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What is CTF? 


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Capture the flag (CTF) is a competitive game where players simulate the discovery and exploitation of vulnerabilities in information systems. CTF competitions involve knowledge-intensive labor and reflect a transfer of hacker practice and knowledge to the field of information security . CTFscope is a software component that calculates the contrast transfer function (CTF) in transmission electron microscopy (TEM) and helps understand its application. It includes effects of lens aberrations, objective aperture, and image drift, and can be used for teaching electron microscopy courses . A NERD DOGMA is an entry-level CTF combined with an escape room game, designed to attract new participants and strengthen their security skills . Continuous transitional focus (CTF) lenses are a type of multifocal lens for the treatment of presbyopia, providing a more natural experience for patients after cataract surgery .

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CTF stands for continuous transitional focus. It refers to a type of multifocal lens used in ophthalmic surgery that provides a continuous range of optical powers, resulting in a more natural visual experience for patients.
CTF stands for Capture the Flag. It is a competitive event that challenges the skills of security experts. The paper introduces A NERD DOGMA as an entry-level CTF combined with an escape room game.
The paper provides an explanation of the Contrast Transfer Function (CTF) in transmission electron microscopy (TEM).
CTF stands for Contrast Transfer Function. It is a function in transmission electron microscopy (TEM) that quantifies the extent to which phase changes of diffracted waves contribute to the TEM image, taking into account lens aberrations.
Book ChapterDOI
17 Feb 2023
CTF is a competitive game where players discover and exploit vulnerabilities in information systems, reflecting knowledge transfer between hacker practice and information security work.

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