The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 16, 2024

Filed:

Feb. 26, 2021
Applicant:

Nvidia Corporation, Santa Clara, CA (US);

Inventors:

Dong Zhang, Clarksville, TN (US);

Sangmin Oh, San Jose, CA (US);

Junghyun Kwon, Santa Clara, CA (US);

Baris Evrim Demiroz, San Jose, CA (US);

Tae Eun Choe, Belmont, CA (US);

Minwoo Park, Saratoga, CA (US);

Chethan Ningaraju, Munich, DE;

Hao Tsui, Munich, DE;

Eric Viscito, Shelburne, VT (US);

Jagadeesh Sankaran, Dublin, CA (US);

Yongqing Liang, San Jose, CA (US);

Assignee:

NVIDIA Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); B60W 60/00 (2020.01); G06F 18/214 (2023.01); G06N 3/08 (2023.01); G06T 7/246 (2017.01); G06V 10/25 (2022.01); G06V 10/75 (2022.01); G06V 20/58 (2022.01); G06V 20/56 (2022.01);
U.S. Cl.
CPC ...
G06T 7/246 (2017.01); B60W 60/001 (2020.02); G06F 18/2148 (2023.01); G06N 3/08 (2013.01); G06V 10/25 (2022.01); G06V 10/751 (2022.01); G06V 20/58 (2022.01); G06V 20/56 (2022.01);
Abstract

A geometric approach may be used to detect objects on a road surface. A set of points within a region of interest between a first frame and a second frame are captured and tracked to determine a difference in location between the set of points in two frames. The first frame may be aligned with the second frame and the first pixel values of the first frame may be compared with the second pixel values of the second frame to generate a disparity image including third pixels. One or more subsets of the third pixels that have a value above a first threshold may be combined, and the third pixels may be scored and associated with disparity values for each pixel of the one or more subsets of the third pixels. A bounding shape may be generated based on the scoring.


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