← Search

Youngjae Yu

68 accepted papers

2026

D2E: Scaling Vision-Action Pretraining on Desktop Data for Transfer to Embodied AI

ICLR 2026poster

Large language models leverage internet-scale text data, yet embodied AI remains constrained by the prohibitive costs of physical trajectory collection. Desktop environments---particularly gaming---offer a compelling alternative: they provide rich sensorimotor interactions at scale while maintaining…

Cited by 0SourcecodeScholar
2026

Do Language Models Associate Sound with Meaning? A Multimodal Study of Sound Symbolism

AAAI 2026technical

Sound symbolism is a linguistic concept that refers to non-arbitrary associations between phonetic forms and their meanings. We suggest that this can be a compelling probe into how Multimodal Large Language Models (MLLMs) interpret auditory information in human languages. We investigate MLLMs

Cited by 0SourcePDFScholar
2026

Explain with Visual Keypoints Like a Real Mentor! A Benchmark for Multimodal Solution Explanation

AAAI 2026technical

With the rapid advancement of mathematical reasoning capabilities in Large Language Models (LLMs), AI systems are increasingly being adopted in educational settings to support students’ comprehension of problem-solving processes. However, a critical component remains underexplored in current LLM-gen

Cited by 0SourcePDFScholar
2026

Judging What We Cannot Solve: A Consequence-Based Approach for Oracle-Free Evaluation of Research-Level Math

ICML 2026spotlight

Recent progress in reasoning models suggests that generating plausible attempts for research-level mathematics may be within reach, but verification remains a bottleneck, consuming scarce expert time. We hypothesize that a meaningful solution should contain enough method-level information that, when…

Cited by 0SourceScholar
2026

Pushing on Multilingual Reasoning Models with Language-Mixed Chain-of-Thought

ICLR 2026poster

Recent frontier models employ long-chain-of-thought reasoning to explore solution spaces in context and achieve stronger performance. While many works study distillation to build smaller yet capable models, most focus on English and little is known about language-specific reasoning. To bridge this g…

Cited by 0SourcecodeScholar
2026

TIPO: Text to Image with Text Pre-sampling for Prompt Optimization

ICLR 2026poster

TIPO (Text-to-Image Prompt Optimization) introduces an efficient approach for automatic prompt refinement in text-to-image (T2I) generation. Starting from simple user prompts, TIPO leverages a lightweight pre-trained model to expand these prompts into richer, detailed versions. Conceptually, TIPO sa…

Cited by 0SourceScholar
2026

Teaching Metric Distance to Discrete Autoregressive Language Models

ICLR 2026poster

As large language models expand beyond natural language to domains such as mathematics, multimodal understanding, and embodied agents, tokens increasingly reflect metric relationships rather than purely linguistic meaning. We introduce DIST2Loss, a distance-aware framework designed to train autoregr…

Cited by 0SourceScholar
2025

Are Any-to-Any Models More Consistent Across Modality Transfers Than Specialists?

ACL 2025long

Any-to-any generative models aim to enable seamless interpretation and generation across multiple modalities within a unified framework, yet their ability to preserve relationships across modalities remains uncertain. Do unified models truly achieve cross-modal coherence, or is this coherence merely…

2025

CANVAS: Commonsense-Aware Navigation System for Intuitive Human-Robot Interaction

ICRA 2025

Real-life robot navigation involves more than just reaching a destination; it requires optimizing movements while addressing scenario-specific goals. An intuitive way for humans to express these goals is through abstract cues like verbal commands or rough sketches. Such human guidance may lack detai

Cited by 4SourceScholar
2025

DEEPTalk: Dynamic Emotion Embedding for Probabilistic Speech-Driven 3D Face Animation

AAAI 2025technical

Speech-driven 3D facial animation has garnered lots of attention thanks to its broad range of applications. Despite recent advancements in achieving realistic lip motion, current methods fail to capture the nuanced emotional undertones conveyed through speech and produce monotonous facial motion. Th…

