis and prospect of auto-focusing technique for the aerial camera

doi: 10.3788/CO.20140704.0542
  • Received Date: 15 Jan 2014
  • Rev Recd Date: 17 Mar 2014
  • Publish Date: 25 Jul 2014
  • The requirements of auto-focusing technique for the aerial remote sensing system are introduced considering the unique operating conditions and the applications, and three major auto-focusing techniques, namely programming focusing technique, auto-collimation focusing technique and the image contrast focusing technique, are analysed. Furthermore, the performance indexes such as focusing precision, focusing timing consumption as well as application limitation of these three techniques are discussed. Finally, we focus on the relationship between the light field theory and the auto-focusing technique, and its further application prospect in the aerial camera system is also analyzed.

     

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