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Yixin Chen

74 accepted papers

2026

DAG-MoE: From Simple Mixture to Structural Aggregation in Mixture-of-Experts

ICML 2026poster

Mixture-of-Experts (MoE) models have become a leading approach for decoupling parameter count from computational cost in large language models. Despite significant progress, effectively scaling MoE performance remains a challenge. Previous work shows that the use of fine-grained experts enlarges the…

Cited by 0SourceScholar
2026

Dynamic-dLLM: Dynamic Cache-Budget and Adaptive Parallel Decoding for Training-Free Acceleration of Diffusion LLM

ICLR 2026poster

Diffusion Large Language Models (dLLMs) offer a promising alternative to autoregressive models, excelling in text generation tasks due to their bidirectional attention mechanisms. However, their computational complexity, scaling as $\mathcal{O}(L^3)$ with sequence length $L$, poses significant chall…

Cited by 0SourcecodeScholar
2026

Efficient Reasoning with Balanced Thinking

ICLR 2026poster

Large Reasoning Models (LRMs) have shown remarkable reasoning capabilities, yet they often suffer from overthinking, expending redundant computational steps on simple problems, or underthinking, failing to explore sufficient reasoning paths despite inherent capabilities. These issues lead to ineffic…

Cited by 0SourcecodeScholar
2026

EgoProx: Evaluating MLLMs on Egocentric 3D Proximity Reasoning Across a Cognitive Hierarchy

CVPR 2026

Humans constantly reason about 3D proximity, the relations between their body and surrounding objects, to guide perception and action in daily life. Whether multimodal large language models (MLLMs) can perform such embodied 3D reasoning remains unclear. To this end, we introduce EgoProx, a benchmark

Cited by 0SourceScholar
2026

G4Splat: Geometry-Guided Gaussian Splatting with Generative Prior

ICLR 2026poster

Despite recent advances in leveraging generative prior from pre-trained diffusion models for 3D scene reconstruction, existing methods still face two critical limitations. First, due to the lack of reliable geometric supervision, they struggle to produce high-quality reconstructions even in observed…

Cited by 0SourcecodeScholar
2026

GALAX: Graph-Augmented Language Model for Explainable Reinforcement-Guided Subgraph Reasoning in Precision Medicine

ICLR 2026poster

In precision medicine, quantitative multi-omic features, topological context, and textual biological knowledge play vital roles in identifying disease-critical signaling pathways and targets, guiding the discovery of novel therapeutics and effective treatment strategies. Existing pipelines capture o…

Cited by 0SourcecodeScholar
2026

GaussianFluent: Gaussian Simulation for Dynamic Scenes with Mixed Materials

CVPR 2026

3D Gaussian Splatting (3DGS) has emerged as a prominent 3D representation for high-fidelity and real-time rendering. Prior work has coupled physics simulation with Gaussians, but predominantly targets soft, deformable materials, leaving brittle fracture largely unresolved. This stems from two key ob

Cited by 0SourceScholar
2026

Lifting Unlabeled Internet-level Data for 3D Scene Understanding

CVPR 2026

Annotated 3D scene data is scarce and expensive to acquire, while abundant unlabeled videos are readily available on the internet. In this paper, we demonstrate that carefully designed data engines can leverage web-curated, unlabeled videos to automatically generate training data, to facilitate end-

Cited by 0SourcecodeScholar
2026

NeuronCtrl: Geometry-Aware Safe Closed-Loop Generative Control for Neuronal Microenvironment Dynamics

ICML 2026spotlight

Neuromodulation can be viewed as closed-loop control of high-dimensional spatiotemporal fields on irregular 3D morphologies, coupling membrane electrophysiology with ionic reaction–diffusion. This view supports high-rate feedback and systematic in-silico evaluation, yet is difficult in practice. Unl…

Cited by 0SourceScholar
2026

Omni-Weather: Unified Multimodal Foundation Model for Weather Generation and Understanding

ICLR 2026poster

Weather modeling requires both accurate prediction and mechanistic interpretation, yet existing methods treat these goals in isolation, separating generation from understanding. To address this gap, we present Omni-Weather, the first multimodal foundation model that unifies weather generation and un…

