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公开(公告)号：US20220172511A1
公开(公告)日：2022-06-02
申请号：US17437395
申请日：2019-10-10
Applicant: Google LLC
Inventor： Zhijun He , Wen Yu Chien , Po-Jen Chang , Xu Han , Adarsh Prakash Murthy Kowdle , Jae Min Purvis , Lu Gao , Gopal Parupudi , Clayton Merrill Kimber
Abstract: This disclosure describes systems and techniques for synchronizing cameras and tagging images for face authentication. For face authentication by a facial recognition model, a dual infrared camera may generate an image stream by alternating between capturing a “flood image” and a “dot image” and tagging each image with metadata that indicates whether the image is a flood or a dot image. Accurately tagging images can be difficult due to dropped frames and errors in metadata tags. The disclosed systems and techniques provide for the improved synchronization of cameras and tagging of images to promote accurate facial recognition.
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公开(公告)号：US12046072B2
公开(公告)日：2024-07-23
申请号：US17437395
申请日：2019-10-10
Applicant: Google LLC
Inventor： Zhijun He , Wen Yu Chien , Po-Jen Chang , Xu Han , Adarsh Prakash Murthy Kowdle , Jae Min Purvis , Lu Gao , Gopal Parupudi , Clayton Merrill Kimber
CPC classification number: G06V40/166 , G06V10/10 , G06V40/16 , G06V40/172 , G06V40/179 , H04N5/04 , H04N23/56 , H04N23/66
Abstract: This disclosure describes systems and techniques for synchronizing cameras and tagging images for face authentication. For face authentication by a facial recognition model, a dual infrared camera may generate an image stream by alternating between capturing a “flood image” and a “dot image” and tagging each image with metadata that indicates whether the image is a flood or a dot image. Accurately tagging images can be difficult due to dropped frames and errors in metadata tags. The disclosed systems and techniques provide for the improved synchronization of cameras and tagging of images to promote accurate facial recognition.
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