There are several ways to detect FOV angle in MATLAB for images. Here are a few methods:
FOV = 2atan(w/(2f)) * 180/pi
FOV = 2*atan((w-x)/f) * 180/pi
where w is the width of the image, x is the principal point horizontal coordinate, and f is the focal length.
Use the camera calibration toolbox: MATLAB's Camera Calibration Toolbox can be used to calculate the FOV angle. This toolbox provides a convenient way to calibrate the camera's intrinsic and extrinsic parameters, which can be used to calculate the FOV angle.
Use feature detection and calculation: Another way to calculate FOV angle in images is by detecting features in the image and calculating their positions and distances. Using feature detection algorithms like SIFT, SURF or ORB, we can detect features in an image and calculate their 3D positions. Then, the FOV angle can be calculated using the distance between the features and the camera position.
These are some of the methods to calculate FOV angle in MATLAB for images. The choice of method depends on the specific requirements of your application.
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Asked: 2021-04-16 11:00:00 +0000
Seen: 16 times
Last updated: Jan 30 '22
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