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Related Experiment Video

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Author Spotlight: Enhancing Cryo-Electron Microscopy by Automated Data Collection and Analysis Techniques
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A secure online image trading system for untrusted cloud environments.

Khairul Munadi1, Fitri Arnia1, Mohd Syaryadhi1

  • 1Department of Electrical Engineering, Syiah Kuala University, Jalan Tgk. Syech Abdurrauf No. 7, 23111 Banda Aceh, Indonesia.

Springerplus
|June 20, 2015
PubMed
Summary

This study introduces a secure image trading framework using Discrete Cosine Transform (DCT) and moment invariants. It protects images on cloud servers, allowing secure browsing and retrieval for online markets.

Keywords:
DCTImage matchingImage scramblingImage tradingJPEGSecure storage

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Image Processing

Background:

  • Conventional image trading systems lack security, making images vulnerable on servers.
  • Untrusted providers and intruders pose risks to unprotected image data.
  • Secure storage and retrieval are crucial for commercial online image transactions.

Purpose of the Study:

  • To propose a conceptual framework for secure image trading over the internet.
  • To prevent unauthorized access to original image content by server providers and users.
  • To enable secure commercial transactions of digital images.

Main Methods:

  • Exploitation of Discrete Cosine Transform (DCT) coefficients for visual protection.
  • Utilization of moment invariants for image feature extraction and matching.
  • Generation of visually protected images and publicly accessible thumbnails.

Main Results:

  • A framework enabling secure storage and retrieval of visually protected images.
  • Matching mechanism using DCT's DC component and moment invariants.
  • Images remain protected until a decryption key is granted.

Conclusions:

  • The proposed framework enhances security in online image trading.
  • It safeguards original images from unauthorized access and misuse.
  • Facilitates secure commercial transactions using cloud-based image repositories.