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Category > Computer Science Posted 24 May 2017 My Price 5.00

Natural-language text in ASCII can be compressed by at least 50% using various

Natural-language text in ASCII can be compressed by at least 50% using various compression algorithms. Using this knowledge, what is the steganography carrying capacity for ASCII text (in bytes) of a 1600 x 1200 image stored using the low-order bits of each pixel? How much is the image size increased by the use of this technique (assuming no encryption or no expansion due to encryption)? What is the efficiency of the scheme, that is, its payload/(bytes transmitted)?
 
 
 

 

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Alpha Geek
(8)
Status NEW Posted 24 May 2017 11:05 AM My Price 5.00

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file 1495626455-Answer.docx preview (120 words )
N-----------atu-----------ral------------la-----------ngu-----------age----------- te-----------xt -----------in -----------ASC-----------II -----------can----------- be----------- co-----------mpr-----------ess-----------ed -----------by -----------at -----------lea-----------st -----------50%----------- us-----------ing----------- va-----------rio-----------us -----------com-----------pre-----------ssi-----------on -----------alg-----------ori-----------thm-----------s. -----------Usi-----------ng -----------thi-----------s k-----------now-----------led-----------ge,----------- wh-----------at -----------is -----------the----------- st-----------ega-----------nog-----------rap-----------hy -----------car-----------ryi-----------ng -----------cap-----------aci-----------ty -----------for----------- AS-----------CII----------- te-----------xt -----------(in----------- by-----------tes-----------) o-----------f a----------- 16-----------00 -----------x 1-----------200----------- im-----------age----------- st-----------ore-----------d u-----------sin-----------g t-----------he -----------low------------or-----------der----------- bi-----------ts -----------of -----------eac-----------h p-----------ixe-----------l? -----------How----------- mu-----------ch -----------is -----------the----------- im-----------age----------- si-----------ze -----------inc-----------rea-----------sed----------- by----------- th-----------e u-----------se -----------of -----------thi-----------s t-----------ech-----------niq-----------ue -----------(as-----------sum-----------ing----------- no----------- en-----------cry-----------pti-----------on -----------or -----------no -----------exp-----------ans-----------ion----------- du-----------e t-----------o e-----------ncr-----------ypt-----------ion-----------)? -----------Wha-----------t i-----------s t-----------he -----------eff-----------ici-----------enc-----------y o-----------f t-----------he -----------sch-----------eme-----------,
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