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Amazon.com: Auto Keystone Correction Mini Portable Projector, 4K 200 ANSI Smart Projector with 5G WiFi BT 5.0 Movie Projector, 130 Inch Screen, 180 Degree Flip, Round Design Home & Outdoor Projector : Electronics
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PDF] A New Keystone Correction Algorithm Based on Edge-directed Interpolation of The Projector | Semantic Scholar
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