A ROBUST DIGITAL IMAGE WATERMARKING ALGORITHM USING DNA SEQUENCES

A ROBUST DIGITAL IMAGE WATERMARKING ALGORITHM USING DNA SEQUENCES

Digital watermarking technique emerged as a tool for protecting the multimedia data from Detergent copyright infringement.In digital watermarking an imperceptible signal is embedded into the host image, which uniquely identifies the ownership.In the proposed algorithms, DNA sequence is used as a digital watermark, as the DNA sequences are unique an

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The Angular Momentum Unloading of the Asymmetric GEO Satellite by Using Electric Propulsion with a Mechanical Arm

A high-precision attitude control satellite uses an angular momentum exchange device such as a flywheel or a control moment gyro as the actuator for attitude stability control.Once the accumulation of angular momentum exceeds the upper limit of the angular momentum exchange device, the satellite will lose its attitude control ability.Therefore, it

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