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Xiao Xiang Zhu

22 accepted papers

2026

Dual Distillation for Few-Shot Anomaly Detection

ICLR 2026poster

Anomaly detection is a critical task in computer vision with profound implications for medical imaging, where identifying pathologies early can directly impact patient outcomes. While recent unsupervised anomaly detection approaches show promise, they require substantial normal training data and str…

Cited by 0SourcecodeScholar
2026

GEWDiff: Geometric Enhanced Wavelet-based Diffusion Model for Hyperspectral Image Super-resolution

AAAI 2026technical

Improving the quality of hyperspectral images (HSIs), such as through super-resolution, is a crucial research area. However, generative modeling for HSIs presents several challenges. Due to their high spectral dimensionality, HSIs are too memory-intensive for direct input into conventional diffusion

Cited by 0SourcePDFScholar
2026

Learning Domain-Aware Task Prompt Representations for Multi-Domain All-in-One Image Restoration

ICLR 2026poster

Recently, significant breakthroughs have been made in all-in-one image restoration (AiOIR), which can handle multiple restoration tasks with a single model. However, existing methods typically focus on a specific image domain, such as natural scene, medical imaging, or remote sensing. In this work,…

Cited by 0SourcecodeScholar
2026

ProPL: Universal Semi-Supervised Ultrasound Image Segmentation via Prompt-Guided Pseudo-Labeling

AAAI 2026technical

Existing approaches for the problem of ultrasound image segmentation, whether supervised or semi-supervised, are typically specialized for specific anatomical structures or tasks, limiting their practical utility in clinical settings. In this paper, we pioneer the task of universal semi-supervised u

Cited by 0SourcePDFScholar
2026

TerraScope: Pixel-Grounded Visual Reasoning for Earth Observation

CVPR 2026

Vision-language models (VLMs) have shown promise in earth observation (EO), yet they struggle with tasks that require grounding complex spatial reasoning in precise pixel-level visual representations. To address this problem, we introduce TerraScope, a unified VLM that delivers pixel-grounded geospa

Cited by 0SourceScholar
2025

MPTSNet: Integrating Multiscale Periodic Local Patterns and Global Dependencies for Multivariate Time Series Classification

AAAI 2025technical

Multivariate Time Series Classification (MTSC) is crucial in extensive practical applications, such as environmental monitoring, medical EEG analysis, and action recognition. Real-world time series datasets typically exhibit complex dynamics. To capture this complexity, RNN-based, CNN-based, Transfo…

2025

On the Generalization of Representation Uncertainty in Earth Observation

ICCV 2025poster

Recent advances in Computer Vision have introduced the concept of pretrained representation uncertainty, enabling zero-shot uncertainty estimation. This holds significant potential for Earth Observation (EO), where trustworthiness is critical, yet the complexity of EO data poses challenges to uncert…

2025

Parametric Point Cloud Completion for Polygonal Surface Reconstruction

CVPR 2025poster

Existing polygonal surface reconstruction methods heavily depend on input completeness and struggle with incomplete point clouds. We argue that while current point cloud completion techniques may recover missing points, they are not optimized for polygonal surface reconstruction, where the parametri…

2025

Q-PART: Quasi-Periodic Adaptive Regression with Test-time Training for Pediatric Left Ventricular Ejection Fraction Regression

CVPR 2025poster

In this work, we address the challenge of adaptive pediatric Left Ventricular Ejection Fraction (LVEF) assessment. While Test-time Training (TTT) approaches show promise for this task, they suffer from two significant limitations. Existing TTT works are primarily designed for classification tasks ra…

Cited by 0SourcePDFScholar
2025

REOBench: Benchmarking Robustness of Earth Observation Foundation Models

NeurIPS 2025poster

Earth observation foundation models have shown strong generalization across multiple Earth observation tasks, but their robustness under real-world perturbations remains underexplored. To bridge this gap, we introduce REOBench, the first comprehensive benchmark for evaluating the robustness of Earth…

Cited by 0SourcecodeScholar
2025

Scale-Aware Contrastive Reverse Distillation for Unsupervised Medical Anomaly Detection

ICLR 2025poster

Unsupervised anomaly detection using deep learning has garnered significant research attention due to its broad applicability, particularly in medical imaging where labeled anomalous data are scarce. While earlier approaches leverage generative models like autoencoders and generative adversarial net…

2025

Towards a Unified Copernicus Foundation Model for Earth Vision

ICCV 2025poster

Advances in Earth observation (EO) foundation models have unlocked the potential of big satellite data to learn generic representations from space, benefiting a wide range of downstream applications crucial to our planet. However, most existing efforts remain limited to fixed spectral sensors, focus…

2024

Decoupling Common and Unique Representations for Multimodal Self-supervised Learning

ECCV 2024oral

"The increasing availability of multi-sensor data sparks wide interest in multimodal self-supervised learning. However, most existing approaches learn only common representations across modalities while ignoring intra-modal training and modality-unique representations. We propose Decoupling Common a…

2024

Representation Enhancement-Stabilization: Reducing Bias-Variance of Domain Generalization

ECCV 2024poster

"Domain Generalization (DG) focuses on enhancing the generalization of deep learning models trained on multiple source domains to adapt to unseen target domains. This paper explores DG through the lens of bias-variance decomposition, uncovering that test errors in DG predominantly arise from cross-d…

2023

GEO-Bench: Toward Foundation Models for Earth Monitoring

NeurIPS 2023poster

Recent progress in self-supervision has shown that pre-training large neural networks on vast amounts of unsupervised data can lead to substantial increases in generalization to downstream tasks. Such models, recently coined foundation models, have been transformational to the field of natural lang…

2023

MedSat: A Public Health Dataset for England Featuring Medical Prescriptions and Satellite Imagery

NeurIPS 2023poster

As extreme weather events become more frequent, understanding their impact on human health becomes increasingly crucial. However, the utilization of Earth Observation to effectively analyze the environmental context in relation to health remains limited. This limitation is primarily due to the lack…

Cited by 6SourcePDFScholar
2022

Doubly Deformable Aggregation of Covariance Matrices for Few-Shot Segmentation

ECCV 2022poster

"Training semantic segmentation models with few annotated samples has great potential in various real-world applications. For the few-shot segmentation task, the main challenge is how to accurately measure the semantic correspondence between the support and query samples with limited training data.…

2022

DynamicEarthNet: Daily Multi-Spectral Satellite Dataset for Semantic Change Segmentation

CVPR 2022poster

Earth observation is a fundamental tool for monitoring the evolution of land use in specific areas of interest. Observing and precisely defining change, in this context, requires both time-series data and pixel-wise segmentations. To that end, we propose the DynamicEarthNet dataset that consists of…

Cited by 107PDFScholar
2021

DENETHOR: The DynamicEarthNET dataset for Harmonized, inter-Operable, analysis-Ready, daily crop monitoring from space

NeurIPS 2021poster

Recent advances in remote sensing products allow near-real time monitoring of the Earth’s surface. Despite increasing availability of near-daily time-series of satellite imagery, there has been little exploration of deep learning methods to utilize the unprecedented temporal density of observations.…

Cited by 54SourceScholar
2019

A Relation-Augmented Fully Convolutional Network for Semantic Segmentation in Aerial Scenes

CVPR 2019poster

Most current semantic segmentation approaches fall back on deep convolutional neural networks (CNNs). However, their use of convolution operations with local receptive fields causes failures in modeling contextual spatial relations. Prior works have sought to address this issue by using graphical mo…

Cited by 214PDFScholar