Perhaps you should try some spelling variations:
"qoe estimation algorithms" » "qoe optimization algorithms", "qoe optimisation algorithm", "qoe approximation algorithms", "pose estimation algorithms", "_ estimation algorithms", "cover estimations algorithms"
"qoe optimizer algorithms" » "qoe optimized algorithms", "qoe optimized algorithm", "qoe optimization algorithms"
"qoe estimation algorithm" » "pose estimation algorithm", "_ estimation algorithm", "cover estimations algorithm"

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