The production of DOM from original images typically includes data preparation, radiometric correction, geometric correction, orthorectification, image registration, image fusion, image color balancing, image mosaic, image cropping, and final output. Each step requires manual intervention with complex operations and low efficiency.

SuperMap ImageX Pro integrates these steps into a highly automated DOM Production Process. This process simplifies the complex operations in traditional workflows, significantly improves production efficiency, and lowers the barrier to use. The reusable nature of this workflow ensures consistent processing results across different image batches.

This workflow is enabled by default in the initialization interface, aiming to rapidly and efficiently process original remote sensing imagery into DOM data. The workflow steps are described as follows:

• Set Image Path: Used to set original images, reference images, result data processing paths, etc. It also supports filtering and pairing original panchromatic and multispectral images.
• Generate Tie Points: Automatically generates tie points in overlapping image areas to stitch and adjust multiple satellite images, ensuring geometric consistency between images.
• Generate Ground Control Points: Generates ground control points based on image feature points for high-precision geometric correction and position tracking, ensuring geographic positioning accuracy.
• Block Adjustment: Calculates orientation parameters for satellite images through adjustment computations based on tie points and ground control points.
• Generate Orthophotos: Corrects image information using RPC orthophoto correction files, including panchromatic and multispectral images, to eliminate geometric distortions caused by terrain relief and sensor attitude.
• Multispectral and Panchromatic Registration: Registers corrected panchromatic and multispectral images to ensure perfect spatial alignment for subsequent fusion.
• Image Fusion: Enhances image quality through composite transformations of multi-temporal, multi-sensor, multi-resolution, and multi-spectral images.
• True Color Output: Improves display effects using image stretching and enhancement techniques to achieve colors closer to actual ground features.
• Image Color Balancing: Enhances overall quality and visual consistency by adjusting image color, brightness, and contrast.
• Build Mosaic Lines: Automatically generates mosaic lines at specified pyramid levels. During image mosaic, overlapping areas are processed along these lines to ensure seamless results.
• Output Result: Exports processed DOM data in whole map, standard map sheet, or vector clip modes.

Figure: Original Image DOM Production Workflow