发明名称 |
Row guidance parameterization with hough transform |
摘要 |
Systems and techniques for row guidance parameterization with Hough transform are described herein. An electronic representation of a field (ERF) can be received. The ERF can include a set of feature sets including one of a set of crop row features or a set of furrow features. A first parameter space can be produced by applying a slope-intercept Hough transform (SLIHT) to members of a feature set. Peaks in the first parameter space can be identified. A second parameter space can be produced by application of the SLIHT to the peaks. A vanishing point can be calculated based on a vanishing point peak in the second parameter space. A track-angle error can be calculated from the vanishing point. |
申请公布号 |
US9374940(B2) |
申请公布日期 |
2016.06.28 |
申请号 |
US201514836647 |
申请日期 |
2015.08.26 |
申请人 |
Raven Industries, Inc. |
发明人 |
Nelson, Jr. Robert Leonard |
分类号 |
A01B69/00;G05D1/00;G06T7/00;A01B69/04;G05D1/02 |
主分类号 |
A01B69/00 |
代理机构 |
Schwegman Lundberg & Woessner, P.A. |
代理人 |
Schwegman Lundberg & Woessner, P.A. |
主权项 |
1. A non-transitory machine-readable medium including instructions that, when executed by a machine, cause the machine to perform operations comprising:
receiving an image with a set of features; detecting a plurality of lines corresponding to the set of features; calculating a vanishing point from the plurality of lines; projecting a projected line from a point on the image representing a vehicle to the vanishing point; calculating an angle error between the projected line and a vehicle direction line from the point on the image, wherein the vehicle direction line corresponds to a heading of the vehicle; and providing the angle error to a steering module of a vehicle to which the image capture device is mounted. |
地址 |
Sioux Falls SD US |