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I describe three practical codes, in python, C++ and C.
The design of the distortion is essentially the only task left to the steganographer since efficient practical codes exist that embed near the payload-distortion bound.
The RSNR of DCT based designs are presented in Table 3 (again, the performance predicted by SWC-HRSQ model is not an upper bound for corresponding practical codes).
Due to the overly simplified analytical model used in the current practical codes, it is necessary to further investigate the reliability of the code predictions.
The BP algorithm has been proved to be optimal if the graph of the code does not contain cycles, but it can still be used and considered as a reference for practical codes with cycles.
However, this assumption does not invalidate our analysis, since it has been shown that the outage probability predicts surprisingly well the frame error rate of good practical codes with relatively short block lengths[24, 25].
Similar(52)
The computer science taught in colleges still focusses more on theory than on commercial application; the business of teaching practical coding skills has the whiff of trade school.
The fourth General Congregation, which had elected Aquaviva general, entrusted him with the task of drawing up a practical code of education for its schools.
Demeulemeester, 51, offers a practical code for modern dressing, a range of high-end staples and classics rendered in her own idiosyncratic and luxurious tastes – and available now as a more accessible capsule collection for online emporium thecorner.com.
This practical code — which helped to muster some 200,000 African-American soldiers for the Union — was, Witt writes, "a weapon for the achievement of Union war aims, like the Springfield rifle, the Minié ball and the ironclad ship".
An interplay of new and old ideas was typical of the time: official homilies exhorted the people to obedience; the Italian political theorist Niccolò Machiavelli was expounding a new, practical code of politics that caused Englishmen to fear the Italian "Machiavillain" and yet prompted them to ask what men do, rather than what they should do.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com