2025

Diffusion-Driven Two-Stage Active Learning for Low-Budget Semantic Segmentation

NeurIPS 2025poster

Semantic segmentation demands dense pixel-level annotations, which can be prohibitively expensive -- especially under extremely constrained labeling budgets. In this paper, we address the problem of low-budget active learning for semantic segmentation by proposing a novel two-stage selection pipelin…

Cited by 0SourcecodeScholar
2025

DisCoRD: Discrete Tokens to Continuous Motion via Rectified Flow Decoding

ICCV 2025poster

Human motion is inherently continuous and dynamic, posing significant challenges for generative models. While discrete generation methods are widely used, they suffer from limited expressiveness and frame-wise noise artifacts. In contrast, continuous approaches produce smoother, more natural motion…

Cited by 0SourcePDFScholar
2025

Do LLMs Have Distinct and Consistent Personality? TRAIT: Personality Testset designed for LLMs with Psychometrics

NAACL 2025findings

Recent advancements in Large Language Models (LLMs) have led to their adaptation in various domains as conversational agents. We wonder: can personality tests be applied to these agents to analyze their behavior, similar to humans? We introduce TRAIT, a new benchmark consisting of 8K multi-choice qu…

Cited by 13SourcePDFScholar
2025

EgoSpeak: Learning When to Speak for Egocentric Conversational Agents in the Wild

NAACL 2025findings

Predicting when to initiate speech in real-world environments remains a fundamental challenge for conversational agents. We introduce , a novel framework for real-time speech initiation prediction in egocentric streaming video. By modeling the conversation from the speaker’s first-person viewpoint,…

Cited by 0SourcePDFScholar
2025

ISR-DPO: Aligning Large Multimodal Models for Videos by Iterative Self-Retrospective DPO

AAAI 2025technical

Iterative self-improvement, a concept extending beyond personal growth, has found powerful applications in machine learning, particularly in transforming weak models into strong ones. While recent advances in natural language processing have shown its efficacy through iterative preference optimizati…

Cited by 0SourcePDFScholar
2025

KL Penalty Control via Perturbation for Direct Preference Optimization

NeurIPS 2025poster

Direct Preference Optimization (DPO) demonstrates the advantage of aligning a large language model with human preference using only an offline dataset. However, DPO has the limitation that the KL penalty, which prevents excessive deviation from the reference model, is static throughout the training…

Cited by 0SourcecodeScholar
2025

MASS: Overcoming Language Bias in Image-Text Matching

AAAI 2025technical

Pretrained visual-language models have made significant advancements in multimodal tasks, including image-text retrieval. However, a major challenge in image-text matching lies in language bias, where models predominantly rely on language priors and neglect to adequately consider the visual content.…

2025

MAVL: A Multilingual Audio-Video Lyrics Dataset for Animated Song Translation

EMNLP 2025

Lyrics translation requires both accurate semantic transfer and preservation of musical rhythm, syllabic structure, and poetic style. In animated musicals, the challenge intensifies due to alignment with visual and auditory cues. We introduce Multilingual Audio-Video Lyrics Benchmark for Animated So

2025

Multimodal UNcommonsense: From Odd to Ordinary and Ordinary to Odd

EMNLP 2025

Commonsense reasoning in multimodal contexts remains a foundational challenge in artificial intelligence. We introduce Multimodal UNcommonsense (MUN), a benchmark designed to evaluate models’ ability to handle scenarios that deviate from typical visual or contextual expectations. MUN pairs visual sc

2025

Persona Dynamics: Unveiling the Impact of Persona Traits on Agents in Text-Based Games

ACL 2025long

Artificial agents are increasingly central to complex interactions and decision-making tasks, yet aligning their behaviors with desired human values remains an open challenge. In this work, we investigate how human-like personality traits influence agent behavior and performance within text-based in…

Cited by 0SourcePDFScholar
2025

Representation Bending for Large Language Model Safety

ACL 2025long

Large Language Models (LLMs) have emerged as powerful tools, but their inherent safety risks – ranging from harmful content generation to broader societal harms – pose significant challenges. These risks can be amplified by the recent adversarial attacks, fine-tuning vulnerabilities, and the increas…

