Search Results for author: Chiho Choi

Found 31 papers, 6 papers with code

Object-centric Video Representation for Long-term Action Anticipation

1 code implementation31 Oct 2023 Ce Zhang, Changcheng Fu, Shijie Wang, Nakul Agarwal, Kwonjoon Lee, Chiho Choi, Chen Sun

To recognize and predict human-object interactions, we use a Transformer-based neural architecture which allows the "retrieval" of relevant objects for action anticipation at various time scales.

Action Anticipation Human-Object Interaction Detection +4

Rank2Tell: A Multimodal Driving Dataset for Joint Importance Ranking and Reasoning

1 code implementation12 Sep 2023 Enna Sachdeva, Nakul Agarwal, Suhas Chundi, Sean Roelofs, Jiachen Li, Mykel Kochenderfer, Chiho Choi, Behzad Dariush

The widespread adoption of commercial autonomous vehicles (AVs) and advanced driver assistance systems (ADAS) may largely depend on their acceptance by society, for which their perceived trustworthiness and interpretability to riders are crucial.

Autonomous Vehicles Question Answering +2

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

1 code implementation CVPR 2023 Yi Xu, Armin Bazarjani, Hyung-gun Chi, Chiho Choi, Yun Fu

As far as we know, this is the first work to address the lack of benchmarks and techniques for trajectory imputation and prediction in a unified manner.

Imputation Trajectory Prediction

AdamsFormer for Spatial Action Localization in the Future

no code implementations CVPR 2023 Hyung-gun Chi, Kwonjoon Lee, Nakul Agarwal, Yi Xu, Karthik Ramani, Chiho Choi

SALF is challenging because it requires understanding the underlying physics of video observations to predict future action locations accurately.

Action Localization

Latency Matters: Real-Time Action Forecasting Transformer

no code implementations CVPR 2023 Harshayu Girase, Nakul Agarwal, Chiho Choi, Karttikeya Mangalam

We present RAFTformer, a real-time action forecasting transformer for latency aware real-world action forecasting applications.

DIDER: Discovering Interpretable Dynamically Evolving Relations

no code implementations22 Aug 2022 Enna Sachdeva, Chiho Choi

DIDER discovers an interpretable sequence of inter-agent interactions by disentangling the task of latent interaction prediction into sub-interaction prediction and duration estimation.

Trajectory Forecasting

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

no code implementations CVPR 2022 Reza Ghoddoosian, Isht Dwivedi, Nakul Agarwal, Chiho Choi, Behzad Dariush

Experimental results show efficacy of the proposed methods both qualitatively and quantitatively in two domains of cooking and assembly.

Action Segmentation Segmentation

Important Object Identification with Semi-Supervised Learning for Autonomous Driving

no code implementations5 Mar 2022 Jiachen Li, Haiming Gang, Hengbo Ma, Masayoshi Tomizuka, Chiho Choi

We propose a novel approach for important object identification in egocentric driving scenarios with relational reasoning on the objects in the scene.

Autonomous Driving Binary Classification +5

Multi-Objective Diverse Human Motion Prediction With Knowledge Distillation

no code implementations CVPR 2022 Hengbo Ma, Jiachen Li, Ramtin Hosseini, Masayoshi Tomizuka, Chiho Choi

Obtaining accurate and diverse human motion prediction is essential to many industrial applications, especially robotics and autonomous driving.

Autonomous Driving Human motion prediction +3

LOKI: Long Term and Key Intentions for Trajectory Prediction

no code implementations ICCV 2021 Harshayu Girase, Haiming Gang, Srikanth Malla, Jiachen Li, Akira Kanehara, Karttikeya Mangalam, Chiho Choi

We also propose a model that jointly performs trajectory and intention prediction, showing that recurrently reasoning about intention can assist with trajectory prediction.

Autonomous Driving Trajectory Prediction

RAIN: Reinforced Hybrid Attention Inference Network for Motion Forecasting

no code implementations ICCV 2021 Jiachen Li, Fan Yang, Hengbo Ma, Srikanth Malla, Masayoshi Tomizuka, Chiho Choi

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.

Motion Forecasting Trajectory Prediction

Shared Cross-Modal Trajectory Prediction for Autonomous Driving

no code implementations CVPR 2021 Chiho Choi, Joon Hee Choi, Jiachen Li, Srikanth Malla

At test time, a single input modality (e. g., LiDAR data) is required to generate predictions from the input perspective (i. e., in the LiDAR space), while taking advantages from the model trained with multiple sensor modalities.

Autonomous Driving Trajectory Prediction

Social-STAGE: Spatio-Temporal Multi-Modal Future Trajectory Forecast

no code implementations10 Nov 2020 Srikanth Malla, Chiho Choi, Behzad Dariush

This paper considers the problem of multi-modal future trajectory forecast with ranking.

