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Selectively Embedding in Coefficients (SEC) Example - Man

Zero Threshold SEC scheme image examples

Original Image (below)

  

Embedded Image (design QF 75) with 46,221 bits hidden (below)
 

 

Embedded Image (design QF 50) with 29,399 bits hidden (below)

  

Embedded Image (design QF 25) with 16,857 bits hidden (below)
 

 

Higher Threshold SEC scheme image examples

Original Image (below)

  

Unity threshold SEC embedded image with 7,211 bits hidden (below)
 

 

'2'-threshold SEC embedded image with 3,352 bits hidden (below)

  

'3'-threshold SEC embedded image with 2,103 bits hidden (below)