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Why is OpenVLA's output always the same? #32

@HongsenLei

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@HongsenLei

Hi @DelinQu , thanks for your great work.

I have problem here:
For any input in the widowx_bridge evaluation, OpenVLA consistently outputs the following action:
raw actions [[-0.00020879 -0.00042412 0.00703386 0.00049971 -0.00747924 -0.00167851 0. ]]

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For any input in the google_robot evaluation, OpenVLA consistently outputs the following action:
raw actions [[-0.0231442 0.00059183 -0.00658308 0.11873356 -0.03328728 0.0057661 0. ]]

Image

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