Search Results for author: Yifan Cai

Found 3 papers, 0 papers with code

Guidance with Spherical Gaussian Constraint for Conditional Diffusion

no code implementations5 Feb 2024 Lingxiao Yang, Shutong Ding, Yifan Cai, Jingyi Yu, Jingya Wang, Ye Shi

We theoretically show the existence of manifold deviation by establishing a certain lower bound for the estimation error of the loss guidance.

Denoising

Self-supervised Contrastive Video-Speech Representation Learning for Ultrasound

no code implementations14 Aug 2020 Jianbo Jiao, Yifan Cai, Mohammad Alsharid, Lior Drukker, Aris T. Papageorghiou, J. Alison Noble

For this case, we assume that there is a high correlation between the ultrasound video and the corresponding narrative speech audio of the sonographer.

Contrastive Learning Gaze Prediction +1

Ultrasound Image Representation Learning by Modeling Sonographer Visual Attention

no code implementations7 Mar 2019 Richard Droste, Yifan Cai, Harshita Sharma, Pierre Chatelain, Lior Drukker, Aris T. Papageorghiou, J. Alison Noble

Secondly, we train a simple softmax regression on the feature activations of each CNN layer in order to evaluate the representations independently of transfer learning hyper-parameters.

regression Representation Learning +2

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