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racfor_wiki:datoteke_i_datotecni_sustavi:analiza_jpeg_xr_formata [2020/01/09 17:06] rtusek [Zaključak] |
racfor_wiki:datoteke_i_datotecni_sustavi:analiza_jpeg_xr_formata [2024/12/05 12:24] (trenutno) |
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| ===== Sažetak ===== | ===== Sažetak ===== | ||
| - | The fact that we could even recover data from a formatted Hard Drive is kind of amazing. You choose (or not) to delete data, but it is still there, even if it is not that easy to read. | + | JPEG XR je standard razvijen od strane JPEG odbora 2009. godine. Razvijen je prvenstveno s ciljem da unaprijedi mogućnosti spremanja digitalnih fotografija. Postiže visoku kvalitetu slika uz razumnu vremensku i prostornu složenost što ga čini spojem najboljeg od JPEG i JPEG 2000 standarda. Uz mogućnost kompresije bez gubitka, širokim izborom modela boja, te potporom za HDR fotografiju, |
| - | The purpose of this paper is to understand how data recovery works. To do so, we explain the steps and some technics. We will go through how a sinister leading to a try for data recovery can occur. Then, we will see a method that could have been used by computer forensics experts in order to find traces. To finish, we will mention methods to definitely erase data from Hard Drives to avoid leaving traces. | ||
| - | The reasons for those sinisters are numerous, but human mistakes are majorly involved. Peter Gutmann proposed through his papers an explanation of how this data could still be read on Hard Drives at that time, but also some advices to securely erase data. | + | Keywords: **JPEG XR**; **JPEG**; image formats; image compression; |
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| - | This paper is some kind of a warning to all those selling Hard Drives //via //eBay that once contained personal data. | + | |
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| - | Keywords: **recovery**; **data**; traces | + | |
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| ===== Uvod ===== | ===== Uvod ===== | ||