Marine airborne multispectrum scanner (MAMS) onboard the China marine surveillance plane can be used to survey marine environment, resources and disaster and provide the technical support for high-frequency, high-efficiency and high-resolution remote sensing monitoring for the coastal management. MAMS did not have the IMU/POS equipment, so it brought severe challenge for the geometry correction. One airborne geometry correction method is introduced for marine multi-spectrum data without the attitude information. First, it is the coarse geometry correction, which simulates the roll angle and pitch angle of plane according to the ideal flying model; the second step is the precise geometry correction by using the SPOT orthogonal projected data as the reference of registration, based on maximization of alignment metric method. With the validation, relative error of coarse correction is 81.42 m compared with SPOT data, and 11.3 m for precise correction. This method provides the high precision localization information for the oceanic remote sensing and application, and establishes the foundation for monitoring the marine resource and environment.

Airborne geometry correction method for marine multispectrum data without attitude information

With the development of GPS real time position technology, GPS is widely used in navigation and position for moving objects such as ship and plane. The air\|borne GPS data used for the skyway rectification is used to simulate the fly way, calculate the parameters, and then do the orientation rectification for remote sensing images,so as to make a base for precise geometric rectification.OMIS is an imaging spectrometer made recently by the Institute of Shanghai Technology and Physics. A test fly was conducted in Changzhou city, Jangsu province at August,1998. In this article, an experiment for skyway rectification of OMIS image using airbore GPS data is done and a good result is achived in the experiment.

Study on Skyway Rectification of OMIS Image Using Air-borne GPS Data

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Study on Skyway Rectification of OMIS Image Using Air-borne GPS Data