2025

Revisiting Residual Connections: Orthogonal Updates for Stable and Efficient Deep Networks

NeurIPS 2025poster

Residual connections are pivotal for deep neural networks, enabling greater depth by mitigating vanishing gradients. However, in standard residual updates, the module’s output is directly added to the input stream. This can lead to updates that predominantly reinforce or modulate the existing stream…

Cited by 0SourcecodeScholar
2025

Speaking Beyond Language: A Large-Scale Multimodal Dataset for Learning Nonverbal Cues from Video-Grounded Dialogues

ACL 2025long

Nonverbal communication is integral to human interaction, with gestures, facial expressions, and body language conveying critical aspects of intent and emotion. However, existing large language models (LLMs) fail to effectively incorporate these nonverbal elements, limiting their capacity to create…

2025

Subtle Risks, Critical Failures: A Framework for Diagnosing Physical Safety of LLMs for Embodied Decision Making

EMNLP 2025

Large Language Models (LLMs) are increasingly used for decision making in embodied agents, yet existing safety evaluations often rely on coarse success rates and domain-specific setups, making it difficult to diagnose why and where these models fail. This obscures our understanding of embodied safet

Cited by 0SourcePDFScholar
2025

V.I.P. : Iterative Online Preference Distillation for Efficient Video Diffusion Models

ICCV 2025poster

With growing interest in deploying text-to-video (T2V) models in resource-constrained environments, reducing their high computational cost has become crucial, leading to extensive research on pruning and knowledge distillation methods while maintaining performance. However, existing distillation met…

2025

VAGUE: Visual Contexts Clarify Ambiguous Expressions

ICCV 2025poster

Human communication often relies on visual cues to resolve ambiguity. While humans can intuitively integrate these cues, AI systems often find it challenging to engage in sophisticated multimodal reasoning. We introduce VAGUE, a benchmark evaluating multimodal AI systems' ability to integrate visual…

Cited by 0SourcePDFScholar
2025

VisEscape: A Benchmark for Evaluating Exploration-driven Decision-making in Virtual Escape Rooms

EMNLP 2025

Escape rooms present a unique cognitive challenge that demands exploration-driven planning: with the sole instruction to escape the room, players must actively search their environment, collecting information, and finding solutions through repeated trial and error. Motivated by this, we introduce Vi

2025

Zero-shot Multimodal Document Retrieval via Cross-modal Question Generation

EMNLP 2025

Rapid advances in Multimodal Large Language Models (MLLMs) have extended information retrieval beyond text, enabling access to complex real-world documents that combine both textual and visual content. However, most documents are private, either owned by individuals or confined within corporate silo

Cited by 0SourcePDFScholar
2024

ActionSwitch: Class-agnostic Detection of Simultaneous Actions in Streaming Videos

ECCV 2024poster

"Online Temporal Action Localization (On-TAL) is a critical task that aims to instantaneously identify action instances in untrimmed streaming videos as soon as an action concludes—a major leap from frame-based Online Action Detection (OAD). Yet, the challenge of detecting overlapping actions is oft…

2024

Aligning Large Language Models by On-Policy Self-Judgment

ACL 2024long

Existing approaches for aligning large language models with human preferences face a trade-off that requires a separate reward model (RM) for on-policy learning. In this paper, we present a novel alignment framework, SELF-JUDGE that (1) does on-policy learning and 2) is parameter efficient, as it do…

2024

CLARA: Classifying and Disambiguating User Commands for Reliable Interactive Robotic Agents

RA-L 2024

In this letter, we focus on inferring whether the given user command is clear, ambiguous, or infeasible in the context of interactive robotic agents utilizing large language models (LLMs). To tackle this problem, we first present an uncertainty estimation method for LLMs to classify whether the comm

Cited by 44SourcecodeScholar
2024

Cactus: Towards Psychological Counseling Conversations using Cognitive Behavioral Theory

EMNLP 2024finding

Recently, the demand for psychological counseling has significantly increased as more individuals express concerns about their mental health. This surge has accelerated efforts to improve the accessibility of counseling by using large language models (LLMs) as counselors. To ensure client privacy, t…

2024

Can Large Language Models be Good Emotional Supporter? Mitigating Preference Bias on Emotional Support Conversation

ACL 2024long

Emotional Support Conversation (ESC) is a task aimed at alleviating individuals’ emotional distress through daily conversation. Given its inherent complexity and non-intuitive nature, ESConv dataset incorporates support strategies to facilitate the generation of appropriate responses. Recently, desp…

2024

Can visual language models resolve textual ambiguity with visual cues? Let visual puns tell you!

