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- ## Multi-Mask PAD Attacks: Cardboard, Textile Mesh, Silicone
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  Dataset for PAD/liveness detection with three classes of presentation attacks: cardboard masks with cut-out eyes; elastic textile mesh masks with full-color face printing; full-size latex 3D masks. Mask types were selected based on real-world attack scenarios
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  different actors, a large number of individual masks, various lighting (indoor/outdoor, natural/artificial light), backgrounds and locations, shooting angles and distances, different cameras/lenses, accessories (glasses/headwear/beards). This range reduces retraining on specific mask textures and increases generalizability in passive liveness detection and attack type recognition
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  # Types of attacks:
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- - Cardboard — thick cardboard with cut-out eyes
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  Flat face print; eyes cut out to allow for real eye movement. Flat image with hard edges around the outline
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- - Textile — thin elastic mesh mask with face print
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  Nylon/elastic fabric mask; full-color face print, fabric fits snugly around the head and partially replicates the 3D shape
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- - Latex — volume 3D latex masks
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  Full-size realistic masks with pronounced “skin” texture. Sometimes they have cut-out eyes and are complemented by external attributes
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  # Why is this combination of attacks optimal?
 
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+ ## Liveness Detection Dataset in the Wild with High Variety
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  Dataset for PAD/liveness detection with three classes of presentation attacks: cardboard masks with cut-out eyes; elastic textile mesh masks with full-color face printing; full-size latex 3D masks. Mask types were selected based on real-world attack scenarios
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  different actors, a large number of individual masks, various lighting (indoor/outdoor, natural/artificial light), backgrounds and locations, shooting angles and distances, different cameras/lenses, accessories (glasses/headwear/beards). This range reduces retraining on specific mask textures and increases generalizability in passive liveness detection and attack type recognition
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  # Types of attacks:
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+ - # Cardboard — thick cardboard with cut-out eyes
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  Flat face print; eyes cut out to allow for real eye movement. Flat image with hard edges around the outline
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+ - # Textile — thin elastic mesh mask with face print
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  Nylon/elastic fabric mask; full-color face print, fabric fits snugly around the head and partially replicates the 3D shape
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+ - # Latex — volume 3D latex masks
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  Full-size realistic masks with pronounced “skin” texture. Sometimes they have cut-out eyes and are complemented by external attributes
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  # Why is this combination of attacks optimal?