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Selectively Embedding in Coefficients (SEC) Example - Peppers

Zero Threshold SEC scheme image examples

Original Image (below)

  

Embedded Image (design QF 75) with 33,085 bits hidden (below)
 

 

Embedded Image (design QF 50) with 19,477 bits hidden (below)

  

Embedded Image (design QF 25) with 11,073 bits hidden (below)
 

 

Higher Threshold SEC scheme image examples

Original Image (below)

  

Unity threshold SEC embedded image with 5,402 bits hidden (below)
 

 

'2'-threshold SEC embedded image with 3,007 bits hidden (below)

  

'3'-threshold SEC embedded image with 2,048 bits hidden (below)