The high frequencies show the low-level detail in the painting, including the contents of each block. The low-level frequencies
accentuate the presence of Lincoln.
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Image 2 - Mona Lisa
The high frequencies show the detail in Lisa's face. The low-level frequencies
remove detail from Lisa's face, and show the textures of the painting better.
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Image 3 - Lincoln/Washington Hybrid from Part 1.2
The high frequencies accentuate Washington, while the lower frequences accentuate Lincoln.
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