A search for Ganymede stereo images and 3D mapping opportunities. (15th October 2017)

• Record Type: Journal Article
• Authors: Zubarev, A.; Nadezhdina, I.; Brusnikin, E.; Giese, B.; Oberst, J.
• Is Part Of: Planetary and space science. Volume 146(2017)
• Page Start: 40
• Page End: 54
• Publication Date: 2017-10-15
• Subjects: Space sciences -- Periodicals; Atmosphere, Upper -- Periodicals; Sciences spatiales -- Périodiques; Haute atmosphère -- Périodiques; 523
• DOI: 10.1016/j.pss.2017.07.021
• Languages: English
• ISSNs: 0032-0633

Abstract

Abstract: We used 126 Voyager-1 and -2 as well as 87 Galileo images of Ganymede and searched for stereo images suitable for digital 3D stereo analysis. Specifically, we consider image resolutions, stereo angles, as well as matching illumination conditions of respective stereo pairs. Lists of regions and local areas with stereo coverage are compiled. We present anaglyphs and we selected areas, not previously discussed, for which we constructed Digital Elevation Models and associated visualizations. The terrain characteristics in the models are in agreement with our previous notion of Ganymede morphology, represented by families of lineaments and craters of various sizes and degradation stages. The identified areas of stereo coverage may serve as important reference targets for the Ganymede Laser Altimeter (GALA) experiment on the future JUICE (Jupiter Icy Moons Explorer) mission. Highlights: We selected images suitable for stereo processing and construction of Digital Elevation Models. We defined in quantitative measure "stereo quality" for Ganymede surface coverage. We present image anaglyphs and demonstrate several topographic models produced by photogrammetric techniques.