Search Results for author: Sung-Ju Lee

Found 9 papers, 4 papers with code

DAPPER: Label-Free Performance Estimation after Personalization for Heterogeneous Mobile Sensing

no code implementations22 Nov 2021 Taesik Gong, Yewon Kim, Adiba Orzikulova, Yunxin Liu, Sung Ju Hwang, Jinwoo Shin, Sung-Ju Lee

However, various factors such as different users, devices, and environments impact the performance of such applications, thus making the domain shift (i. e., distributional shift between the training domain and the target domain) a critical issue in mobile sensing.

Domain Adaptation

FedBalancer: Data and Pace Control for Efficient Federated Learning on Heterogeneous Clients

1 code implementation5 Jan 2022 Jaemin Shin, Yuanchun Li, Yunxin Liu, Sung-Ju Lee

Federated Learning (FL) trains a machine learning model on distributed clients without exposing individual data.

Federated Learning

NOTE: Robust Continual Test-time Adaptation Against Temporal Correlation

1 code implementation10 Aug 2022 Taesik Gong, Jongheon Jeong, Taewon Kim, Yewon Kim, Jinwoo Shin, Sung-Ju Lee

Test-time adaptation (TTA) is an emerging paradigm that addresses distributional shifts between training and testing phases without additional data acquisition or labeling cost; only unlabeled test data streams are used for continual model adaptation.

Autonomous Driving Test-time Adaptation

IMG2IMU: Translating Knowledge from Large-Scale Images to IMU Sensing Applications

no code implementations2 Sep 2022 Hyungjun Yoon, Hyeongheon Cha, Hoang C. Nguyen, Taesik Gong, Sung-Ju Lee

Our evaluation with four different IMU sensing tasks shows that IMG2IMU outperforms the baselines pre-trained on sensor data by an average of 9. 6%p F1-score, illustrating that vision knowledge can be usefully incorporated into IMU sensing applications where only limited training data is available.

Contrastive Learning Few-Shot Learning +1

Towards Explainable AI Writing Assistants for Non-native English Speakers

no code implementations5 Apr 2023 Yewon Kim, Mina Lee, Donghwi Kim, Sung-Ju Lee

We highlight the challenges faced by non-native speakers when using AI writing assistants to paraphrase text.

SoTTA: Robust Test-Time Adaptation on Noisy Data Streams

1 code implementation NeurIPS 2023 Taesik Gong, Yewon Kim, Taeckyung Lee, Sorn Chottananurak, Sung-Ju Lee

To address this problem, we present Screening-out Test-Time Adaptation (SoTTA), a novel TTA algorithm that is robust to noisy samples.

Autonomous Driving Test-time Adaptation

Time2Stop: Adaptive and Explainable Human-AI Loop for Smartphone Overuse Intervention

no code implementations3 Mar 2024 Adiba Orzikulova, Han Xiao, Zhipeng Li, Yukang Yan, Yuntao Wang, Yuanchun Shi, Marzyeh Ghassemi, Sung-Ju Lee, Anind K Dey, Xuhai "Orson" Xu

Participants preferred the adaptive interventions and rated the system highly on intervention time accuracy, effectiveness, and level of trust.

AETTA: Label-Free Accuracy Estimation for Test-Time Adaptation

1 code implementation1 Apr 2024 Taeckyung Lee, Sorn Chottananurak, Taesik Gong, Sung-Ju Lee

We propose the prediction disagreement as the accuracy estimate, calculated by comparing the target model prediction with dropout inferences.

Test-time Adaptation

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