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Ziyu Guo

36 accepted papers

2026

Dissecting Embodied Abilities in Multimodal Language Models through Skill-level Evaluation and Diagnosis

ICML 2026poster

Understanding the capability bottlenecks of embodied multimodal large language models (MLLMs) is crucial for improvement. However, existing embodied benchmarks fail to provide actionable insights because they focus on task-level evaluation rather than discovering capability bottlenecks. To address t…

Cited by 0SourceScholar
2026

Exploring the Potential of Encoder-free Architectures in 3D LMMs

ICLR 2026poster

Encoder-free architectures have been preliminarily explored in the 2D Large Multimodal Models (LMMs), yet it remains an open question whether they can be effectively applied to 3D understanding scenarios. In this paper, we present the first comprehensive investigation into the potential of encoder-f…

Cited by 0SourcecodeScholar
2026

LaST$_{0}$: Latent Spatio-Temporal Chain-of-Thought for Robotic Vision-Language-Action Model

ICML 2026spotlight

Vision-Language-Action (VLA) models have recently shown strong generalization, with some approaches seeking to explicitly generate linguistic reasoning traces or predict future observations prior to execution. However, explicit reasoning typically incurs non-negligible inference latency, which const…

Cited by 0SourceScholar
2026

MME-Emotion: A Holistic Evaluation Benchmark for Emotional Intelligence in Multimodal Large Language Models

ICLR 2026poster

Recent advances in multimodal large language models (MLLMs) have catalyzed transformative progress in affective computing, enabling models to exhibit emergent emotional intelligence. Despite substantial methodological progress, current emotional benchmarks remain limited, as it is still unknown: (a)…

Cited by 0SourcecodeScholar
2026

Plan in Sandbox, Navigate in Open Worlds: Learning Physics-Grounded Abstracted Experience for Embodied Navigation

ICML 2026poster

Vision-Language Models (VLMs) have demonstrated exceptional general reasoning capabilities. However, their performance in embodied navigation remains hindered by a scarcity of aligned open-world vision and robot control data. Despite simulators providing a cost-effective alternative for data collect…

Cited by 0SourceScholar
2026

Thinking-while-Generating: Interleaving Textual Reasoning throughout Visual Generation

CVPR 2026

Recent advances in visual generation have increasingly explored the integration of reasoning capabilities. They incorporate textual reasoning, i.e., think, either before (as pre-planning) or after (as post-refinement) the generation process, yet they lack on-the-fly multimodal interaction during the

Cited by 0SourcecodeScholar
2026

Unifying Diffusion and Autoregression for Generalizable Vision-Language-Action Model

ICLR 2026poster

A central objective of manipulation policy design is to enable robots to comprehend human instructions and predict generalized actions in unstructured environments. Recent autoregressive vision-language-action (VLA) approaches discretize actions into bins to exploit the pretrained reasoning and gene…

Cited by 0SourceScholar
2025

Adaptive Classifier-Free Guidance via Dynamic Low-Confidence Masking

NeurIPS 2025poster

Classifier-Free Guidance (CFG) significantly enhances controllability in generative models by interpolating conditional and unconditional predictions. However, standard CFG often employs a static unconditional input, which can be suboptimal for iterative generation processes where model uncertainty…

Cited by 0SourcecodeScholar
2025

Delving into RL for Image Generation with CoT: A Study on DPO vs. GRPO

NeurIPS 2025poster

Recent advancements underscore the significant role of Reinforcement Learning (RL) in enhancing the Chain-of-Thought (CoT) reasoning capabilities of large language models (LLMs). Two prominent RL algorithms, Direct Preference Optimization (DPO) and Group Relative Policy Optimization (GRPO), are cent…

Cited by 0SourcecodeScholar
2025

EchoTraffic: Enhancing Traffic Anomaly Understanding with Audio-Visual Insights

CVPR 2025poster

Traffic Anomaly Understanding (TAU) is essential for improving public safety and transportation efficiency by enabling timely detection and response to incidents. Beyond existing methods, which rely largely on visual data, we propose to consider audio cues, a valuable source that offers strong hints…

2025

Less is More: Improving Motion Diffusion Models with Sparse Keyframes

ICCV 2025poster

Recent advances in motion diffusion models have led to remarkable progress in diverse motion generation tasks, including text-to-motion synthesis.However, existing approaches represent motions as dense frame sequences, requiring the model to process redundant or less informative frames.The processin…

