Preprint Technical Note Version 1 Preserved in Portico This version is not peer-reviewed

Photometric Correction of Chang’E-1 Interference Imaging Spectrometer’s (IIM) Limited Observing Geometries data with Hapke Model

Version 1 : Received: 3 October 2020 / Approved: 5 October 2020 / Online: 5 October 2020 (10:50:32 CEST)

A peer-reviewed article of this Preprint also exists.

Xu, X.; Liu, J.; Liu, D.; Liu, B.; Shu, R. Photometric Correction of Chang’E-1 Interference Imaging Spectrometer’s (IIM) Limited Observing Geometries Data with Hapke Model. Remote Sens. 2020, 12, 3676. Xu, X.; Liu, J.; Liu, D.; Liu, B.; Shu, R. Photometric Correction of Chang’E-1 Interference Imaging Spectrometer’s (IIM) Limited Observing Geometries Data with Hapke Model. Remote Sens. 2020, 12, 3676.

Journal reference: Remote Sens. 2020, 12, 3676
DOI: 10.3390/rs12223676

Abstract

The main objective of this study is to develop a Hapke photometric model that is suited for Chang’E-1 (CE-1) Interference Imaging Spectrometer (IIM) data. We first divided the moon into three areas including ‘maria’, ‘new highland’ and old ‘highland’ with similar photometry characteristic based on the Hapke parameters of the moon derived from Lunar Reconnaissance Orbiter Camera (LROC) Wide Angle Camera (WAC) multispectral data. Then, we selected the sample data in the ‘maria’ area and obtained a new set of Hapke model’s parameters that can best fit these data. Result shows that photometric correction using Hapke model with these new derived parameters can eliminate the effect of variations in viewing and luminating geometry, especially ‘opposition surge’, more efficiently than the empirical model. The corrected mosaic shows no significant artifacts along the tile boundaries, and more detailed information of the image can be exhibited due to a better correction of ‘opposition surge’ at small phase angle (g <15°).

Keywords

CE-1 IIM; photometric correction; Hapke model; observing geometries; opposition surge

Subject

EARTH SCIENCES, Atmospheric Science

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