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Primary user selection for head tracking

專利號
US10027883B1
公開日期
2018-07-17
申請人
Amazon Technologies, Inc.(US NV Reno)
發(fā)明人
Cheng-Hao Kuo; Jim Oommen Thomas; Tianyang Ma; Stephen Vincent Mangiat; Sisil Sanjeev Mehta; Ambrish Tyagi; Amit Kumar Agrawal; Kah Kuen Fu; Sharadh Ramaswamy
IPC分類
G06K9/00; G06K9/46; G06K9/66; H04N5/225; H04N5/232
技術(shù)領(lǐng)域
face,image,in,tracking,user,bounding,or,device,algorithm,can
地域: NV NV Reno

摘要

Various embodiments enable a primary user to be identified and tracked using stereo association and multiple tracking algorithms. For example, a face detection algorithm can be run on each image captured by a respective camera independently. Stereo association can be performed to match faces between cameras. If the faces are matched and a primary user is determined, a face pair is created and used as the first data point in memory for initializing object tracking. Further, features of a user's face can be extracted and the change in position of these features between images can determine what tracking method will be used for that particular frame.

說明書

FIG. 1B illustrates an example set of images of a user captured by a first camera and a second camera of a computing device in accordance with at least one embodiment;

FIG. 2 illustrates an example process corresponding to the various modes associated with object detection and tracking in accordance with various embodiments;

FIG. 3 illustrates an example wherein a face of the user is identified in image information captured using two of the multiple cameras of the computing device in accordance with at least one embodiment;

FIG. 4 illustrates an example wherein a user's face is identified in an image from a second image capturing element using image data of the face captured using a first image capturing element in accordance with at least one embodiment;

FIG. 5A illustrates an example tracking initialization process for identifying a missing face and determining a primary user in accordance with various embodiments;

FIG. 5B illustrates an example process for associating user corresponding faces between cameras in accordance with various embodiments;

FIG. 5C illustrates an example process for recovering an undetected face in an image in accordance with various embodiments;

FIG. 6 illustrates an example process for determining a primary user in accordance with various embodiments;

權(quán)利要求

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