EMNLP 2024main

Humans possess multimodal literacy, allowing them to actively integrate information from various modalities to form reasoning. Faced with challenges like lexical ambiguity in text, we supplement this with other modalities, such as thumbnail images or textbook illustrations. Is it possible for machin…

2024

How to Train Your Fact Verifier: Knowledge Transfer with Multimodal Open Models

EMNLP 2024finding

Given the growing influx of misinformation across news and social media, there is a critical need for systems that can provide effective real-time verification of news claims. Large language or multimodal model based verification has been proposed to scale up online policing mechanisms for mitigatin…

Cited by 0SourcePDFScholar
2024

Language Models as Compilers: Simulating Pseudocode Execution Improves Algorithmic Reasoning in Language Models

EMNLP 2024main

Algorithmic reasoning tasks that involve complex logical patterns, such as completing Dyck language, pose challenges for large language models (LLMs), despite their recent success. Prior work has used LLMs to generate programming language and applied external compilers for such tasks. Yet, when on t…

2024

Pearl: A Review-driven Persona-Knowledge Grounded Conversational Recommendation Dataset

ACL 2024findings

Conversational recommender systems are an emerging area that has garnered increasing interest in the community, especially with the advancements in large language models (LLMs) that enable sophisticated handling of conversational input. Despite the progress, the field still has many aspects left to…

2024

SMILE: Multimodal Dataset for Understanding Laughter in Video with Language Models

NAACL 2024findings

Despite the recent advances in artificial intelligence, building social intelligence remains a challenge.Among social signals, laughter is one of the distinctive expressions that occurs during social interactions between humans.In this work, we tackle a new challenge for machines to understand the r…

2024

Selective Vision is the Challenge for Visual Reasoning: A Benchmark for Visual Argument Understanding

EMNLP 2024main

Visual arguments, often used in advertising or social causes, rely on images to persuade viewers to do or believe something. Understanding these arguments requires selective vision: only specific visual stimuli within an image are relevant to the argument, and relevance can only be understood within…

2024

Towards Visual Text Design Transfer Across Languages

NeurIPS 2024poster

Visual text design plays a critical role in conveying themes, emotions, and atmospheres in multimodal formats such as film posters and album covers. Translating these visual and textual elements across languages extends the concept of translation beyond mere text, requiring the adaptation of aesthet…

Cited by 1SourcePDFScholar
2024

Tuning Large Multimodal Models for Videos using Reinforcement Learning from AI Feedback

ACL 2024long

Recent advancements in large language models have influenced the development of video large multimodal models (VLMMs). Previous approaches for VLMMs involve Supervised Fine-Tuning (SFT) with instruction-tuned datasets, integrating LLM with visual encoders, and additional learnable parameters. Here,…

2023

CHAMPAGNE: Learning Real-world Conversation from Large-Scale Web Videos

ICCV 2023poster

Visual information is central to conversation: body gestures and physical behaviour, for example, contribute to meaning that transcends words alone. To date, however, most neural conversational models are limited to just text. We introduce CHAMPAGNE, a generative model of conversations that can acco…

Cited by 18PDFcodeScholar
2023

Dialogue Chain-of-Thought Distillation for Commonsense-aware Conversational Agents

EMNLP 2023long main

Human-like chatbots necessitate the use of commonsense reasoning in order to effectively comprehend and respond to implicit information present within conversations. Achieving such coherence and informativeness in responses, however, is a non-trivial task. Even for large language models (LLMs), the…

