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fix: raise ValueError when use_fov_head=False and f_px not provided #105

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fix: raise ValueError when use_fov_head=False and f_px not provided #105

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5 changes: 5 additions & 0 deletions src/depth_pro/depth_pro.py
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Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,11 @@ def infer(

canonical_inverse_depth, fov_deg = self.forward(x)
if f_px is None:
if fov_deg is None:
raise ValueError(
"f_px must be provided when use_fov_head=False, "
"as the model cannot estimate focal length without the FOV head."
)
f_px = 0.5 * W / torch.tan(0.5 * torch.deg2rad(fov_deg.to(torch.float)))

inverse_depth = canonical_inverse_depth * (W / f_px)
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