IKONOS spatial resolution and image interpretability characterization

IKONOS spatial resolution and image interpretability characterization

Five individual projects characterized the spatial performance of the IKONOS commercial imaging sensor. The result was determination of the spatial image quality of IKONOS data products in terms of the National Imagery Interpretability Rating Scale (NIIRS), the system Modulation Transfer Function (M...

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Veröffentlicht in:Remote sensing of environment 2003-11, Vol.88 (1), p.37-52
Hauptverfasser: Ryan, Robert, Baldridge, Braxton, Schowengerdt, Robert A, Choi, Taeyoung, Helder, Dennis L, Blonski, Slawomir
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IKONOS
Modulation Transfer Function
National Imagery Interpretability Rating Scale
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container_end_page 52
container_issue 1
container_start_page 37
container_title Remote sensing of environment
container_volume 88
creator Ryan, Robert
Baldridge, Braxton
Schowengerdt, Robert A
Choi, Taeyoung
Helder, Dennis L
Blonski, Slawomir
description Five individual projects characterized the spatial performance of the IKONOS commercial imaging sensor. The result was determination of the spatial image quality of IKONOS data products in terms of the National Imagery Interpretability Rating Scale (NIIRS), the system Modulation Transfer Function (MTF), the system stability over its first year of operation, the characteristics of the Space Imaging MTF Compensation (MTFC) procedure, and the application-specific capabilities of IKONOS imagery. Both panchromatic and multispectral imagery were evaluated. Major conclusions of this work are that the system was stable in imaging performance during the first year of operation, that its MTF meets the specification for the NASA Scientific Data Purchase program, that the initial MTFC processing appears to be transposed in the in-track and the cross-track directions, that the MTFC results in a noise amplification of 2× to 4× in addition to sharpening the imagery, and that IKONOS panchromatic imagery achieves an average NIIRS rating of 4.5.
doi_str_mv 10.1016/j.rse.2003.07.006
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subjects IKONOS
Modulation Transfer Function
National Imagery Interpretability Rating Scale
title IKONOS spatial resolution and image interpretability characterization
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