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Xin Xia

29 accepted papers

2026

Does Your Reasoning Model Implicitly Know When to Stop Thinking?

ICML 2026poster

Recent advancements in large reasoning models (LRMs) have greatly improved their capabilities on complex reasoning tasks through Long Chains of Thought (CoTs). However, this approach often results in substantial redundancy, impairing computational efficiency and causing significant delays in real-ti…

Cited by 0SourceScholar
2026

EchoAttention: Exploiting Token-Pair Redundancy and Frame-Block Similarity for Efficient Long Video Generation

ICML 2026poster

Diffusion Transformers (DiTs) are increasingly adopted for long-video generation, yet inference is dominated by the quadratic cost of 3D full attention. Sparse attention mitigates this bottleneck by exploiting *token-pair redundancy* and pruning query-key interactions. Nevertheless, its effectivenes…

Cited by 0SourceScholar
2026

Real-Time Aligned Reward Model beyond Semantics

ICML 2026poster

Reinforcement Learning from Human Feedback (RLHF) is a pivotal technique for aligning large language models (LLMs) with human preferences, yet it is susceptible to reward overoptimization, in which policy models overfit to the reward model, exploit spurious reward patterns instead of faithfully capt…

Cited by 0SourceScholar
2025

Adversarial Distribution Matching for Diffusion Distillation Towards Efficient Image and Video Synthesis

ICCV 2025poster

Distribution Matching Distillation (DMD) is a promising score distillation technique that compresses pre-trained teacher diffusion models into efficient one-step or multi-step student generators.Nevertheless, its reliance on the reverse Kullback-Leibler (KL) divergence minimization potentially induc…

Cited by 0SourcePDFScholar
2025

Autoregressive Adversarial Post-Training for Real-Time Interactive Video Generation

NeurIPS 2025poster

Existing large-scale video generation models are computationally intensive, preventing adoption in real-time and interactive applications. In this work, we propose autoregressive adversarial post-training (AAPT) to turn a pre-trained latent video diffusion model into a real-time, interactive, stream…

Cited by 0SourceScholar
2025

CooPre: Cooperative Pretraining for V2X Cooperative Perception

IROS 2025

Existing Vehicle-to-Everything (V2X) cooperative perception methods rely on accurate multi-agent 3D annotations. Nevertheless, it is time-consuming and expensive to collect and annotate real-world data, especially for V2X systems. In this paper, we present a self-supervised learning framwork for V2X

Cited by 12SourcecodeScholar
2025

Dense2MoE: Restructuring Diffusion Transformer to MoE for Efficient Text-to-Image Generation

ICCV 2025poster

Diffusion Transformer (DiT) has demonstrated remarkable performance in text-to-image generation; however, its large parameter size results in substantial inference overhead. Existing parameter compression methods primarily focus on pruning, but aggressive pruning often leads to severe performance de…

Cited by 0SourcePDFScholar
2025

Diffusion Adversarial Post-Training for One-Step Video Generation

ICML 2025poster

The diffusion models are widely used for image and video generation, but their iterative generation process is slow and expansive. While existing distillation approaches have demonstrated the potential for one-step generation in the image domain, they still suffer from significant quality degradatio…

Cited by 10SourcePDFScholar
2025

LABridge: Text–Image Latent Alignment Framework via Mean-Conditioned OU Process

NeurIPS 2025spotlight

Diffusion models have emerged as state‑of‑the‑art in image synthesis.However, it often suffer from semantic instability and slow iterative denoising. We introduce Latent Alignment Framework (LABridge), a novel Text–Image Latent Alignment Framework via an Ornstein–Uhlenbeck (OU) Process, which explic…

Cited by 0SourceScholar
2025

RayFlow: Instance-Aware Diffusion Acceleration via Adaptive Flow Trajectories

CVPR 2025poster

Diffusion models have achieved remarkable success across various domains. However, their slow generation speed remains a critical challenge. Existing acceleration methods, while aiming to reduce steps, often compromise sample quality, controllability, or introduce training complexities. Therefore, w…

Cited by 1SourcePDFScholar
2025

ResAdapter: Domain Consistent Resolution Adapter for Diffusion Models

AAAI 2025technical

Recent advancement in text-to-image models and corresponding personalized technologies enables individuals to generate high-quality and imaginative images. However, they often suffer from limitations when generating images with resolutions outside of their trained domain. To overcome this limitation…

2025

V2XPnP: Vehicle-to-Everything Spatio-Temporal Fusion for Multi-Agent Perception and Prediction

ICCV 2025poster

Vehicle-to-everything (V2X) technologies offer a promising paradigm to mitigate the limitations of constrained observability in single-vehicle systems. Prior work primarily focuses on single-frame cooperative perception, which fuses agents' information across different spatial locations but ignores…

2025

VarFlow: Proper Scoring-Rule Diffusion Distillation via Energy Matching

NeurIPS 2025poster

**Diffusion models** achieve remarkable generative performance but are hampered by slow, iterative inference. Model distillation seeks to train a fast student generator. **Variational Score Distillation (VSD)** offers a principled KL-divergence minimization framework for this task. This method cleve…

