A Digital Surface Model (DSM) represents the earth's surface morphology through a series of discrete or regular 3D coordinate points, including natural and artificial features such as tree canopies and buildings. It is suitable for scenarios where the sole objective of the data processing task is to quickly obtain high-precision 3D geometry, elevation information, or volume information for a specific area, without requiring any color, texture, or classification information.

• Set Image Path (DSM/DEM): Configure original images, reference images, and result data processing paths.
• Generate Tie Points: Automatically creates tie points in overlapping image areas to align multiple satellite images through mosaicking and adjustment, ensuring geometric consistency.
• Generate Ground Control Points: Produces ground control points based on image features for high-precision geometric correction and positional alignment, guaranteeing geolocation accuracy.
• Block Adjustment: Calculates satellite image orientation parameters through adjustment computations using tie points and ground control points.
• Generate DSM: Produces point cloud data via dense matching algorithms and generates DSM data through interpolation.

Figure: DSM Production Workflow