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Related Concept Videos

Blind Procedures02:07

Blind Procedures

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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures
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Blind and Secured Adaptive Digital Image Watermarking Approach for High Imperceptibility and Robustness.

Priyanka Singh1, Kilari Jyothsna Devi1, Hiren Kumar Thakkar2

  • 1Department of Computer Science and Engineering, SRM University, Amaravati 522508, India.

Entropy (Basel, Switzerland)
|December 24, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a novel blind digital image watermarking scheme for secure image transmission. The method enhances imperceptibility and robustness using a hybrid transform and adaptive encryption, outperforming existing techniques.

Keywords:
ABCGAIWT-SVDadaptive embeddingadaptive scaling factordigital image watermarkingfireflypseudo random key

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Image Processing

Background:

  • Digital image transmission necessitates high imperceptibility and security.
  • Increasing digital communication raises confidentiality concerns for image data.

Purpose of the Study:

  • To develop a novel blind digital image watermarking scheme.
  • To enhance security, imperceptibility, and robustness in digital image transmission.

Main Methods:

  • A block-based hybrid Integer Wavelet Transform (IWT) and Singular Value Decomposition (SVD) transform was implemented.
  • Watermark encryption used a pseudo-random key adaptively generated from cover and watermark images.
  • Nature-Inspired Optimization (NIO) techniques, including Genetic Algorithms (GA), Artificial Bee Colony (ABC), and Firefly Optimization, optimized the Initial Scaling Factor (ISF).

Main Results:

  • The proposed scheme demonstrated high imperceptibility and robustness.
  • Adaptive encryption and embedding in low entropy blocks improved security and imperceptibility.
  • Experimental results showed superior performance compared to existing state-of-the-art schemes.

Conclusions:

  • The novel blind digital image watermarking scheme offers enhanced security, imperceptibility, and robustness.
  • Adaptive key generation and NIO-based ISF optimization contribute to improved watermarking quality.
  • The scheme provides an effective solution for secured digital image transmission.