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Xingang Wang

24 accepted papers

2026

AG-VAS: Anchor-Guided Zero-Shot Visual Anomaly Segmentation with Large Multimodal Models

CVPR 2026

Large multimodal models (LMMs) exhibit strong task generalization capabilities, offering new opportunities for zero-shot visual anomaly segmentation (ZSAS). However, existing LMM-based segmentation approaches still face fundamental limitations: anomaly concepts are inherently abstract and context-de

Cited by 0SourcecodeScholar
2026

Motion-R1: Enhancing Motion Generation with Decomposed Chain-of-Thought and RL Binding

ICLR 2026poster

Text-to-Motion generation has become a fundamental task in human-machine interaction, enabling the synthesis of realistic human motions from natural language descriptions. Although recent advances in large language models and reinforcement learning have contributed to high-quality motion generation,…

Cited by 0SourceScholar
2026

Scalable Training for Vector-Quantized Networks with 100% Codebook Utilization

ICLR 2026poster

Vector quantization (VQ) is a key component in discrete tokenizers for image generation, but its training is often unstable due to straight-through estimation bias, one-step-behind updates, and sparse codebook gradients, which lead to suboptimal reconstruction performance and low codebook usage. In…

Cited by 0SourceScholar
2025

Bayesian Prompt Flow Learning for Zero-Shot Anomaly Detection

CVPR 2025poster

Recently, vision-language models (e.g. CLIP) have demonstrated remarkable performance in zero-shot anomaly detection (ZSAD). By leveraging auxiliary data during training, these models can directly perform cross-category anomaly detection on target datasets, such as detecting defects on industrial pr…

2025

DictAS: A Framework for Class-Generalizable Few-Shot Anomaly Segmentation via Dictionary Lookup

ICCV 2025poster

Recent vision-language models (e.g., CLIP) have demonstrated remarkable class-generalizable ability to unseen classes in few-shot anomaly segmentation (FSAS), leveraging supervised prompt learning or fine-tuning on seen classes. However, their cross-category generalization largely depends on prior k…

2025

DriveDreamer-2: LLM-Enhanced World Models for Diverse Driving Video Generation

AAAI 2025technical

World models have demonstrated superiority in autonomous driving, particularly in the generation of multi-view driving videos. However, significant challenges still exist in generating customized driving videos. In this paper, we propose DriveDreamer-2, which incorporates a Large Language Model (LLM…

Cited by 62SourcePDFScholar
2025

DriveDreamer4D: World Models Are Effective Data Machines for 4D Driving Scene Representation

CVPR 2025poster

Closed-loop simulation is essential for advancing end-to-end autonomous driving systems. Contemporary sensor simulation methods, such as NeRF and 3DGS, rely predominantly on conditions closely aligned with training data distributions, which are largely confined to forward-driving scenarios. Conseque…

Cited by 23SourcePDFScholar
2025

DynImg: Key Frames with Visual Prompts are Good Representation for Multi-Modal Video Understanding

ICCV 2025poster

In recent years, the introduction of Multi-modal Large Language Models (MLLMs) into video understanding tasks has become increasingly prevalent. However, how to effectively integrate temporal information remains a critical research focus. Traditional approaches treat spatial and temporal information…

Cited by 0SourcePDFScholar
2025

HumanDreamer: Generating Controllable Human-Motion Videos via Decoupled Generation

CVPR 2025poster

Human-motion video generation has been a challenging task, primarily due to the difficulty inherent in learning human body movements. While some approaches have attempted to drive human-centric video generation explicitly through pose control, these methods typically rely on poses derived from exist…

Cited by 2SourcePDFScholar
2025

ReconDreamer++: Harmonizing Generative and Reconstructive Models for Driving Scene Representation

ICCV 2025poster

Combining reconstruction models with generative models has emerged as a promising paradigm for closed-loop simulation in autonomous driving. For example, ReconDreamer has demonstrated remarkable success in rendering large-scale maneuvers. However, a significant gap remains between the generated data…

Cited by 0SourcePDFScholar
2025

ReconDreamer: Crafting World Models for Driving Scene Reconstruction via Online Restoration

CVPR 2025poster

Closed-loop simulation is crucial for end-to-end autonomous driving. Existing sensor simulation methods (e.g., NeRF and 3DGS) reconstruct driving scenes based on conditions that closely mirror training data distributions. However, these methods struggle with rendering novel trajectories, such as lan…

Cited by 11SourcePDFScholar
2025

Rethinking Lanes and Points in Complex Scenarios for Monocular 3D Lane Detection

CVPR 2025poster

Monocular 3D lane detection is a fundamental task in autonomous driving. Although sparse-point methods lower computational load and maintain high accuracy in complex lane geometries, current methods fail to fully leverage the geometric structure of lanes in both lane geometry representations and mod…