Cited by 0SourcecodeScholar
2026

OptimSyn: Influence-Guided Rubrics Optimization for Synthetic Data Generation

ICLR 2026poster

Large language models (LLMs) achieve strong downstream performance largely due to abundant supervised fine-tuning (SFT) data that imparts problem-solving capabilities. However, as applications expand, high-quality SFT data in knowledge-intensive verticals (e.g., humanities and social sciences, medic…

Cited by 0SourceScholar
2026

UDAPose: Unsupervised Domain Adaptation for Low-Light Human Pose Estimation

CVPR 2026

Low-visibility scenarios, such as low-light conditions, pose significant challenges to human pose estimation due to the scarcity of annotated low-light datasets and the loss of visual information under poor illumination. Recent domain adaptation techniques attempt to utilize well-lit labels by augme

Cited by 0SourceScholar
2026

XSeg: A Large-scale X-ray Contraband Segmentation Benchmark For Real-World Security Screening

CVPR 2026

X-ray contraband detection is critical for public safety. However, current methods primarily rely on bounding box annotations, which limit model generalization and performance due to the lack of pixel-level supervision and real-world data. To address these limitations, we introduce XSeg. To the best

Cited by 0SourceScholar
2025

ASGS: Single-Domain Generalizable Open-Set Object Detection via Adaptive Subgraph Searching

ICCV 2025poster

Albeit existing Single-Domain Generalized Object Detection (Single-DGOD) methods enable models to generalize to unseen domains, most assume that the training and testing data share the same label space. In real-world scenarios, unseen domains often introduce previously unknown objects, a challenge t…

Cited by 0SourcePDFScholar
2025

Breaking Barriers: Combinatorial Algorithms for Non-Monotone Submodular Maximization with Sublinear Adaptivity and $1/e$ Approximation

ICML 2025poster

With the rapid growth of data in modern applications, parallel combinatorial algorithms for maximizing non-monotone submodular functions have gained significant attention. In the parallel computation setting, the state-of-the-art approximation ratio of $1/e$ is achieved by a continuous algorithm (En…

Cited by 0SourcePDFScholar
2025

Decompositional Neural Scene Reconstruction with Generative Diffusion Prior

CVPR 2025poster

Decompositional reconstruction of 3D scenes, with complete shapes and detailed texture of all objects within, is intriguing for downstream applications but remains challenging, particularly with sparse views as input. Recent approaches incorporate semantic or geometric regularization to address this…

2025

Dynamic Motion Blending for Versatile Motion Editing

CVPR 2025poster

Text-guided motion editing enables high-level semantic control and iterative modifications beyond traditional keyframe animation. Existing methods rely on limited pre-collected training triplets (original motion, edited motion, and instruction), which severely hinders their versatility in diverse ed…

Cited by 0SourcePDFScholar
2025

GOFA: A Generative One-For-All Model for Joint Graph Language Modeling

ICLR 2025poster

Foundation models, such as Large Language Models (LLMs) or Large Vision Models (LVMs), have emerged as one of the most powerful tools in the respective fields. However, unlike text and image data, graph data do not have a definitive structure, posing great challenges to developing a Graph Foundation…

2025

GWM: Towards Scalable Gaussian World Models for Robotic Manipulation

ICCV 2025poster

Training robot policies within a learned world model is trending due to the inefficiency of real-world interactions. The established image-based world models and policies have shown prior success, but lack robust geometric information that requires consistent spatial and physical understanding of th…

Cited by 0SourcePDFScholar
2025

InteractAnything: Zero-shot Human Object Interaction Synthesis via LLM Feedback and Object Affordance Parsing

CVPR 2025highlight

Recent advances in 3D human-aware generation have made significant progress. However, existing methods still struggle with generating novel Human Object Interaction (HOI) from text, particularly for open-set objects. We identify three main challenges of this task: precise human-object relation reaso…

Cited by 0SourcePDFScholar
2025

Large Language Model Meets Graph Neural Network in Knowledge Distillation

AAAI 2025technical

While Large Language Models (LLMs) show promise for Text-Attributed Graphs (TAGs) learning, their deployment is hindered by computational demands. Graph Neural Networks (GNNs) are efficient but struggle with TAGs' complex semantics. We propose LinguGKD, a novel LLM-to-GNN knowledge distillation fram…

