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- W2030822034 abstract "A visually lossless data compression technique is currently being developed for space science applications under the requirement of high-speed push-broom scanning. The technique is also applicable to frame based imaging data. The algorithm first performs a block transform of either a hybrid of modulated lapped transform (MLT) with discrete cosine transform (DCT), or a 2-dimensional MLT. The transform is followed by a bit-plane encoding; this results in an embedded bit string with exact desirable compression rate specified by the user. The approach requires no unique look-up table to maximize its performance and is error-resilient in that error propagation is contained within a few scan lines for push- broom applications. The compression scheme performs well on a suite of test images acquired from spacecraft instruments. Flight qualified hardware implementations are in development; a functional chip set is expected by the end of 2001. The chip set is being designed to compress data in excess of 20 Msamples/sec and support quantization from 2 to 16 bits." @default.
- W2030822034 created "2016-06-24" @default.
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- W2030822034 date "2000-12-28" @default.
- W2030822034 modified "2023-09-23" @default.
- W2030822034 title "<title>Visually lossless data compression technique for real-time frame/pushbroom space imagers</title>" @default.
- W2030822034 cites W1604949508 @default.
- W2030822034 doi "https://doi.org/10.1117/12.411556" @default.
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