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Systems and methods for 3D image distification

專利號
US11176414B1
公開日期
2021-11-16
申請人
STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY(US IL Bloomington)
發(fā)明人
Elizabeth Flowers; Puneit Dua; Eric Balota; Shanna L. Phillips
IPC分類
G06K9/62; G06K9/42; G06K9/00
技術(shù)領(lǐng)域
3d,2d,image,images,or,computing,matrix,in,2d3d,model
地域: IL IL Bloomington

摘要

Systems and methods are described for Distification of 3D imagery. A computing device may obtain a three dimensional (3D) image that includes rules defining a 3D point cloud used to generate a two dimensional (2D) image matrix. The 2D image matrix may include 2D matrix point(s) mapped to the 3D image, where each 2D matrix point can be associated with a horizontal coordinate and a vertical coordinate. The computing device can generate an output feature vector that includes, for at least one of the 2D matrix points, the horizontal coordinate and the vertical coordinate of the 2D matrix point, and a depth coordinate of a 3D point in the 3D point cloud of the 3D image. The 3D point can have a nearest horizontal and vertical coordinate pair that corresponds to the horizontal and vertical coordinates of the at least one 2D matrix point.

說明書

In some embodiments, multiple points may be analyzed together by a prediction model to determine driver behavior. For example, the forehead (654) facing in the direction of the mobile phone (662), where the mobile phone (662) is located in close proximity to the driver's hand (660) could signal the identification of the behavior of use of a mobile phone, as described above.

In various embodiments, a prediction model could return as output an indication or classification of one or more driver behaviors that can include, for example, “calling,” (using the right hand or the left hand), “texting” (using the right hand or left hand), “eating,” “drinking,” “adjusting the radio,” or “reaching for the backseat.” A driver behavior of “normal” or “safe” may also be identified, for example, if the driver has both hands on the steering wheel, one hand on the steering wheel and another on a stick-shift, etc. It is noted that, other driver behaviors, actions or features are contemplated by the present disclosure and are not limited to the above examples.

In some embodiments, the prediction models, such as a prediction model used to classify driver behaviors associated with image 650, can be generated and trained using machine learning techniques. In other embodiments, the prediction models may be generated from regression analysis used to create single or multivariate prediction models.

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