Cited by 0SourcePDFScholar
2024

DiffBEV: Conditional Diffusion Model for Bird’s Eye View Perception

AAAI 2024technical

BEV perception is of great importance in the field of autonomous driving, serving as the cornerstone of planning, controlling, and motion prediction. The quality of the BEV feature highly affects the performance of BEV perception. However, taking the noises in camera parameters and LiDAR scans into…

2024

Relevant Intrinsic Feature Enhancement Network for Few-Shot Semantic Segmentation

AAAI 2024technical

For few-shot semantic segmentation, the primary task is to extract class-specific intrinsic information from limited labeled data. However, the semantic ambiguity and inter-class similarity of previous methods limit the accuracy of pixel-level foreground-background classification. To alleviate these…

Cited by 16SourcePDFScholar
2023

Are We Ready for Vision-Centric Driving Streaming Perception? The ASAP Benchmark

CVPR 2023poster

In recent years, vision-centric perception has flourished in various autonomous driving tasks, including 3D detection, semantic map construction, motion forecasting, and depth estimation. Nevertheless, the latency of vision-centric approaches is too high for practical deployment (e.g., most camera-b…

2023

Crafting Monocular Cues and Velocity Guidance for Self-Supervised Multi-Frame Depth Learning

AAAI 2023technical

Self-supervised monocular methods can efficiently learn depth information of weakly textured surfaces or reflective objects. However, the depth accuracy is limited due to the inherent ambiguity in monocular geometric modeling. In contrast, multi-frame depth estimation methods improve depth accuracy…

2023

FreeSeg: Unified, Universal and Open-Vocabulary Image Segmentation

CVPR 2023poster

Recently, open-vocabulary learning has emerged to accomplish segmentation for arbitrary categories of text-based descriptions, which popularizes the segmentation system to more general-purpose application scenarios. However, existing methods devote to designing specialized architectures or parameter…

2023

HFT: Lifting Perspective Representations via Hybrid Feature Transformation for BEV Perception

ICRA 2023poster

Restoring an accurate Bird's Eye View (BEV) map plays a crucial role in the perception of autonomous driving. The existing works of lifting representations from frontal view to BEV can be classified into two categories, i.e., Camera model-Based Feature Transformation (CBFT) and Camera model-Free Fea…

Cited by 11SourceScholar
2023

OpenOccupancy: A Large Scale Benchmark for Surrounding Semantic Occupancy Perception

ICCV 2023poster

Semantic occupancy perception is essential for autonomous driving, as automated vehicles require a fine-grained perception of the 3D urban structures. However, existing relevant benchmarks lack diversity in urban scenes, and they only evaluate front-view predictions. Towards a comprehensive benchmar…

Cited by 177PDFcodeScholar
2022

Activation Modulation and Recalibration Scheme for Weakly Supervised Semantic Segmentation

AAAI 2022technical

Image-level weakly supervised semantic segmentation (WSSS) is a fundamental yet challenging computer vision task facilitating scene understanding and automatic driving. Most existing methods resort to classification-based Class Activation Maps (CAMs) to play as the initial pseudo labels, which tend…

2022

MVSTER: Epipolar Transformer for Efficient Multi-View Stereo

ECCV 2022poster

"Learning-based Multi-View Stereo (MVS) methods warp source images into the reference camera frustum to form 3D volumes, which are fused as a cost volume to be regularized by subsequent networks. The fusing step plays a vital role in bridging 2D semantics and 3D spatial associations. However, previo…

2022

Multi-Granularity Distillation Scheme towards Lightweight Semi-Supervised Semantic Segmentation

ECCV 2022poster

"Albeit with varying degrees of progress in the field of Semi-Supervised Semantic Segmentation, most of its recent successes are involved in unwieldy models and the lightweight solution is still not yet explored. We find that existing knowledge distillation techniques pay more attention to pixel-lev…

2020

Learning Dynamic Routing for Semantic Segmentation

CVPR 2020oral

Recently, numerous handcrafted and searched networks have been applied for semantic segmentation. However, previous works intend to handle inputs with various scales in pre-defined static architectures, such as FCN, U-Net, and DeepLab series. This paper studies a conceptually new method to alleviate…

Cited by 219PDFcodeScholar
2019

Attention-Guided Unified Network for Panoptic Segmentation

CVPR 2019poster

This paper studies panoptic segmentation, a recently proposed task which segments foreground (FG) objects at the instance level as well as background (BG) contents at the semantic level. Existing methods mostly dealt with these two problems separately, but in this paper, we reveal the underlying rel…

Cited by 353PDFScholar