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Chiho Choi

26 accepted papers

2025

CAMILA: Context-Aware Masking for Image Editing with Language Alignment

NeurIPS 2025poster

Text-guided image editing has been allowing users to transform and synthesize images through natural language instructions, offering considerable flexibility. However, most existing image editing models naively attempt to follow all user instructions, even if those instructions are inherently infeas…

Cited by 0SourceScholar
2023

AdamsFormer for Spatial Action Localization in the Future

CVPR 2023poster

Predicting future action locations is vital for applications like human-robot collaboration. While some computer vision tasks have made progress in predicting human actions, accurately localizing these actions in future frames remains an area with room for improvement. We introduce a new task called…

2023

Latency Matters: Real-Time Action Forecasting Transformer

CVPR 2023highlight

We present RAFTformer, a real-time action forecasting transformer for latency aware real-world action forecasting applications. RAFTformer is a two-stage fully transformer based architecture which consists of a video transformer backbone that operates on high resolution, short range clips and a head…

2023

Uncovering the Missing Pattern: Unified Framework Towards Trajectory Imputation and Prediction

CVPR 2023poster

Trajectory prediction is a crucial undertaking in understanding entity movement or human behavior from observed sequences. However, current methods often assume that the observed sequences are complete while ignoring the potential for missing values caused by object occlusion, scope limitation, sens…

2022

Domain Knowledge Driven Pseudo Labels for Interpretable Goal-Conditioned Interactive Trajectory Prediction

IROS 2022poster

Motion forecasting in highly interactive scenarios is a challenging problem in autonomous driving. In such scenarios, we need to accurately predict the joint behavior of interacting agents to ensure the safe and efficient navigation of autonomous vehicles. Recently, goal-conditioned methods have gai…

Cited by 18SourceScholar
2022

Important Object Identification with Semi-Supervised Learning for Autonomous Driving

ICRA 2022poster

Accurate identification of important objects in the scene is a prerequisite for safe and high-quality decision making and motion planning of intelligent agents (e.g., autonomous vehicles) that navigate in complex and dynamic environments. Most existing approaches attempt to employ attention mechanis…

Cited by 19SourceScholar
2022

Multi-Objective Diverse Human Motion Prediction With Knowledge Distillation

CVPR 2022oral

Obtaining accurate and diverse human motion prediction is essential to many industrial applications, especially robotics and autonomous driving. Recent research has explored several techniques to enhance diversity and maintain the accuracy of human motion prediction at the same time. However, most o…

Cited by 48PDFScholar
2022

Weakly-Supervised Online Action Segmentation in Multi-View Instructional Videos

CVPR 2022poster

This paper addresses a new problem of weakly-supervised online action segmentation in instructional videos. We present a framework to segment streaming videos online at test time using Dynamic Programming and show its advantages over greedy sliding window approach. We improve our framework by introd…

Cited by 26PDFScholar
2021

Continual Multi-Agent Interaction Behavior Prediction With Conditional Generative Memory

RA-L 2021

Multi-agent trajectory prediction plays a crucial role in robotics and autonomous driving. The current mainstream research focuses on how to achieve accurate prediction on one large dataset. However, whether the multi-agent trajectory prediction model can be trained with a sequence of datasets, i.e.

Cited by 39SourceScholar
2021

LOKI: Long Term and Key Intentions for Trajectory Prediction

ICCV 2021poster

Recent advances in trajectory prediction have shown that explicit reasoning about agents' intent is important to accurately forecast their motion. However, the current research activities are not directly applicable to intelligent and safety critical systems. This is mainly because very few public d…

Cited by 113PDFScholar
2021

RAIN: Reinforced Hybrid Attention Inference Network for Motion Forecasting

ICCV 2021poster

Motion forecasting plays a significant role in various domains (e.g., autonomous driving, human-robot interaction), which aims to predict future motion sequences given a set of historical observations. However, the observed elements may be of different levels of importance. Some information may be i…

Cited by 49PDFScholar
2020

DROGON: A Trajectory Prediction Model based on Intention-Conditioned Behavior Reasoning

CoRL 2020

We propose a Deep RObust Goal-Oriented trajectory prediction Network (DROGON) for accurate vehicle trajectory prediction by considering behavioral intentions of vehicles in traffic scenes. Our main insight is that the behavior (i.e., motion) of drivers can be reasoned from their high level possible

Cited by 0SourcePDFScholar
2020

EvolveGraph: Multi-Agent Trajectory Prediction with Dynamic Relational Reasoning

NeurIPS 2020poster

Multi-agent interacting systems are prevalent in the world, from purely physical systems to complicated social dynamic systems. In many applications, effective understanding of the situation and accurate trajectory prediction of interactive agents play a significant role in downstream tasks, such as…

Cited by 260SourcePDFScholar
2019

Deep Learning 3D Shapes Using Alt-az Anisotropic 2-Sphere Convolution

ICLR 2019poster

The ground-breaking performance obtained by deep convolutional neural networks (CNNs) for image processing tasks is inspiring research efforts attempting to extend it for 3D geometric tasks. One of the main challenge in applying CNNs to 3D shape analysis is how to define a natural convolution operat…

Cited by 53SourcePDFScholar
2019

Egocentric Vision-based Future Vehicle Localization for Intelligent Driving Assistance Systems

ICRA 2019poster

Predicting the future location of vehicles is essential for safety-critical applications such as advanced driver assistance systems (ADAS) and autonomous driving. This paper introduces a novel approach to simultaneously predict both the location and scale of target vehicles in the first-person (egoc…

Cited by 172SourceScholar
2017

Robust Hand Pose Estimation During the Interaction With an Unknown Object

ICCV 2017poster

This paper proposes a robust solution for accurate 3D hand pose estimation in the presence of an external object interacting with hands. Our main insight is that the shape of an object causes a configuration of the hand in the form of a hand grasp. Along this line, we simultaneously train deep neura…

Cited by 83PDFScholar
2016

DeepHand: Robust Hand Pose Estimation by Completing a Matrix Imputed With Deep Features

CVPR 2016poster

We propose DeepHand to estimate the 3D pose of a hand using depth data from commercial 3D sensors. We discriminatively train convolutional neural networks to output a low dimensional activation feature given a depth map. This activation feature vector is representative of the global or local joint a…

Cited by 228PDFScholar
2015

A Collaborative Filtering Approach to Real-Time Hand Pose Estimation

ICCV 2015poster

Collaborative filtering aims to predict unknown user ratings in a recommender system by collectively assessing known user preferences. In this paper, we first draw analogies between collaborative filtering and the pose estimation problem. Specifically, we recast the hand pose estimation problem as t…

Cited by 71PDFScholar