Where can I get surface normal images of blender dataset. about nmf HOT 8 OPEN

I believe these need to be mapped from [-1, 1] to [0, 1] by dividing by 2 and adding 0.5.

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The predicted normal image is already mapped from [-1, 1] to [0, 1].

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Check the ground truth.

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The ground truth is a png file, so it ranges from 0 to 255. Even if I change the range from [0, 255] to [-1, 1], it does not work. Am I missing something? Thank you for your reply!

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+) From this line, it means that the suffix of the normal image file is "_normal.png". However the suffix of the normal image from the official github page is "_normal_0000.png".

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Did you get this working?

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No, it doesn't work... The GT normal image that I have seems to be different from the one you have.

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This can happen if the normals are clipped before being exported, so you don't have the correct range on the normals. In this case, the ground truth normals have the wrong range.

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