Cited by 5SourcePDFScholar
2025

Learning system dynamics without forgetting

ICLR 2025poster

Observation-based trajectory prediction for systems with unknown dynamics is essential in fields such as physics and biology. Most existing approaches are limited to learning within a single system with fixed dynamics patterns. However, many real-world applications require learning across systems wi…

2025

MOVIS: Enhancing Multi-Object Novel View Synthesis for Indoor Scenes

CVPR 2025poster

Repurposing pre-trained diffusion models has been proven to be effective for NVS. However, these methods are mostly limited to a single object; directly applying such methods to compositional multi-object scenarios yields inferior results, especially incorrect object placement and inconsistent shape…

2025

Move to Understand a 3D Scene: Bridging Visual Grounding and Exploration for Efficient and Versatile Embodied Navigation

ICCV 2025poster

Embodied scene understanding requires not only comprehending visual-spatial information that has been observed but also determining where to explore next in the 3D physical world. Existing 3D Vision-Language (3D-VL) models primarily focus on grounding objects in static observations from 3D reconstru…

Cited by 0SourcePDFScholar
2025

SYNERGAI: Perception Alignment for Human-Robot Collaboration

ICRA 2025

Recently, large language models (LLMs) have shown strong potential in facilitating human-robotic interaction and collaboration. However, existing LLM-based systems often overlook the misalignment between human and robot perceptions, which hinders their effective communication and real-world robot de

Cited by 1SourceScholar
2025

TACO: Taming Diffusion for in-the-wild Video Amodal Completion

ICCV 2025poster

Humans can infer complete shapes and appearances of objects from limited visual cues, relying on extensive prior knowledge of the physical world. However, completing partially observable objects while ensuring consistency across video frames remains challenging for existing models, especially for un…

Cited by 0SourcePDFScholar
2025

Trace3D: Consistent Segmentation Lifting via Gaussian Instance Tracing

ICCV 2025poster

We address the challenge of lifting 2D visual segmentation to 3D in Gaussian Splatting. Existing methods often suffer from inconsistent 2D masks across viewpoints and produce noisy segmentation boundaries as they neglect these semantic cues to refine the learned Gaussians. To overcome this, we intro…

Cited by 0SourcePDFScholar
2024

Discretely beyond $1/e$: Guided Combinatorial Algortihms for Submodular Maximization

NeurIPS 2024poster

For constrained, not necessarily monotone submodular maximization, all known approximation algorithms with ratio greater than $1/e$ require continuous ideas, such as queries to the multilinear extension of a submodular function and its gradient, which are typically expensive to simulate with the ori…

Cited by 3SourcePDFScholar
2024

Move as You Say Interact as You Can: Language-guided Human Motion Generation with Scene Affordance

CVPR 2024highlight

Despite significant advancements in text-to-motion synthesis generating language-guided human motion within 3D environments poses substantial challenges. These challenges stem primarily from (i) the absence of powerful generative models capable of jointly modeling natural language 3D scenes and huma…

2024

One For All: Towards Training One Graph Model For All Classification Tasks

ICLR 2024spotlight

Designing a single model to address multiple tasks has been a long-standing objective in artificial intelligence. Recently, large language models have demonstrated exceptional capability in solving different tasks within the language domain. However, a unified model for various graph tasks remains u…

2024

Parameter-Efficient Multi-Task Model Fusion with Partial Linearization

ICLR 2024poster

Large pre-trained models have enabled significant advances in machine learning and served as foundation components. Model fusion methods, such as task arithmetic, have been proven to be powerful and scalable to incorporate fine-tuned weights from different tasks into a multi-task model. However, ef…

2024

PhyRecon: Physically Plausible Neural Scene Reconstruction

NeurIPS 2024poster

We address the issue of physical implausibility in multi-view neural reconstruction. While implicit representations have gained popularity in multi-view 3D reconstruction, previous work struggles to yield physically plausible results, limiting their utility in domains requiring rigorous physical acc…

Cited by 10SourcePDFScholar
2024

Rethinking the Power of Graph Canonization in Graph Representation Learning with Stability

ICLR 2024poster

The expressivity of Graph Neural Networks (GNNs) has been studied broadly in recent years to reveal the design principles for more powerful GNNs. Graph canonization is known as a typical approach to distinguish non-isomorphic graphs, yet rarely adopted when developing expressive GNNs. This paper pro…

