Mosaics ‐ a system to produce state‐of‐the‐art satellite imagery for resource managers

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Abstract
This paper describes the Multi‐Observation Satellite Image Correction System (MOSAICS), a precision correction facility for processing data from the LANDSAT MSS and TM sensors and from the SPOT Multi‐Spectral Linear Array (MLA) and Panchromatic Linear Array (PLA) sensors at the Canada Centre for Remote Sensing (CCRS). MOSAICS produces a wide range of product types, from completely raw to fully corrected with subpixel accuracy. Products are offered as full scenes in the spacecraft projection and as geocoded subscenes rotated to the UTM map projection. All products are offered as both Computer Compatible Tapes (CCTs) and films. CCTs are produced in the standard LANDSAT Ground Station Operator's Working Group format with the full range of options allowed by this family of formats. Film products are exposed directly on a color film recorder with a wide choice of radiometric enhancements including scene histogram enhancements, reflectance based enhancements and custom (user specified) enhancements. The MOSAICS geocoded products greatly facilitate the use of multi‐temporal and multi‐sensor data because the geocoded products from all sensors are registered to the same base maps and are presented in the same format. These products are particularly useful to users who are integrating digital remote sensing data with other digital geographic data.

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