A Demo for the Adaptive Color Reduction Technique

 

Original Image

Image information

525X372

72 dpi

45944 unique colors

RGB Histograms

Case 1

4 colors

tree structure:

4

Case 2

9 colors

tree structure:

3X3

no split and merging conditions

Case 3

9 colors

tree structure:

3X3X3X3X3 

=243 nodes

using split and 

merging conditions (50%)

Case 4

 

16 colors

tree structure:

4X4=16 nodes

using the emboss mask: [-101;-111;-101]

 

and without split and 

merging conditions

 

 

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