Search Results for author: Richard Tsai

Found 4 papers, 0 papers with code

Efficient Numerical Wave Propagation Enhanced By An End-to-End Deep Learning Model

no code implementations4 Feb 2024 Luis Kaiser, Richard Tsai, Christian Klingenberg

Recent advances in wave modeling use sufficiently accurate fine solver outputs to train a neural network that enhances the accuracy of a fast but inaccurate coarse solver.

Linear Regression on Manifold Structured Data: the Impact of Extrinsic Geometry on Solutions

no code implementations5 Jul 2023 Liangchen Liu, Juncai He, Richard Tsai

We assume that the data manifold is smooth and is embedded in a Euclidean space, and our objective is to reveal the impact of the data manifold's extrinsic geometry on the regression.

regression

Side Effects of Learning from Low-dimensional Data Embedded in a Euclidean Space

no code implementations1 Mar 2022 Juncai He, Richard Tsai, Rachel Ward

In this setting, a typical neural network defines a function that takes a finite number of vectors in the embedding space as input.

An Elastic Image Registration Approach for Wireless Capsule Endoscope Localization

no code implementations23 Apr 2015 Isabel N. Figueiredo, Carlos Leal, Luís Pinto, Pedro N. Figueiredo, Richard Tsai

The results of the experimental tests with real WCE video frames show the good performance of the proposed approach, when elastic deformations of the small intestine are involved in successive frames, and its superiority with respect to a multiscale affine image registration, which accounts for rigid-like deformations only and discards elastic deformations.

Affine Image Registration Image Registration

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