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Questions and Answers
What is the process of estimating the parameters of a pinhole camera model called?
What is the process of estimating the parameters of a pinhole camera model called?
- Exterior orientation
- Camera projection
- Camera resectioning (correct)
- Geometric camera calibration
Which parameters define the camera pose (position and orientation)?
Which parameters define the camera pose (position and orientation)?
- Camera projection matrix
- Pixel size
- Intrinsic parameters
- Extrinsic parameters (correct)
What does the camera matrix represent?
What does the camera matrix represent?
- Pixel size
- Image origin
- Extrinsic parameters
- Camera parameters (correct)
What is often required in classic camera calibration but not in camera auto-calibration?
What is often required in classic camera calibration but not in camera auto-calibration?
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In stereo vision, what is used to calculate the 3D world coordinates of a point viewed by both cameras?
In stereo vision, what is used to calculate the 3D world coordinates of a point viewed by both cameras?
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Study Notes
Camera Model Parameters Estimation
- The process of estimating the parameters of a pinhole camera model is called camera calibration.
Camera Pose Parameters
- The parameters that define the camera pose (position and orientation) are the rotation matrix R and translation vector t.
Camera Matrix
- The camera matrix represents the intrinsic parameters of the camera, including the focal length, principal point, and distortion coefficients.
Classic Camera Calibration vs. Auto-Calibration
- Classic camera calibration often requires a known calibration pattern (e.g., a chessboard), but camera auto-calibration does not require this.
Stereo Vision and 3D World Coordinates
- In stereo vision, the disparity between the image points in the two cameras is used to calculate the 3D world coordinates of a point viewed by both cameras.
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