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Pixel-level Terrain Processing of the Martian Surface from Moderate Resolution Images of Tianwen-1

Liu, Dingxin; Yan, Wei; Liu, Jianjun +3 more

The moderate-resolution camera (MoRIC) of the Tianwen-1 orbiter, China's first Mars exploration mission, is a frame-imaging scheme color camera. However, generating a precise digital elevation model (DEM) from these images faces challenges due to the presence of featureless and repetitive regions on the Martian surface. Traditional photogrammetric…