← Search

Xu Guo

23 accepted papers

2026

AnomSeer: Reinforcing Multimodal LLMs to Reason for Time-Series Anomaly Detection

ICML 2026poster

Time-series anomaly detection (TSAD) with multimodal large language models (MLLMs) is an emerging area, yet a persistent challenge remains: MLLMs rely on coarse time-series heuristics but struggle with multi-dimensional, detailed reasoning, which is vital for understanding complex time-series data. …

Cited by 0SourceScholar
2026

Consensus Entropy: Harnessing Multi-VLM Agreement for Self-Verifying and Self-Improving OCR

CVPR 2026

Optical Character Recognition (OCR) is fundamental to Vision-Language Models (VLMs) and high-quality data generation for LLM training. Yet, despite progress in average OCR accuracy, state-of-the-art VLMs still struggle with detecting sample-level errors and lack effective unsupervised quality contro

Cited by 0SourcecodeScholar
2026

DreamID-Omni: Unified Framework for Controllable Human-Centric Audio-Video Generation

ICML 2026poster

Recent advancements in foundation models have revolutionized joint audio-video generation. However, existing approaches typically treat human-centric tasks including reference-based audio-video generation (R2AV), video editing (RV2AV) and audio-driven video animation (RA2V) as isolated objectives. F…

Cited by 0SourceScholar
2026

From Detection to Association: Learning Discriminative Object Embeddings for Multi-Object Tracking

CVPR 2026

End-to-end multi-object tracking (MOT) methods have recently achieved remarkable progress by unifying detection and association within a single framework. Despite their strong detection performance, these methods suffer from relatively low association accuracy. Through detailed analysis, we observe

Cited by 0SourcecodeScholar
2026

Mixture Prototype Flow Matching for Open-Set Supervised Anomaly Detection

ICML 2026poster

Open-set supervised anomaly detection (OSAD) aims to identify unseen anomalies using limited anomalous supervision. However, existing prototype-based methods typically model normal data via a unimodal Gaussian prior, failing to capture inherent multi-modality and resulting in blurred decision bounda…

Cited by 0SourceScholar
2026

Reasoning Compartmentalization: Bridging the Concretization Gap via Abstraction-based Routing

ICML 2026poster

While previous research has documented the sensitivity of Large Language Models (LLMs) to surface-level performance degradation, the underlying impact on internal representations and learning dynamics remains under-explored. In this work, we study this question using a controlled setup with paired r…

Cited by 0SourceScholar
2026

X2Edit: Revisiting Arbitrary-Instruction Image Editing Through Self-Constructed Data and Task-Aware Representation Learning

AAAI 2026technical

Existing open-source datasets for arbitrary-instruction image editing remain suboptimal, while a plug-and-play editing module compatible with community-prevalent generative models is notably absent. In this paper, we first introduce the X2Edit Dataset, a comprehensive dataset covering 14 diverse edi

Cited by 0SourcePDFScholar
2025

Distribution Prototype Diffusion Learning for Open-set Supervised Anomaly Detection

CVPR 2025poster

In Open-set Supervised Anomaly Detection (OSAD), the existing methods typically generate pseudo anomalies to compensate for the scarcity of observed anomaly samples, while overlooking critical priors of normal samples, leading to less effective discriminative boundaries. To address this issue,…

Cited by 0SourcePDFScholar
2025

M3Rec: Selective State Space Models with Mixture-of-Modality Experts for Multi-Modal Sequential Recommendation

ICASSP 2025accepted

The rapid growth of multimedia-sharing platforms drives the development of recommender systems. While traditional ID-based methods for mining user behavior signals are well-studied, research into multimodal sequential recommendation remains nascent. Current approaches face three critical challenges:…

Cited by 0SourceScholar
2025

Multi-clue Consistency Learning to Bridge Gaps Between General and Oriented Object in Semi-supervised Detection

AAAI 2025technical

While existing semi-supervised object detection (SSOD) methods perform well in general scenes, they encounter challenges in handling oriented objects in aerial images. We experimentally find three gaps between general and oriented object detection in semi-supervised learning: 1) Sampling inconsist…

2025

Slim-SC: Thought Pruning for Efficient Scaling with Self-Consistency

EMNLP 2025

Recently, Test-Time Scaling (TTS) has gained increasing attention for improving LLM reasoning performance at test time without retraining the model. A notable TTS technique is Self-Consistency (SC), which generates multiple reasoning chains in parallel and selects the final answer via majority votin

Cited by 0SourcePDFScholar
2025

X2I: Seamless Integration of Multimodal Understanding into Diffusion Transformer via Attention Distillation

ICCV 2025poster

Text-to-image (T2I) models are well known for their ability to produce highly realistic images, while multimodal large language models (MLLMs) are renowned for their proficiency in understanding and integrating multiple modalities. However, currently there is no straightforward and efficient framewo…

2024

A Survey on Natural Language Counterfactual Generation

EMNLP 2024finding

Natural language counterfactual generation aims to minimally modify a given text such that the modified text will be classified into a different class. The generated counterfactuals provide insight into the reasoning behind a model’s predictions by highlighting which words significantly influence th…

2024

Breaking Semantic Artifacts for Generalized AI-generated Image Detection

NeurIPS 2024poster

With the continuous evolution of AI-generated images, the generalized detection of them has become a crucial aspect of AI security. Existing detectors have focused on cross-generator generalization, while it remains unexplored whether these detectors can generalize across different image scenes, e.…

2024

PairCFR: Enhancing Model Training on Paired Counterfactually Augmented Data through Contrastive Learning

ACL 2024long

Counterfactually Augmented Data (CAD) involves creating new data samples by applying minimal yet sufficient modifications to flip the label of existing data samples to other classes. Training with CAD enhances model robustness against spurious features that happen to correlate with labels by spreadi…

2024

RevMUX: Data Multiplexing with Reversible Adapters for Efficient LLM Batch Inference

EMNLP 2024main

Large language models (LLMs) have brought a great breakthrough to the natural language processing (NLP) community, while leading the challenge of handling concurrent customer queries due to their high throughput demands. Data multiplexing addresses this by merging multiple inputs into a single compo…

2024

Robust group and simultaneous inferences for high-dimensional single index model

NeurIPS 2024poster

The high-dimensional single index model (SIM), which assumes that the response is independent of the predictors given a linear combination of predictors, has drawn attention due to its flexibility and interpretability, but its efficiency is adversely affected by outlying observations and heavy-taile…

Cited by 2SourcePDFScholar
2023

InteMATs: Integrating Granularity-Specific Multilingual Adapters for Cross-Lingual Transfer

EMNLP 2023long findings

Multilingual language models (MLLMs) have achieved remarkable success in various cross-lingual transfer tasks. However, they suffer poor performance in zero-shot low-resource languages, particularly when dealing with longer contexts. Existing research mainly relies on full-model fine-tuning on large…

Cited by 0SourceScholar
2021

Latent-Optimized Adversarial Neural Transfer for Sarcasm Detection

NAACL 2021long

The existence of multiple datasets for sarcasm detection prompts us to apply transfer learning to exploit their commonality. The adversarial neural transfer (ANT) framework utilizes multiple loss terms that encourage the source-domain and the target-domain feature distributions to be similar while o…