Search Results for author: Jiajin Zhang

Found 8 papers, 7 papers with code

Spectral Adversarial MixUp for Few-Shot Unsupervised Domain Adaptation

1 code implementation3 Sep 2023 Jiajin Zhang, Hanqing Chao, Amit Dhurandhar, Pin-Yu Chen, Ali Tajer, Yangyang Xu, Pingkun Yan

To accomplish this challenging task, first, a spectral sensitivity map is introduced to characterize the generalization weaknesses of models in the frequency domain.

Unsupervised Domain Adaptation

Dynamic Ensemble of Low-fidelity Experts: Mitigating NAS "Cold-Start"

1 code implementation2 Feb 2023 Junbo Zhao, Xuefei Ning, Enshu Liu, Binxin Ru, Zixuan Zhou, Tianchen Zhao, Chen Chen, Jiajin Zhang, Qingmin Liao, Yu Wang

In the first step, we train different sub-predictors on different types of available low-fidelity information to extract beneficial knowledge as low-fidelity experts.

Neural Architecture Search

Regression Metric Loss: Learning a Semantic Representation Space for Medical Images

1 code implementation12 Jul 2022 Hanqing Chao, Jiajin Zhang, Pingkun Yan

Regression plays an essential role in many medical imaging applications for estimating various clinical risk or measurement scores.

Image Classification Medical Image Classification +1

Task-Oriented Low-Dose CT Image Denoising

1 code implementation25 Mar 2021 Jiajin Zhang, Hanqing Chao, Xuanang Xu, Chuang Niu, Ge Wang, Pingkun Yan

The extensive use of medical CT has raised a public concern over the radiation dose to the patient.

Image Denoising

Robustified Domain Adaptation

no code implementations18 Nov 2020 Jiajin Zhang, Hanqing Chao, Pingkun Yan

Unsupervised domain adaptation (UDA) is widely used to transfer knowledge from a labeled source domain to an unlabeled target domain with different data distribution.

Adversarial Robustness Unsupervised Domain Adaptation

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