New Image Encryption and Compression Method Based on Independent Component Analysis.

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New Image Encryption and New Image Encryption and Compression Method Based Compression Method Based on Independent Component on Independent Component Analysis Analysis

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Transcript of New Image Encryption and Compression Method Based on Independent Component Analysis.

Page 1: New Image Encryption and Compression Method Based on Independent Component Analysis.

New Image Encryption and New Image Encryption and Compression Method Based on Compression Method Based on

Independent Component AnalysisIndependent Component Analysis

Page 2: New Image Encryption and Compression Method Based on Independent Component Analysis.

INTRODUCTIONINTRODUCTION

propose a method combining encryption and compression based on Independent Component Analysis (ICA) and Discrete Cosine Transform (DCT)

Page 3: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

Page 4: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

Page 5: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

With the property of the DCT transform which regroup the important information in the upper-left corner

Page 6: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

Page 7: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

Page 8: New Image Encryption and Compression Method Based on Independent Component Analysis.

APPROACHAPPROACH

Demixing: FastICA is used Inverse rotation and inverse discrete cosin

e transform: use the rotation “key” to reconstruct

the original DCT components IDCT

Page 9: New Image Encryption and Compression Method Based on Independent Component Analysis.

RESULTRESULT


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