Cited by 8SourcePDFScholar
2024

Revisiting Plasticity in Visual Reinforcement Learning: Data, Modules and Training Stages

ICLR 2024poster

Plasticity, the ability of a neural network to evolve with new data, is crucial for high-performance and sample-efficient visual reinforcement learning (VRL). Although methods like resetting and regularization can potentially mitigate plasticity loss, the influences of various components within the…

2024

Scaling Up Dynamic Human-Scene Interaction Modeling

CVPR 2024highlight

Confronting the challenges of data scarcity and advanced motion synthesis in human-scene interaction modeling we introduce the TRUMANS dataset alongside a novel HSI motion synthesis method. TRUMANS stands as the most comprehensive motion-captured HSI dataset currently available encompassing over 15…

Cited by 54SourcePDFScholar
2024

SceneVerse: Scaling 3D Vision-Language Learning for Grounded Scene Understanding

ECCV 2024poster

"3D vision-language (3dvl) grounding, which aims to align language with 3D physical environments, stands as a cornerstone in developing embodied agents. In comparison to recent advancements in the 2D domain, grounding language in 3D scenes faces two significant challenges: (i) the scarcity of paired…

Cited by 71SourcePDFScholar
2024

Sheared Backpropagation for Fine-tuning Foundation Models

CVPR 2024poster

Fine-tuning is the process of extending the training of pre-trained models on specific target tasks thereby significantly enhancing their performance across various applications. However fine-tuning often demands large memory consumption posing a challenge for low-memory devices that some previous m…

Cited by 1SourcePDFScholar
2024

SlotLifter: Slot-guided Feature Lifting for Learning Object-Centric Radiance Fields

ECCV 2024poster

"The ability to distill object-centric abstractions from intricate visual scenes underpins human-level generalization. Despite the significant progress in object-centric learning methods, learning object-centric representations in the 3D physical world remains a crucial challenge. In this work, we p…

Cited by 3SourcePDFScholar
2024

Unifying 3D Vision-Language Understanding via Promptable Queries

ECCV 2024poster

"A unified model for 3D vision-language (3D-VL) understanding is expected to take various scene representations and perform a wide range of tasks in a 3D scene. However, a considerable gap exists between existing methods and such a unified model, due to the independent application of representation…

Cited by 23SourcePDFScholar
2023

3D-VisTA: Pre-trained Transformer for 3D Vision and Text Alignment

ICCV 2023poster

3D vision-language grounding (3D-VL) is an emerging field that aims to connect the 3D physical world with natural language, which is crucial for achieving embodied intelligence. Current 3D-VL models rely heavily on sophisticated modules, auxiliary losses, and optimization tricks, which calls for a s…

Cited by 129PDFScholar
2023

CktGNN: Circuit Graph Neural Network for Electronic Design Automation

ICLR 2023poster

The electronic design automation of analog circuits has been a longstanding challenge in the integrated circuit field due to the huge design space and complex design trade-offs among circuit specifications. In the past decades, intensive research efforts have only been paid to automate the transisto…

2023

DASH: A Distributed and Parallelizable Algorithm for Size-Constrained Submodular Maximization

AAAI 2023technical

MapReduce (MR) algorithms for maximizing monotone, submodular functions subject to a cardinality constraint (SMCC) are currently restricted to the use of the linear-adaptive (non-parallelizable) algorithm GREEDY. Low-adaptive algorithms do not satisfy the requirements of these distributed MR framewo…

Cited by 5SourcePDFScholar
2023

Detecting Human-Object Contact in Images

CVPR 2023poster

Humans constantly contact objects to move and perform tasks. Thus, detecting human-object contact is important for building human-centered artificial intelligence. However, there exists no robust method to detect contact between the body and the scene from an image, and there exists no dataset to le…

2023

Extending the Design Space of Graph Neural Networks by Rethinking Folklore Weisfeiler-Lehman

NeurIPS 2023poster

Message passing neural networks (MPNNs) have emerged as the most popular framework of graph neural networks (GNNs) in recent years. However, their expressive power is limited by the 1-dimensional Weisfeiler-Lehman (1-WL) test. Some works are inspired by $k$-WL/FWL (Folklore WL) and design the corres…

