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CDN hyperparameters

Open toyot-li opened this issue 2 years ago • 1 comments
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@fcjian Hi, thanks for your great work.

I would like to know when using CDN, how to determine these hyperparameters for virtual depth. Could you please explain more?

toyot-li avatar Aug 04 '23 02:08 toyot-li

image

As shown in Figure 5, the final depth is sampled from the real depth, so the range of the real depth (i.e., [0, dr]) must contain the range of the final depth (i.e., [2, 54]m). In the paper, we set dv and fv to 54m and 800 pixels (i.e. less than the minimum focal length of the nuScenes cameras). Namely, fr > fv, which can deduce dr > dv = 54m. Therefore, the range of the real depth can contain the range of the final depth for all the nuScenes cameras.

fcjian avatar Aug 21 '23 12:08 fcjian