Cited by 0SourceScholar
2025

Vision Mamba-Based Approach for Incomplete Boundary Document Image Rectification

ICASSP 2025accepted

Capturing document images using handheld mobile devices often results in geometric deformations, which adversely affect the accuracy of Optical Character Recognition (OCR) and document understanding. However, existing transformer-based methods face significant computational costs when processing doc…

Cited by 0SourceScholar
2024

"ByteEdit: Boost, Comply and Accelerate Generative Image Editing"

ECCV 2024poster

"Recent advancements in diffusion-based generative image editing have sparked a profound revolution, reshaping the landscape of image outpainting and inpainting tasks. Despite these strides, the field grapples with inherent challenges, including: i) inferior quality; ii) poor consistency; iii) insuf…

Cited by 6SourcePDFScholar
2024

AS-LIO: Spatial Overlap Guided Adaptive Sliding Window LiDAR-Inertial Odometry for Aggressive FOV Variation

IROS 2024poster

LiDAR-Inertial Odometry (LIO) demonstrates outstanding accuracy and stability in general low-speed and smooth motion scenarios. However, in high-speed and intense motion scenarios, such as sharp turns, two primary challenges arise: firstly, due to the limitations of IMU frequency, the error in estim…

Cited by 3SourceScholar
2024

Hyper-SD: Trajectory Segmented Consistency Model for Efficient Image Synthesis

NeurIPS 2024poster

Recently, a series of diffusion-aware distillation algorithms have emerged to alleviate the computational overhead associated with the multi-step inference process of Diffusion Models (DMs). Current distillation techniques often dichotomize into two distinct aspects: i) ODE Trajectory Preservation;…

Cited by 42SourcePDFScholar
2024

UniFL: Improve Latent Diffusion Model via Unified Feedback Learning

NeurIPS 2024poster

Latent diffusion models (LDM) have revolutionized text-to-image generation, leading to the proliferation of various advanced models and diverse downstream applications. However, despite these significant advancements, current diffusion models still suffer from several limitations, including inferior…

Cited by 1SourcePDFScholar
2024

V2X-Real: a Largs-Scale Dataset for Vehicle-to-Everything Cooperative Perception

ECCV 2024poster

"Recent advancements in Vehicle-to-Everything (V2X) technologies have enabled autonomous vehicles to share sensing information to see through occlusions, greatly boosting the perception capability. However, there are no real-world datasets to facilitate the real V2X cooperative perception research –…

2023

V2V4Real: A Real-World Large-Scale Dataset for Vehicle-to-Vehicle Cooperative Perception

CVPR 2023highlight

Modern perception systems of autonomous vehicles are known to be sensitive to occlusions and lack the capability of long perceiving range. It has been one of the key bottlenecks that prevents Level 5 autonomy. Recent research has demonstrated that the Vehicle-to-Vehicle (V2V) cooperative perception…

2023

V2XP-ASG: Generating Adversarial Scenes for Vehicle-to-Everything Perception

ICRA 2023poster

Recent advancements in Vehicle-to-Everything communication technology have enabled autonomous vehicles to share sensory information to obtain better perception performance. With the rapid growth of autonomous vehicles and intelligent infrastructure, the V2X perception systems will soon be deployed a…

Cited by 48SourcecodeScholar
2022

OPV2V: An Open Benchmark Dataset and Fusion Pipeline for Perception with Vehicle-to-Vehicle Communication

ICRA 2022poster

Employing Vehicle-to-Vehicle communication to enhance perception performance in self-driving technology has attracted considerable attention recently; however, the absence of a suitable open dataset for benchmarking algorithms has made it difficult to develop and assess cooperative perception techno…

Cited by 487SourcecodeScholar
2022

Reconciling Cognitive Modeling with Knowledge Forgetting: A Continuous Time-aware Neural Network Approach

IJCAI 2022poster

As an emerging technology of computer-aided education, cognitive modeling aims at discovering the knowledge proficiency or learning ability of students, which can enable a wide range of intelligent educational applications. While considerable efforts have been made in this direction, a long-standing…

2022

V2X-ViT: Vehicle-to-Everything Cooperative Perception with Vision Transformer

ECCV 2022poster

"In this paper, we investigate the application of Vehicle-to-Everything (V2X) communication to improve the perception performance of autonomous vehicles. We present a robust cooperative perception framework with V2X communication using a novel vision Transformer. Specifically, we build a holistic at…

2021

Self-Supervised Hypergraph Convolutional Networks for Session-based Recommendation

AAAI 2021technical

Session-based recommendation (SBR) focuses on next-item prediction at a certain time point. As user profiles are generally not available in this scenario, capturing the user intent lying in the item transitions plays a pivotal role. Recent graph neural networks (GNNs) based SBR methods regard the it…

2019

Circulant Binary Convolutional Networks: Enhancing the Performance of 1-Bit DCNNs With Circulant Back Propagation

CVPR 2019poster

The rapidly decreasing computation and memory cost has recently driven the success of many applications in the field of deep learning. Practical applications of deep learning in resource-limited hardware, such as embedded devices and smart phones, however, remain challenging. For binary convolutiona…

Cited by 94PDFScholar