2023

Full-Body Articulated Human-Object Interaction

ICCV 2023poster

Fine-grained capture of 3D Human-Object Interactions (HOIs) boosts human activity understanding and facilitates various downstream visual tasks. Prior models mostly assume that humans interact with rigid objects using only a few body parts, limiting their scope. In this paper, we address the challen…

Cited by 59PDFcodeScholar
2023

Improving Heterogeneous Model Reuse by Density Estimation

IJCAI 2023poster

This paper studies multiparty learning, aiming to learn a model using the private data of different participants. Model reuse is a promising solution for multiparty learning, assuming that a local model has been trained for each party. Considering the potential sample selection bias among different…

2023

Learning Context-Aware Classifier for Semantic Segmentation

AAAI 2023technical

Semantic segmentation is still a challenging task for parsing diverse contexts in different scenes, thus the fixed classifier might not be able to well address varying feature distributions during testing. Different from the mainstream literature where the efficacy of strong backbones and effective…

2023

MAG-GNN: Reinforcement Learning Boosted Graph Neural Network

NeurIPS 2023poster

While Graph Neural Networks (GNNs) recently became powerful tools in graph learning tasks, considerable efforts have been spent on improving GNNs' structural encoding ability. A particular line of work proposed subgraph GNNs that use subgraph information to improve GNNs' expressivity and achieved gr…

Cited by 20SourcePDFScholar
2023

Retrieval-Augmented Multiple Instance Learning

NeurIPS 2023poster

Multiple Instance Learning (MIL) is a crucial weakly supervised learning method applied across various domains, e.g., medical diagnosis based on whole slide images (WSIs). Recent advancements in MIL algorithms have yielded exceptional performance when the training and test data originate from the sa…

2022

Geodesic Graph Neural Network for Efficient Graph Representation Learning

NeurIPS 2022accept

Graph Neural Networks (GNNs) have recently been applied to graph learning tasks and achieved state-of-the-art (SOTA) results. However, many competitive methods run GNNs multiple times with subgraph extraction and customized labeling to capture information that is hard for normal GNNs to learn. Such…

2022

HUMANISE: Language-conditioned Human Motion Generation in 3D Scenes

NeurIPS 2022accept

Learning to generate diverse scene-aware and goal-oriented human motions in 3D scenes remains challenging due to the mediocre characters of the existing datasets on Human-Scene Interaction (HSI); they only have limited scale/quality and lack semantics. To fill in the gap, we propose a large-scale an…

2022

How Powerful are K-hop Message Passing Graph Neural Networks

NeurIPS 2022accept

The most popular design paradigm for Graph Neural Networks (GNNs) is 1-hop message passing---aggregating information from 1-hop neighbors repeatedly. However, the expressive power of 1-hop message passing is bounded by the Weisfeiler-Lehman (1-WL) test. Recently, researchers extended 1-hop message p…

2022

MAG+: An Extended Multimodal Adaptation Gate for Multimodal Sentiment Analysis

ICASSP 2022accepted

Human multimodal sentiment analysis is a challenging task that devotes to extract and integrate information from multiple resources, such as language, acoustic and visual information. Recently, multimodal adaptation gate (MAG), an attachment to transformer-based pre-trained language representation m…

Cited by 0SourceScholar
2022

PACE: A Parallelizable Computation Encoder for Directed Acyclic Graphs

ICML 2022spotlight

Optimization of directed acyclic graph (DAG) structures has many applications, such as neural architecture search (NAS) and probabilistic graphical model learning. Encoding DAGs into real vectors is a dominant component in most neural-network-based DAG optimization frameworks. Currently, most popula…

2021

Best of Both Worlds: Practical and Theoretically Optimal Submodular Maximization in Parallel

NeurIPS 2021poster

For the problem of maximizing a monotone, submodular function with respect to a cardinality constraint $k$ on a ground set of size $n$, we provide an algorithm that achieves the state-of-the-art in both its empirical performance and its theoretical properties, in terms of adaptive complexity, query…

2021

Deep Structured Instance Graph for Distilling Object Detectors

ICCV 2021poster

Effectively structuring deep knowledge plays a pivotal role in transfer from teacher to student, especially in semantic vision tasks. In this paper, we present a simple knowledge structure to exploit and encode information inside the detection system to facilitate detector knowledge distillation. Sp…

