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The demand for ultra-high-definition television (UHDTV) content is increasing rapidly every year owing to the prevalence of 4K TV sets and the launch of 4K/8K broadcasting services. In UHDTV content production, the difficulty of focusing high-resolution cameras has become one of the most critical issues. We previously proposed a focus-aid signal for use in 8K UHDTV cameras, which facilitated precise...
In this paper, we propose a new lattice-based adaptive notch filtering algorithm which has faster convergence characteristics than Regalia's Simplified Lattice Algorithm (SLA). Our algorithm makes use of the weighted sum of SLA and the Lattice Gradient Algorithm. We prove that the mean update term of our algorithm is larger than that of SLA when the input signal consists of a single sinusoid and a...
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