Improving the efficiency of dictionary methods in compressing data through xnor and relative encoding method / Ahmed Moussa Saafan Mostafa ; Supervised Hebat-Allah M. Mourad, Neamat S. Abdel Kader, Halla A. Galal

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Ahmed Moussa Saafan Mostafa

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TextLanguage: English Publication details: Cairo : Ahmed Moussa Saafan Mostafa , 2015Description: 80 P. ; 30cmOther title:

وطريقة التشفير النسبيه XNORتحسين كفاءة الطرق القاموسيه في ضغط البيانات من خلال بوابة ال [Added title page title]

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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Electronics and Communication Summary: In this thesis, different lossless data compression methods will be discussed. Two approaches are proposed to improve the efficiency of the data compression through cascading any of the two approaches or both of them with Lempel-Ziv method. Thesis shows also the results of compressing different types of data files (text-audio-scientific) using the two approaches, and compare their results with the results of compressing the same data files using either Lempel-Ziv method alone or after cascading it with the binary masking method. The results show an enhancement in compression efficiency using the two approaches in conjunction with an improvement in processing time for text and scientific data files

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Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.13.08.M.Sc.2015.Ah.I (Browse shelf(Opens below))		Not for loan		01010110066284000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.13.08.M.Sc.2015.Ah.I (Browse shelf(Opens below))	66284.CD	Not for loan		01020110066284000

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Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Electronics and Communication

In this thesis, different lossless data compression methods will be discussed. Two approaches are proposed to improve the efficiency of the data compression through cascading any of the two approaches or both of them with Lempel-Ziv method. Thesis shows also the results of compressing different types of data files (text-audio-scientific) using the two approaches, and compare their results with the results of compressing the same data files using either Lempel-Ziv method alone or after cascading it with the binary masking method. The results show an enhancement in compression efficiency using the two approaches in conjunction with an improvement in processing time for text and scientific data files

Issued also as CD

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