activity
20192025
most citedAutomatic Cross-Replica Sharding of Weight Update in Data-Parallel Training

19 citations · 41 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CV2025

Intra-class Patch Swap for Self-Distillation

Hongjun Choi, Eun Som Jeon, Ankita Shukla +1

Knowledge distillation (KD) is a valuable technique for compressing large deep learning models into smaller, edge-suitable networks. However, conventional KD frameworks rely on pre…

cs.LG2025

Role of Mixup in Topological Persistence Based Knowledge Distillation for Wearable Sensor Data

Eun Som Jeon, Hongjun Choi, Matthew P. Buman +1

The analysis of wearable sensor data has enabled many successes in several applications. To represent the high-sampling rate time-series with sufficient detail, the use of topologi…

eess.SP2024★ 8 cited

Topological Persistence Guided Knowledge Distillation for Wearable Sensor Data

Eun Som Jeon, Hongjun Choi, Ankita Shukla +4

Deep learning methods have achieved a lot of success in various applications involving converting wearable sensor data to actionable health insights. A common application areas is…

cs.CV2023★ 8 cited

Leveraging Angular Distributions for Improved Knowledge Distillation

Eun Som Jeon, Hongjun Choi, Ankita Shukla +1

Knowledge distillation as a broad class of methods has led to the development of lightweight and memory efficient models, using a pre-trained model with a large capacity (teacher n…

cs.CV2022★ 1 cited

Understanding the Role of Mixup in Knowledge Distillation: An Empirical Study

Hongjun Choi, Eun Som Jeon, Ankita Shukla +1

Mixup is a popular data augmentation technique based on creating new samples by linear interpolation between two given data samples, to improve both the generalization and robustne…

cs.RO2021★ 5 cited

PHYSFRAME: Type Checking Physical Frames of Reference for Robotic Systems

Sayali Kate, Michael Chinn, Hongjun Choi +2

A robotic system continuously measures its own motions and the external world during operation. Such measurements are with respect to some frame of reference, i.e., a coordinate sy…

cs.DC2020★ 19 cited

Automatic Cross-Replica Sharding of Weight Update in Data-Parallel Training

Yuanzhong Xu, HyoukJoong Lee, Dehao Chen +3

In data-parallel synchronous training of deep neural networks, different devices (replicas) run the same program with different partitions of the training batch, but weight update…

cs.CV2020

AMC-Loss: Angular Margin Contrastive Loss for Improved Explainability in Image Classification

Hongjun Choi, Anirudh Som, Pavan Turaga

Deep-learning architectures for classification problems involve the cross-entropy loss sometimes assisted with auxiliary loss functions like center loss, contrastive loss and tripl…

cs.CV2019

PI-Net: A Deep Learning Approach to Extract Topological Persistence Images

Anirudh Som, Hongjun Choi, Karthikeyan Natesan Ramamurthy +2

Topological features such as persistence diagrams and their functional approximations like persistence images (PIs) have been showing substantial promise for machine learning and c…