Cited by 0SourcePDFScholar
2025

Let's Verify and Reinforce Image Generation Step by Step

CVPR 2025poster

Chain-of-Thought (CoT) reasoning has been extensively explored in large models to tackle complex understanding tasks. However, it still remains an open question whether such strategies can be applied to verifying and reinforcing image generation scenarios. In this paper, we provide the first compreh…

2025

LiDAR-LLM: Exploring the Potential of Large Language Models for 3D LiDAR Understanding

AAAI 2025technical

Recently, Large Language Models (LLMs) and Multimodal Large Language Models (MLLMs) have shown promise in instruction following and image understanding. While these models are powerful, they have not yet been developed to comprehend the more challenging 3D geometric and physical scenes, especially w…

2025

MAVIS: Mathematical Visual Instruction Tuning with an Automatic Data Engine

ICLR 2025poster

Multi-modal Large Language Models (MLLMs) have recently showcased superior proficiency in general visual scenarios. However, we identify their mathematical capabilities remain under-explored with three areas to be improved: visual encoding of math diagrams, diagram-language alignment, and chain-of-t…

2025

MM-Mixing: Multi-Modal Mixing Alignment for 3D Understanding

AAAI 2025technical

We introduce MM-Mixing, a multi-modal mixing alignment framework for 3D understanding. MM-Mixing applies mixing-based methods to multi-modal data, preserving and optimizing cross-modal connections while enhancing diversity and improving alignment across modalities. Our proposed two-stage training pi…

Cited by 0SourcePDFScholar
2025

MME-CoT: Benchmarking Chain-of-Thought in Large Multimodal Models for Reasoning Quality, Robustness, and Efficiency

ICML 2025poster

Answering questions with Chain-of-Thought (CoT) has significantly enhanced the reasoning capabilities of Large Language Models (LLMs), yet its impact on Large Multimodal Models (LMMs) still lacks a systematic assessment and in-depth investigation. In this paper, we introduce **MME-CoT**, a specializ…

Cited by 0SourcePDFScholar
2025

MMSearch: Unveiling the Potential of Large Models as Multi-modal Search Engines

ICLR 2025poster

The advent of Large Language Models (LLMs) has paved the way for AI search engines, e.g., SearchGPT, showcasing a new paradigm in human-internet interaction. However, most current AI search engines are limited to text-only settings, neglecting the multimodal user queries and the text-image interleav…

Cited by 0SourcePDFScholar
2025

Perceive Anything: Recognize, Explain, Caption, and Segment Anything in Images and Videos

NeurIPS 2025poster

We present Perceive Anything Model (PAM), a conceptually straightforward and efficient framework for comprehensive region-level visual understanding in images and videos. Our approach extends the powerful segmentation model SAM 2 by integrating Large Language Models (LLMs), enabling simultaneous obj…

Cited by 0SourceScholar
2025

SciVerse: Unveiling the Knowledge Comprehension and Visual Reasoning of LMMs on Multi-modal Scientific Problems

ACL 2025finding

The rapid advancement of Large Multi-modal Models (LMMs) has enabled their application in scientific problem-solving, yet their fine-grained capabilities remain under-explored. In this paper, we introduce SciVerse, a multi-modal scientific evaluation benchmark to thoroughly assess LMMs across 5,735…

2025

StyleMotif: Multi-Modal Motion Stylization using Style-Content Cross Fusion

ICCV 2025poster

We present StyleMotif, a novel Stylized Motion Latent Diffusion model, generating motion conditioned on both content and style from multiple modalities. Unlike existing approaches that either focus on generating diverse motion content or transferring style from sequences, StyleMotif seamlessly synth…

2025

T2I-R1: Reinforcing Image Generation with Collaborative Semantic-level and Token-level CoT

NeurIPS 2025poster

Recent advancements in large language models have demonstrated how chain-of-thought (CoT) and reinforcement learning (RL) can improve performance. However, applying such reasoning strategies to the visual generation domain remains largely unexplored. In this paper, we present **T2I-R1**, a novel rea…

Cited by 0SourcecodeScholar
2025

UniCTokens: Boosting Personalized Understanding and Generation via Unified Concept Tokens

NeurIPS 2025poster

Personalized models have demonstrated remarkable success in understanding and generating concepts provided by users. However, existing methods use separate concept tokens for understanding and generation, treating these tasks in isolation. This may result in limitations for generating images with co…

Cited by 0SourcecodeScholar
2025

What We Miss Matters: Learning from the Overlooked in Point Cloud Transformers

NeurIPS 2025poster

Point Cloud Transformers have become a cornerstone in 3D representation for their ability to model long-range dependencies via self-attention. However, these models tend to overemphasize salient regions while neglecting other informative regions, which limits feature diversity and compromises robust…

Cited by 0SourceScholar
2024

LLM-Assisted Multi-Teacher Continual Learning for Visual Question Answering in Robotic Surgery

ICRA 2024poster

Visual question answering (VQA) can be fundamentally crucial for promoting robotic-assisted surgical education. In practice, the needs of trainees are constantly evolving, such as learning more surgical types and adapting to new surgical instruments/techniques. Therefore, continually updating the VQ…

Cited by 17SourcecodeScholar
2024

MathVerse: Does Your Multi-modal LLM Truly See the Diagrams in Visual Math Problems?

