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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

At block 708 the computing device can then generate a prediction model, for example, by training the model using the output feature vector(s). In certain embodiments, the prediction model is trained using a neural network, such as a convolutional neural network as described herein. In other aspects, the prediction model may be trained with batches of the output feature vector(s), where batches of the output feature vector(s) correspond with subset(s) of 3D images taken from the set of the one or more 3D images. Thus, for example, a set of 67,000 images may be batched into 1000 images subsets used to trained the model.

In other aspects, the 3D images of the prediction model of method 700 may relate to driver behaviors as described herein. After the model method 700 is generated, it may be used to classify 3D images. For example, a second set of 3D images may be input into the predictive model and used to determine, for each 3D image of the second set, a driver behavior classification and a corresponding probability value that indicates the probability that the 3D image is associated with the driver behavior classification. In some aspects, the classification with the highest probability value determines the overall image classification for the 3D image. In other aspects, multiple classifications and corresponding values are maintained for each of the 3D images.

In some embodiments, for some of the 3D images in the second set, the driver behavior classification and the probability value can be transmitted to a different computing device, such as remote computing device or any other device described for FIGS. 1 and 2, for further processing, analytics, or review.

2D Image and 3D Image Ensemble Prediction Models

權(quán)利要求

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