Cited by 0SourcecodeScholar
2023

Fusing Pre-Trained Language Models With Multimodal Prompts Through Reinforcement Learning

CVPR 2023poster

Language models are capable of commonsense reasoning: while domain-specific models can learn from explicit knowledge (e.g. commonsense graphs [6], ethical norms [25]), and larger models like GPT-3 manifest broad commonsense reasoning capacity. Can their knowledge be extended to multimodal inputs suc…

2023

Localized Symbolic Knowledge Distillation for Visual Commonsense Models

NeurIPS 2023poster

Instruction following vision-language (VL) models offer a flexible interface that supports a broad range of multimodal tasks in a zero-shot fashion. However, interfaces that operate on full images do not directly enable the user to “point to" and access specific regions within images. This capabilit…

Cited by 13SourcePDFScholar
2023

Multimodal C4: An Open, Billion-scale Corpus of Images Interleaved with Text

NeurIPS 2023poster

In-context vision and language models like Flamingo support arbitrarily interleaved sequences of images and text as input. This format not only enables few-shot learning via interleaving independent supervised (image, text) examples, but also, more complex prompts involving interaction between image…

2023

Reading Books is Great, But Not if You Are Driving! Visually Grounded Reasoning about Defeasible Commonsense Norms

EMNLP 2023long main

Commonsense norms are defeasible by context: reading books is usually great, but not when driving a car. While contexts can be explicitly described in language, in embodied scenarios, contexts are often provided visually. This type of visually grounded reasoning about defeasible commonsense norms is…

Cited by 0SourcecodeScholar
2023

SODA: Million-scale Dialogue Distillation with Social Commonsense Contextualization

EMNLP 2023long main

Data scarcity has been a long standing issue in the field of open-domain social dialogue. To quench this thirst, we present SODA: the first publicly available, million-scale high-quality social dialogue dataset. By contextualizing social commonsense knowledge from a knowledge graph, we are able to d…

Cited by 0SourcecodeScholar
2023

Symbolic Chain-of-Thought Distillation: Small Models Can Also “Think” Step-by-Step

ACL 2023long

Chain-of-thought prompting (e.g., “Let’s think step-by-ste”) primes large language models to verbalize rationalization for their predictions. While chain-of-thought can lead to dramatic performance gains, benefits appear to emerge only for sufficiently large models (beyond 50B parameters). We show t…

2023

Zero-shot Active Visual Search (ZAVIS): Intelligent Object Search for Robotic Assistants

ICRA 2023poster

In this paper, we focus on the problem of efficiently locating a target object described with free-form text using a mobile robot equipped with vision sensors (e.g., an RGBD camera). Conventional active visual search predefines a set of objects to search for, rendering these techniques restrictive i…

Cited by 15SourcecodeScholar
2022

Connecting the Dots between Audio and Text without Parallel Data through Visual Knowledge Transfer

NAACL 2022long

Machines that can represent and describe environmental soundscapes have practical potential, e.g., for audio tagging and captioning. Prevailing learning paradigms of audio-text connections have been relying on parallel audio-text data, which is, however, scarcely available on the web. We propose VIP…

2022

MERLOT Reserve: Neural Script Knowledge Through Vision and Language and Sound

CVPR 2022oral

As humans, we navigate a multimodal world, building a holistic understanding from all our senses. We introduce MERLOT Reserve, a model that represents videos jointly over time -- through a new training objective that learns from audio, subtitles, and video frames. Given a video, we replace snippets…

Cited by 286PDFScholar
2022

NeuroLogic A*esque Decoding: Constrained Text Generation with Lookahead Heuristics

NAACL 2022long

The dominant paradigm for neural text generation is left-to-right decoding from autoregressive language models. Constrained or controllable generation under complex lexical constraints, however, requires foresight to plan ahead feasible future paths. Drawing inspiration from the A* search algorithm,…

2022

ProsocialDialog: A Prosocial Backbone for Conversational Agents

EMNLP 2022main

Most existing dialogue systems fail to respond properly to potentially unsafe user utterances by either ignoring or passively agreeing with them. To address this issue, we introduce ProsocialDialog, the first large-scale multi-turn dialogue dataset to teach conversational agents to respond to proble…

