Random masks

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  • As technology progresses and as more and more personal data is digitized, there is even more of an emphasis required on data security today than there has ever been. Protecting this data in a safe and secure way which does not impede the access of an authorized authority is an immensely difficult and very interesting research problem. Many attempts have been made to solve this problem within the cryptographic community. In this book, we present one of these data security methods known as visual cryptography (VC).

    pdf144p tuanloc_do 03-12-2012 36 5   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài:Influence of atorvastatin on coronary calcifications and myocardial perfusion defects in systemic lupus erythematosus patients: a prospective, randomized, double-masked, placebo-controlled study...

    pdf9p thulanh16 22-10-2011 24 3   Download

  • psdes(&lword,&irword); itemp=jflone | (jflmsk & irword); ++(*idum); return (*(float *)&itemp)-1.0; } “Pseudo-DES” encode the words. Mask to a floating number between 1 and 2. Subtraction moves range to 0. to 1.

    pdf6p babyuni 17-08-2010 38 2   Download

  • The Brush Strokes effect applies a rough painted look to an image. You can also use this effect to achieve a pointillist style by setting the length of the brush strokes to 0 and increasing the stroke density. Although you specify the direction of strokes, they are scattered randomly by a small amount to give a more natural effect. This effect alters the alpha channel, as well as the color channels; if you have masked out a portion of the image, the brush strokes “paint” over the edges of the mask....

    pdf29p emilynguyen 07-08-2009 260 116   Download

  • RAM= Random Access Memory (bộ nhớ truy cập ngẫu nhiên) ROM= Read Only Memory M= Mask Programmed (được lập trình bằng che mặt nạ) P = Programmable (lập trình được, khả lập trình) EP = Erasable and Programmable EEP = Electrically Erasable and Programmable (xóa và lập trình bằng điện) PLD = Programmable Logic Device PLA = Programmable Logic Array (mảng logic lập trình được) PAL = Programmable Array Logic (logic mảng lập trình được) LCA = Logic Cell Array (Mảng tế bào logic)...

    pdf27p vanmanh1008 24-06-2013 55 11   Download


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