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facebookresearch / InterWild

Official PyTorch implementation of "Bringing Inputs to Shared Domains for 3D Interacting Hands Recovery in the Wild", CVPR 2023
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how to calculate Camera_FOV by focal and princpt in dataset?? #32

Open MouseChannel opened 4 months ago

MouseChannel commented 4 months ago

thanks

mks0601 commented 4 months ago

https://www.edmundoptics.com/knowledge-center/application-notes/imaging/understanding-focal-length-and-field-of-view/

MouseChannel commented 4 months ago

https://www.edmundoptics.com/knowledge-center/application-notes/imaging/understanding-focal-length-and-field-of-view/

so fov_x = 2 * np.arctan(667 / (2 * camera_param['focal'][1])) where the 667 means the image width. Is that right? and princpt is not neccessary in calculate FOV

MouseChannel commented 4 months ago

https://www.edmundoptics.com/knowledge-center/application-notes/imaging/understanding-focal-length-and-field-of-view/

and the result of fov is about 0.25, there must be something I did wrong

MouseChannel commented 4 months ago

https://www.edmundoptics.com/knowledge-center/application-notes/imaging/understanding-focal-length-and-field-of-view/

I think image size is not the same thing as Camera_Sensor_size and where I can get the Sensor_Size?