Method for calibrating camera by adopting two same circles
A camera calibration and camera technology, applied in the field of camera calibration and autonomous navigation systems
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[0047] In order to better understand the present invention, the specific embodiments of the present invention will be further described below with reference to the accompanying drawings. The flowchart of the specific steps is as follows: figure 1 As shown, the specific steps of applying this method for camera calibration are as follows:
[0048] Step 1: First, develop calibration objects. Draw two identical circles or place two identical circular objects arbitrarily on a flat object. Note that two identical circles cannot be tangent. Take these two same circles that are not tangent as the calibration object.
[0049] Step 2: Place the calibration object evenly within the field of view of the camera, use the camera to shoot the calibration object from three different angles, and obtain three images of the calibration object with two elliptical images to ensure clear imaging.
[0050] Step 3: Perform the following operations on each calibration object image:
[0051] Step 3.1: Use the...
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