US Patent Issued to HITACHI ASTEMO on Feb. 3 for "Camera calibration method, and stereo camera device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,880, issued on Feb. 3, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).

"Camera calibration method, and stereo camera device" was invented by Kazuyoshi Yamazaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A camera calibration method for calibrating a camera that captures an image through a windshield includes acquiring a calibration image associated with a calibration object by imaging by the camera. A calibration object has a linear portion extending in one direction intersecting an optical axis of the camera through the windshield, and the calibration object is a wire or a bar. The method further includes extracting a first linea...