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What are the DCT DWT watermarking techniques Explain it from its roots?

Anonymous

∙ 10y ago

Updated: 4/28/2022

DWT has excellent frequency spread, spatial localization and multi-resolution characteristics. DCT offer compression while DWT offers scalability in watermarking. These techniques and properties are used in a combined DCT DWT watermarking technique.

Wiki User

∙ 10y ago

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