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Systems and methods for 3D image distification

專利號(hào)
US11176414B1
公開日期
2021-11-16
申請(qǐng)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

Once the 2D and 3D images have been standardized, the ensemble model proceeds to predict and classify the 2D and 3D images obtained in blocks 804 and 814, respectively. In various embodiments, the ensemble model analyzes predictions using separate 2D and 3D prediction models. For example, in some embodiments, various 2D and 3D models may have been trained and stored on a computing device (such as those described for FIGS. 1 and 2). In other embodiments, the 2D and 3D models may be trained at blocks 808 and 818 as part of method 800. The 2D and 3D models may be based on, for example, neural network models, such as convolutional neural network, that are trained using training image data sets, e.g., image data sets depicting driver behavior, as described herein. Other models based on different algorithms are also contemplated for the predictive models described herein, for example, a model based on a Random Forest algorithm, that uses a multitude of decision trees and that can output a prediction based on the computation of using the individual trees, such as averaging the tree values.

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