Related Concepts
Definition
Active calibration is a process that determines the geometric parameters of a camera (or cameras) using the camera’s controllable movements.
Background
Camera calibration aims to establish the best possible correspondence between the used camera model and the realized image acquisition with a given camera [12], i.e., accurately recover a camera’s geometric parameters, such as focal length and image center/ principal point, from the captured images. The classical calibration techniques (e.g., [10, 16]) require predefined patterns and static cameras and often involve solving complicated equations. Taking advantage of a camera’s controllable movements (e.g., pan, tilt, and roll), active calibration techniques can automatically calibrate the camera.
Theory
The pinhole camera model is one of the most commonly used models, as...
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Shen, R., Gou, G., Cheng, I., Basu, A. (2014). Active Calibration. In: Ikeuchi, K. (eds) Computer Vision. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-31439-6_283
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DOI: https://doi.org/10.1007/978-0-387-31439-6_283
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