2021

ACAV100M: Automatic Curation of Large-Scale Datasets for Audio-Visual Video Representation Learning

ICCV 2021poster

The natural association between visual observations and their corresponding sound provides powerful self-supervisory signals for learning video representations, which makes the ever-growing amount of online videos an attractive source of training data. However, large portions of online videos contai…

Cited by 55PDFScholar
2021

Dual Compositional Learning in Interactive Image Retrieval

AAAI 2021technical

We present an approach named Dual Composition Network (DCNet) for interactive image retrieval that searches for the best target image for a natural language query and a reference image. To accomplish this task, existing methods have focused on learning a composite representation of the reference ima…

Cited by 103SourcePDFScholar
2021

MERLOT: Multimodal Neural Script Knowledge Models

NeurIPS 2021oral

As humans, we understand events in the visual world contextually, performing multimodal reasoning across time to make inferences about the past, present, and future. We introduce MERLOT, a model that learns multimodal script knowledge by watching millions of YouTube videos with transcribed speech --…

Cited by 423SourcePDFScholar
2021

Pano-AVQA: Grounded Audio-Visual Question Answering on 360deg Videos

ICCV 2021poster

360deg videos convey holistic views for the surroundings of a scene. It provides audio-visual cues beyond predetermined normal field of views and displays distinctive spatial relations on a sphere. However, previous benchmark tasks for panoramic videos are still limited to evaluate the semantic unde…

Cited by 99PDFcodeScholar
2021

Parameter Efficient Multimodal Transformers for Video Representation Learning

ICLR 2021poster

The recent success of Transformers in the language domain has motivated adapting it to a multimodal setting, where a new visual model is trained in tandem with an already pretrained language model. However, due to the excessive memory requirements from Transformers, existing work typically fixes the…

Cited by 94SourcePDFScholar
2021

Transitional Adaptation of Pretrained Models for Visual Storytelling

CVPR 2021poster

Previous models for vision-to-language generation tasks usually pretrain a visual encoder and a language generator in the respective domains and jointly finetune them with the target task. However, this direct transfer practice may suffer from the discord between visual specificity and language flue…

Cited by 40PDFcodeScholar
2020

Character Grounding and Re-Identification in Story of Videos and Text Descriptions

ECCV 2020poster

We address character grounding and re-identification in multiple story-based videos like movies and associated text descriptions. In order to solve these related tasks in a mutually rewarding way, we propose a model named Character in Story Identification Network (CiSIN). Our method builds two seman…

2018

A Memory Network Approach for Story-Based Temporal Summarization of 360° Videos

CVPR 2018poster

We address the problem of story-based temporal summarization of long 360° videos. We propose a novel memory network model named Past-Future Memory Network (PFMN), in which we first compute the scores of 81 normal field of view (NFOV) region proposals cropped from the input 360° video, and then recov…

Cited by 85SourcePDFScholar
2017

End-To-End Concept Word Detection for Video Captioning, Retrieval, and Question Answering

CVPR 2017spotlight

We propose a high-level concept word detector that can be integrated with any video-to-language models. It takes a video as input and generates a list of concept words as useful semantic priors for language generation models. The proposed word detector has two important properties. First, it does no…

Cited by 273PDFScholar
2017

Supervising Neural Attention Models for Video Captioning by Human Gaze Data

CVPR 2017poster

The attention mechanisms in deep neural networks are inspired by human's attention that sequentially focuses on the most relevant parts of the information over time to generate prediction output. The attention parameters in those models are implicitly trained in an end-to-end manner, yet there have…

Cited by 91PDFScholar
2017

TGIF-QA: Toward Spatio-Temporal Reasoning in Visual Question Answering

CVPR 2017spotlight

Vision and language understanding has emerged as a subject undergoing intense study in Artificial Intelligence. Among many tasks in this line of research, visual question answering (VQA) has been one of the most successful ones, where the goal is to learn a model that understands visual content at r…

Cited by 676PDFScholar