Cited by 18PDFcodeScholar
2021

Top-Down Attention in End-to-End Spoken Language Understanding

ICASSP 2021accepted

Spoken language understanding (SLU) is the task of inferring the semantics of spoken utterances. Traditionally, this has been achieved with a cascading combination of Automatic Speech Recognition (ASR) and Natural Language Understanding (NLU) modules that are optimized separately, which can lead to…

Cited by 0SourceScholar
2021

YouRefIt: Embodied Reference Understanding With Language and Gesture

ICCV 2021poster

We study the machine's understanding of embodied reference: One agent uses both language and gesture to refer to an object to another agent in a shared physical environment. Of note, this new visual task requires understanding multimodal cues with perspective-taking to identify which object is being…

Cited by 46PDFScholar
2020

Closed Loop Neural-Symbolic Learning via Integrating Neural Perception, Grammar Parsing, and Symbolic Reasoning

ICML 2020poster

The goal of neural-symbolic computation is to integrate the connectionist and symbolist paradigms. Prior methods learn the neural-symbolic models using reinforcement learning (RL) approaches, which ignore the error propagation in the symbolic reasoning module and thus converge slowly with sparse rew…

2020

DEPARA: Deep Attribution Graph for Deep Knowledge Transferability

CVPR 2020oral

Exploring the intrinsic interconnections between the knowledge encoded in PRe-trained Deep Neural Networks (PR-DNNs) of heterogeneous tasks sheds light on their mutual transferability, and consequently enables knowledge transfer from one task to another so as to reduce the training effort of the lat…

Cited by 36PDFcodeScholar
2020

LEMMA: A Multi-view Dataset for LEarning Multi-agent Multi-task Activities

ECCV 2020poster

The ability to understand and interpret human actions is a long-standing challenge and a critical indicator of perception in artificial intelligence. However, a few imperative components of daily human activities are largely missed in prior literature, including the goal-directed actions, concurrent…

2019

D-VAE: A Variational Autoencoder for Directed Acyclic Graphs

NeurIPS 2019poster

Graph structured data are abundant in the real world. Among different graph types, directed acyclic graphs (DAGs) are of particular interest to machine learning researchers, as many machine learning models are realized as computations on DAGs, including neural networks and Bayesian networks. In this…

2019

Deep Model Transferability from Attribution Maps

NeurIPS 2019poster

Exploring the transferability between heterogeneous tasks sheds light on their intrinsic interconnections, and consequently enables knowledge transfer from one task to another so as to reduce the training effort of the latter. In this paper, we propose an embarrassingly simple yet very efficacious a…

2019

Holistic++ Scene Understanding: Single-View 3D Holistic Scene Parsing and Human Pose Estimation With Human-Object Interaction and Physical Commonsense

ICCV 2019poster

We propose a new 3D holistic++ scene understanding problem, which jointly tackles two tasks from a single-view image: (i) holistic scene parsing and reconstruction---3D estimations of object bounding boxes, camera pose, and room layout, and (ii) 3D human pose estimation. The intuition behind is to l…

Cited by 145PDFScholar
2019

PerspectiveNet: 3D Object Detection from a Single RGB Image via Perspective Points

NeurIPS 2019poster

Detecting 3D objects from a single RGB image is intrinsically ambiguous, thus requiring appropriate prior knowledge and intermediate representations as constraints to reduce the uncertainties and improve the consistencies between the 2D image plane and the 3D world coordinate. To address this challe…

2015

Compressing Neural Networks with the Hashing Trick

ICML 2015poster

As deep nets are increasingly used in applications suited for mobile devices, a fundamental dilemma becomes apparent: the trend in deep learning is to grow models to absorb ever-increasing data set sizes; however mobile devices are designed with very little memory and cannot store such large models.…

Cited by 1494SourcePDFScholar
2015

Filtered Search for Submodular Maximization with Controllable Approximation Bounds

AISTATS 2015poster

Most existing submodular maximization algorithms provide theoretical guarantees with approximation bounds. However, in many cases, users may be interested in an anytime algorithm that can offer a flexible trade-off between computation time and optimality guarantees. In this paper, we propose a filte…

Cited by 18SourcePDFScholar