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Wyniki 1-2 spośród 2 dla zapytania: authorDesc:"PAWEŁ FORCZMAŃSKI"

» System-level model of hardware assisted still image compression based on two dimensional principal component analysis

PAWEŁ FORCZMAŃSKI  PIOTR DZIURZAŃSKI  
There are many storage formats for digital images in the PC environment, however hardly no one meets their specific nature. One of the most popular - JPEG/JFIF [13] - is a compromising solution: it gives high compression ratios while retaining acceptable visual quality [13]; its encoders and practical implementations are efficient and easy to use. On the other hand, JPEG has many limitations[...] więcej»
w zeszycie ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA 2007/7


 

» Open virtual steganographic laboratory

PAWEŁ FORCZMAŃSKI  MICHAŁ WĘGRZYN  
Among many different applications where data hiding techniques can be used, one that has received huge attention in recent years is steganography. In that scenario, not just the embedded message is hidden, but the communication process itself is tried to be concealed. Steganography is both art. and science of undetectable communication [1]. Opposed to cryptography which encrypts a message, steganography achieves private communication by hiding message in cover object so not only content is known but also very existence of message. Throughout the history many different media types have been used to hide information. Nowadays steganographic applications [9,16] are using computer file system, transmission protocols, audio files, video files, text files or images, which are the mo[...] więcej»
w zeszycie ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA 2009/11


 

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