SSP: Single Shot Future Trajectory Prediction

no code implementations13 Apr 2020 Isht Dwivedi, Srikanth Malla, Behzad Dariush, Chiho Choi

Third, the semantic context of the scene are modeled and take into account the environmental constraints that potentially influence the future motion.

Trajectory Prediction

Shared Cross-Modal Trajectory Prediction for Autonomous Driving

no code implementations1 Apr 2020 Chiho Choi, Joon Hee Choi, Srikanth Malla, Jiachen Li

At test time, a single input modality (e. g., LiDAR data) is required to generate predictions from the input perspective (i. e., in the LiDAR space), while taking advantages from the model trained with multiple sensor modalities.

Autonomous Driving Future prediction +1

TITAN: Future Forecast using Action Priors

no code implementations CVPR 2020 Srikanth Malla, Behzad Dariush, Chiho Choi

In an attempt to address this problem, we introduce TITAN (Trajectory Inference using Targeted Action priors Network), a new model that incorporates prior positions, actions, and context to forecast future trajectory of agents and future ego-motion.

EvolveGraph: Multi-Agent Trajectory Prediction with Dynamic Relational Reasoning

no code implementations NeurIPS 2020 Jiachen Li, Fan Yang, Masayoshi Tomizuka, Chiho Choi

In this paper, we propose a generic trajectory forecasting framework (named EvolveGraph) with explicit relational structure recognition and prediction via latent interaction graphs among multiple heterogeneous, interactive agents.

Autonomous Driving Decision Making +2

Potential Field: Interpretable and Unified Representation for Trajectory Prediction

no code implementations18 Nov 2019 Shan Su, Cheng Peng, Jianbo Shi, Chiho Choi

From the generated potential fields, we further estimate future motion direction and speed, which are modeled as Gaussian distributions to account for the multi-modal nature of the problem.

Trajectory Prediction

NEMO: Future Object Localization Using Noisy Ego Priors

no code implementations17 Sep 2019 Srikanth Malla, Isht Dwivedi, Behzad Dariush, Chiho Choi

In the proposed approach, a predictive distribution of future forecast is jointly modeled with the uncertainty of predictions.

motion prediction Object +1

Cooperation-Aware Lane Change Maneuver in Dense Traffic based on Model Predictive Control with Recurrent Neural Network

1 code implementation9 Sep 2019 Sangjae Bae, Dhruv Saxena, Alireza Nakhaei, Chiho Choi, Kikuo Fujimura, Scott Moura

This paper presents a real-time lane change control framework of autonomous driving in dense traffic, which exploits cooperative behaviors of other drivers.

Autonomous Driving Model Predictive Control

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

no code implementations31 Jul 2019 Chiho Choi, Srikanth Malla, Abhishek Patil, Joon Hee Choi

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.

Pedestrian Trajectory Prediction Trajectory Prediction

Looking to Relations for Future Trajectory Forecast

no code implementations ICCV 2019 Chiho Choi, Behzad Dariush

Inferring relational behavior between road users as well as road users and their surrounding physical space is an important step toward effective modeling and prediction of navigation strategies adopted by participants in road scenes.

Descriptive

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

no code implementations ICLR 2019 Min Liu, Fupin Yao, Chiho Choi, Sinha Ayan, Karthik Ramani

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.

Retrieval

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

2 code implementations19 Sep 2018 Yu Yao, Mingze Xu, Chiho Choi, David J. Crandall, Ella M. Atkins, Behzad Dariush

Predicting the future location of vehicles is essential for safety-critical applications such as advanced driver assistance systems (ADAS) and autonomous driving.

Autonomous Driving Motion Planning +1

Learning Hand Articulations by Hallucinating Heat Distribution

no code implementations ICCV 2017 Chiho Choi, Sangpil Kim, Karthik Ramani

As an additional modality to depth data, we present a function of geometric properties on the surface of the hand described by heat diffusion.

Descriptive Hallucination +1

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

no code implementations CVPR 2016 Ayan Sinha, Chiho Choi, Karthik Ramani

Our matrix completion algorithm uses these 'spatio-temporal' activation features and the corresponding known pose parameter values to to estimate the unknown pose parameters of the input feature vector.

Hand Pose Estimation Matrix Completion

A Collaborative Filtering Approach to Real-Time Hand Pose Estimation

no code implementations ICCV 2015 Chiho Choi, Ayan Sinha, Joon Hee Choi, Sujin Jang, Karthik Ramani

Specifically, we recast the hand pose estimation problem as the cold-start problem for a new user with unknown item ratings in a recommender system.

Collaborative Filtering Hand Pose Estimation +1

Cannot find the paper you are looking for? You can Submit a new open access paper.