Ismailoǧlu,N.Benderli,O.Yeşil,S.Sever,R.Okcan,B.Şengül,O.Öktem,R.Chemical Engineering2024-07-052024-07-05200650769526144978-076952614-010.1109/AHS.2006.492-s2.0-33845568727https://doi.org/10.1109/AHS.2006.49https://hdl.handle.net/20.500.14411/3543GEZGİN and GEZGİN-2 are real-time multi-spectral image processing subsystems developed for BİLSAT-1 and RASAT satellites respectively, the first two earth observing small satellites of Turkey, Main functionality of these subsystems is to compress in real-time multi-spectral images received concurrently from imagers, using JPEG2000 Image Compression algorithm. The compression features are controlled through user-supplied parameters uploaded in-orbit, so that the compression rate could be adapted to bandwidth, image quality and other mission requirements. GEZGİN employs both reconfigurable hardware and a DSP processor for image processing, where as the more advanced GEZGİN-2 contains full integration of the JPEG2000 processing path plus other image pre-processing features on reconfigurable hardware, hence offering increased performance and full re-configurability in orbit. Both systems demonstrate space-tailored architectures for implementing image processing functions where adaptability becomes the crucial issue determining robustness, flexibility and survivability of the system. © 2006 IEEE.eninfo:eu-repo/semantics/closedAccess[No Keyword Available]GEZGİN & GEZGİN-2: Adaptive real-time image processing subsystems for earth observing small satellitesConference Object2006351358