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Related Concept Videos

Zones of Protection01:16

Zones of Protection

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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
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This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
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Self-esteem, a central component of psychological well-being, is actively maintained through various cognitive and behavioral strategies. Individuals employ specific mechanisms to preserve a positive self-concept and mitigate threats to their self-worth, particularly in contexts involving social evaluation or personal feedback. Four primary techniques are commonly used to sustain self-esteem.Manipulating AppraisalsOne prominent strategy involves manipulating appraisals from others. Individuals...
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Radial System Protection01:23

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Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
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Line Protection with Impedance Relays01:27

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Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
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Personal Protective Equipment01:20

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Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:
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Security protection using two different image shadows with authentication.

Yan Jun Liu1, Chin Chen Chang1, Peng Cheng Huang1,2

  • 1Department of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan.

Mathematical Biosciences and Engineering : MBE
|May 30, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a novel security method using two distinct image shadows for enhanced authentication. This approach offers robust protection against unauthorized access in digital systems.

Keywords:
cheating detectionmeaningful shadowsecret image sharing (SIS)security protectionturtle shell matrix

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Forensics

Background:

  • Traditional authentication methods face evolving security threats.
  • Image-based security solutions require advanced techniques for robust protection.

Purpose of the Study:

  • To develop and evaluate a novel security protection system utilizing dual image shadows.
  • To enhance authentication mechanisms through a unique image shadow-based approach.

Main Methods:

  • Implementing a security system that generates and analyzes two distinct image shadows.
  • Applying cryptographic principles for secure shadow generation and comparison.
  • Integrating the dual shadow authentication into a digital security framework.

Main Results:

  • Demonstrated superior authentication accuracy compared to single-image methods.
  • Showcased resilience against common image manipulation and spoofing attacks.
  • Achieved high security protection levels with minimal computational overhead.

Conclusions:

  • The proposed dual image shadow authentication system provides a powerful and effective security solution.
  • This method offers a promising advancement in secure digital authentication and data protection.