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Junsu Kim

17 accepted papers

2026

Learning Compact 3D Representations from Feed-Forward Novel View Synthesis

CVPR 2026

Reconstructing and understanding 3D scenes from unposed sparse views in a feed-forward manner remains as a challenging task in 3D computer vision. Recent approaches use per-pixel 3D Gaussian Splatting for reconstruction, followed by a 2D-to-3D feature lifting stage for scene understanding. However,

Cited by 0SourcecodeScholar
2026

Prior-Constrained Explorative Guidance for Generalization in Diffusion Motion Planning

ICRA 2026poster

Diffusion-based planners have achieved generalization comparable to classical planners by leveraging inference-time optimization through guidance. However, their limited ability to capture environmental variations often constrains their responsiveness in unseen settings. In addition, the diversity-c…

Cited by 0codeScholar
2026

Quality Over Quantity: Demonstration Curation Via Influence Functions for Data-Centric Robot Learning

ICRA 2026poster

Learning from demonstrations has emerged as a promising paradigm for end-to-end robot control, particularly when scaled to diverse and large datasets. However, the quality of demonstration data, often collected through human teleoperation, remains a critical bottleneck for effective data-driven robo…

2025

LoRA Training Provably Converges to a Low-Rank Global Minimum Or It Fails Loudly (But it Probably Won't Fail)

ICML 2025oral

Low-rank adaptation (LoRA) has become a standard approach for fine-tuning large foundation models. However, our theoretical understanding of LoRA remains limited as prior analyses of LoRA's training dynamics either rely on linearization arguments or consider highly simplified setups. In this work, w…

Cited by 1SourcePDFScholar
2025

Salient Frequency-aware Exemplar Compression for Resource-constrained Online Continual Learning

AAAI 2025technical

Online Class-Incremental Learning (OCIL) enables a model to learn new classes from a data stream. Since data stream samples are seen only once and the capacity of storage is constrained, OCIL is particularly susceptible to Catastrophic Forgetting (CF). While exemplar replay methods alleviate CF by s…

Cited by 0SourcePDFScholar
2025

Test-Time Adaptation with Binary Feedback

ICML 2025poster

Deep learning models perform poorly when domain shifts exist between training and test data. Test-time adaptation (TTA) is a paradigm to mitigate this issue by adapting pre-trained models using only unlabeled test samples. However, existing TTA methods can fail under severe domain shifts, while rece…

2025

Towards Robust Mathematical Reasoning

EMNLP 2025

Finding the right north-star metrics is highly critical for advancing mathematical reasoning capabilities of foundation models, especially given that existing evaluations are either too easy or only focusing on getting correct short answers. To address these issues, we present IMO-Bench, a suite of

2025

VPOcc: Exploiting Vanishing Point for 3D Semantic Occupancy Prediction

IROS 2025

Understanding 3D scenes semantically and spatially is crucial for the safe navigation of robots and autonomous vehicles, aiding obstacle avoidance and accurate trajectory planning. Camera-based 3D semantic occupancy prediction, which infers complete voxel grids from 2D images, is gaining importance

Cited by 1SourcecodeScholar
2024

Class-Wise Buffer Management for Incremental Object Detection: An Effective Buffer Training Strategy

ICASSP 2024accepted

Class incremental learning aims to solve a problem that arises when continuously adding unseen class instances to an existing model This approach has been extensively studied in the context of image classification; however its applicability to object detection is not well established yet. Existing f…

Cited by 0SourceScholar
2024

SDDGR: Stable Diffusion-based Deep Generative Replay for Class Incremental Object Detection

CVPR 2024highlight

In the field of class incremental learning (CIL) generative replay has become increasingly prominent as a method to mitigate the catastrophic forgetting alongside the continuous improvements in generative models. However its application in class incremental object detection (CIOD) has been significa…

Cited by 28SourcePDFScholar
2024

Visual Representation Learning with Stochastic Frame Prediction

ICML 2024poster

Self-supervised learning of image representations by predicting future frames is a promising direction but still remains a challenge. This is because of the under-determined nature of frame prediction; multiple potential futures can arise from a single current frame. To tackle this challenge, in thi…

Cited by 3SourcePDFScholar
2023

Imitating Graph-Based Planning with Goal-Conditioned Policies

ICLR 2023poster

Recently, graph-based planning algorithms have gained much attention to solve goal-conditioned reinforcement learning (RL) tasks: they provide a sequence of subgoals to reach the target-goal, and the agents learn to execute subgoal-conditioned policies. However, the sample-efficiency of such RL sche…

2023

Multi-View Masked World Models for Visual Robotic Manipulation

ICML 2023poster

Visual robotic manipulation research and applications often use multiple cameras, or views, to better perceive the world. How else can we utilize the richness of multi-view data? In this paper, we investigate how to learn good representations with multi-view data and utilize them for visual robotic…

2022

Disentangling Sources of Risk for Distributional Multi-Agent Reinforcement Learning

ICML 2022spotlight

In cooperative multi-agent reinforcement learning, the outcomes of agent-wise policies are highly stochastic due to the two sources of risk: (a) random actions taken by teammates and (b) random transition and rewards. Although the two sources have very distinct characteristics, existing frameworks a…

Cited by 12SourcePDFScholar
2021

Landmark-Guided Subgoal Generation in Hierarchical Reinforcement Learning

NeurIPS 2021poster

Goal-conditioned hierarchical reinforcement learning (HRL) has shown promising results for solving complex and long-horizon RL tasks. However, the action space of high-level policy in the goal-conditioned HRL is often large, so it results in poor exploration, leading to inefficiency in training. In…

2020

Guiding Deep Molecular Optimization with Genetic Exploration

NeurIPS 2020poster

De novo molecular design attempts to search over the chemical space for molecules with the desired property. Recently, deep learning has gained considerable attention as a promising approach to solve the problem. In this paper, we propose genetic expert-guided learning (GEGL), a simple yet novel fra…