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The 8-Point Algorithm as an Inductive Bias for Relative Pose Prediction by ViTs

2022-08-18 · Chris Rockwell, Justin Johnson, David F. Fouhey

We present a simple baseline for directly estimating the relative pose (rotation and translation, including scale) between two images. Deep methods have recently shown strong progress but often require complex or multi-stage architectures. We show that a handful of modifications can be applied to a Vision Transformer (ViT) to bring its computations close to the Eight-Point Algorithm. This inductive bias enables a simple method to be competitive in multiple settings, often substantially improving over the state of the art with strong performance gains in limited data regimes.

📄 PDF Abstract BibTeX arXiv:2208.08988

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Inductive BiasPose PredictionTranslation

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Linear Layer A Linear Layer is a projection $\mathbf{XW + b}$.
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Dropout Dropout is a regularization technique for neural networks that drops a unit (along with connections) at training time with a specified probability $p$ (a common value is…
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