CONTEC has been as a top satellite image processing and satellite image distribution service as a whole-ground integration solution provider in Korea.
Contec Satellite Image Pre-Processing Service
CONTEC's pre-processing of satellite images is applied to calibration algorithms to correct radiometric, geometric, and spatial distortions.
Pre-processing operations, sometimes referred to as image restoration and rectification, are intended to correct for sensor- and platform-specific radiometric and geometric distortions of data. Radiometric corrections may be necessary due to variations in scene illumination and viewing geometry, atmospheric conditions, and sensor noise and response. Each of these will vary depending on the specific sensor and platform used to acquire the data and the conditions during data acquisition. Also, it may be desirable to convert and/or calibrate the data to known (absolute) radiation or reflectance units to facilitate comparison between data.
Variations in illumination and viewing geometry between images (for optical sensors) can be corrected by modeling the geometric relationship and distance between the area of the Earth's surface imaged, the sun, and the sensor. This is often required so as to be able to more readily compare images collected by different sensors at different dates or times, or to mosaic multiple images from a single sensor while maintaining uniform illumination conditions from scene to scene.
Features of Satellite Image Pre-Processing Service
 Radiometric Correction: Image pattern/system noise cancellation
 Spatial Correction: Image resolution and quality enhancement
 Geometric Correction: Geometric correction with satellite positioning/ orbit information.
 Quality Evaluation: Image radiometric/ geometric quality evaluation.
 High-speed processing: Mass data high-speed processing.
If you are looking for a satellite image pre-processing service, you can find them at Contec.

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