Visualization using Simulation 3d Camera

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Rajini 2024-6-10

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https://ww2.mathworks.cn/matlabcentral/answers/2127056-visualization-using-simulation-3d-camera

回答： Nishan Nekoo 2024-7-3

Hi Team ,

when i am trying to use default camera pixel resolution settings and focal length alone updated (approx 90degrees H) along with radial distortion coefficients . i am getting the stripes at edge of image ,same excercise when i carried out with less pixel resolution i am not getting the stripes, please do let me know why the change in FOV especially in case of broader FOV this is happening.

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Rajini 2024-6-10

Please find the attached images for reference

Rajini 2024-6-11

This is the other image with 130deg FOV & applied distortion

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Answer 1

Nishan Nekoo 2024-7-3

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https://ww2.mathworks.cn/matlabcentral/answers/2127056-visualization-using-simulation-3d-camera#answer_1480666

The Simulation 3D Camera is best used for cameras with a narrow field of view (<= 60 degrees), and use of the Simulation 3D Fisheye Camera is recommend for larger angles. MathWorks has a calibration procedure for fisheye images. It may be most useful to calibrate the actual camera hardware this way; the mapping coefficients in a fisheyeIntrinsics object should be the same coefficients used to distort the image in the Simulation 3D Fisheye Camera.

This is a known limitation with how Unreal Engine samples the 3D environment into an image in a performant way. This may be improved on in a future product release.