ECCV 2024poster

"The remarkable progress of Multi-modal Large Language Models (MLLMs) has gained unparalleled attention. However, their capabilities in visual math problem-solving remain insufficiently evaluated and understood. We investigate current benchmarks to incorporate excessive visual content within textual…

2024

No Time to Train: Empowering Non-Parametric Networks for Few-shot 3D Scene Segmentation

CVPR 2024highlight

To reduce the reliance on large-scale datasets recent works in 3D segmentation resort to few-shot learning. Current 3D few-shot segmentation methods first pre-train models on 'seen' classes and then evaluate their generalization performance on 'unseen' classes. However the prior pre-training stage n…

2024

Personalize Segment Anything Model with One Shot

ICLR 2024poster

Driven by large-data pre-training, Segment Anything Model (SAM) has been demonstrated as a powerful promptable framework, revolutionizing the segmentation field. Despite the generality, customizing SAM for specific visual concepts without man-powered prompting is under-explored, e.g., automatically…

2024

Referred by Multi-Modality: A Unified Temporal Transformer for Video Object Segmentation

AAAI 2024technical

Recently, video object segmentation (VOS) referred by multi-modal signals, e.g., language and audio, has evoked increasing attention in both industry and academia. It is challenging for exploring the semantic alignment within modalities and the visual correspondence across frames. However, existing…

2024

X-former Elucidator: Reviving Efficient Attention for Long Context Language Modeling

IJCAI 2024poster

Transformer-based LLMs are becoming increasingly important in various AI applications. However, apart from the success of LLMs, the explosive demand of long context handling capabilities is a key and in-time problem for both academia and industry. Due to the limitations from the quadratic complexit…

Cited by 7SourcePDFScholar
2023

CALIP: Zero-Shot Enhancement of CLIP with Parameter-Free Attention

AAAI 2023technical

Contrastive Language-Image Pre-training (CLIP) has been shown to learn visual representations with promising zero-shot performance. To further improve its downstream accuracy, existing works propose additional learnable modules upon CLIP and fine-tune them by few-shot training sets. However, the res…

2023

Joint-MAE: 2D-3D Joint Masked Autoencoders for 3D Point Cloud Pre-training

IJCAI 2023poster

Masked Autoencoders (MAE) have shown promising performance in self-supervised learning for both 2D and 3D computer vision. However, existing MAE-style methods can only learn from the data of a single modality, i.e., either images or point clouds, which neglect the implicit semantic and geometric cor…

Cited by 59SourcePDFScholar
2023

MonoDETR: Depth-guided Transformer for Monocular 3D Object Detection

ICCV 2023poster

Monocular 3D object detection has long been a challenging task in autonomous driving. Most existing methods follow conventional 2D detectors to first localize object centers, and then predict 3D attributes by neighboring features. However, only using local visual features is insufficient to understa…

Cited by 179PDFcodeScholar
2023

PointCLIP V2: Prompting CLIP and GPT for Powerful 3D Open-world Learning

ICCV 2023poster

Large-scale pre-trained models have shown promising open-world performance for both vision and language tasks. However, their transferred capacity on 3D point clouds is still limited and only constrained to the classification task. In this paper, we first collaborate CLIP and GPT to be a unified 3D…

Cited by 241PDFcodeScholar
2022

Point-M2AE: Multi-scale Masked Autoencoders for Hierarchical Point Cloud Pre-training

NeurIPS 2022accept

Masked Autoencoders (MAE) have shown great potentials in self-supervised pre-training for language and 2D image transformers. However, it still remains an open question on how to exploit masked autoencoding for learning 3D representations of irregular point clouds. In this paper, we propose Point-M2…

2022

PointCLIP: Point Cloud Understanding by CLIP

CVPR 2022poster

Recently, zero-shot and few-shot learning via Contrastive Vision-Language Pre-training (CLIP) have shown inspirational performance on 2D visual recognition, which learns to match images with their corresponding texts in open-vocabulary settings. However, it remains under explored that whether CLIP,…

Cited by 524PDFcodeScholar