Chen Liu
Chen Liu
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DiffKillR: Killing and Recreating Diffeomorphisms for Cell Annotation in Dense Microscopy Images
We transformed label-efficient annotation into the combination of archetype matching and image registration tasks. We proposed two complementary networks: one invariant and the other sensitive to diffeomorphisms.
Chen Liu
,
Danqi Liao
,
Alejandro Parada-Mayorga
,
Alejandro Ribeiro
,
Marcello DiStasio
,
Smita Krishnaswamy
ImageFlowNet: Forecasting Multiscale Image-Level Trajectories of Disease Progression with Irregularly-Sampled Longitudinal Medical Images
(Spatial-Temporal Modeling)
We predict disease progression trajactories in the image space with position-parameterized neural differential equations in multiscale joint patient representations.
Chen Liu
,
Ke Xu
,
Liangbo L. Shen
,
Guillaume Huguet
,
Zilong Wang
,
Alexander Tong
,
Danilo Bzdok
,
Jay Stewart
,
Jay C. Wang
,
Lucian V. Del Priore
,
Smita Krishnaswamy
Adversarial Focal Loss: Asking Your Discriminator for Hard Examples
A generalizable adaptation of Focal Loss to keypoint detection leveraging difficulty scores from a discriminator.
Chen Liu
,
Xiaomeng Dong
,
Michael Potter
,
Hsi-Ming Chang
,
Ravi Soni
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