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A fixed frame-and-zoom check compares a 3-step temporal pipeline with optical flow and fusion to a single-pass 4x upscale for sharper drone time-lapse footage. Independent technical note mirroring the canonical version: https://ai-videoupscale.com/blog/drone-time-lapse-upscaling-3-step-temporal-vs-single-pass-4x.php Sources consulted: https://www.bluusun.com/
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Marcus Vance (2026) studied this question.
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