Perhaps you should try some spelling variations:
"modified via optimisation algorithm" » "modified via optimization algorithms", "modified via estimation algorithm", "modified via estimation algorithms", "modified _ optimisation algorithm", "modified _ optimization algorithm", "modified qoe optimization algorithm", "modified bi1 optimisation algorithm", "modified adam optimisation algorithm", "modified near optimisation algorithm"
"modified dfdaptive quantization algorithm" » "modified adaptive quantization algorithm", "modified dfdaptive estimation algorithm"

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