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Puhua Chen

9 accepted papers

2026

Delving Aleatoric Uncertainty in Medical Image Segmentation via Vision Foundation Models

CVPR 2026

Medical image segmentation supports clinical workflows by precisely delineating anatomical structures and lesions. However, medical image datasets medical image datasets suffer from acquisition noise and annotation ambiguity, causing pervasive data uncertainty that substantially undermines model rob

Cited by 0SourceScholar
2026

Evolving Semantic Propagation for Aerial Semantic 3D Gaussian Splatting

AAAI 2026technical

Semantic understanding of large-scale aerial scenes represents a critical challenge in 3D computer vision, hindered by the prohibitive cost of dense annotation. This paper introduces EvoPropGS, a novel approach for the semantic segmentation of 3D Gaussian Splatting models that requires only minimal

Cited by 0SourcePDFScholar
2026

HTTrack: Learning to Perceive Targets via Historical Trajectories in Satellite Video Tracking

AAAI 2026technical

In recent years, the rapid progress of deep learning has driven notable advancements in satellite video tracking, a critical task for applications such as environmental monitoring, disaster management, and defense. Despite these strides, existing approaches remain constrained by their inability to h

Cited by 0SourcePDFScholar
2026

Semantic Feature Purification for Adversarially-Aware RGB-T Tracking

AAAI 2026technical

RGB-T tracking is increasingly deployed in safety-critical applications such as autonomous driving, surveillance, and rescue robotics, where tracking reliability is essential under adverse conditions. Although the fusion of RGB and thermal infrared (TIR) modalities offers improved robustness in low-

Cited by 0SourcePDFScholar
2026

VDFE: Difference-Aware 3D Scene Editing with Non-Intrusive Video Diffusion Priors for Multi-View Consistency and Efficiency

CVPR 2026

Text-driven 3D editing, enabled by advancements in 3D reconstruction techniques such as NeRF and 3D Gaussian Splatting, aims to provide intuitive scene customization. However, existing methods frequently exhibit limitations in controllability and consistency. To address these shortcomings, we propos

Cited by 0SourceScholar
2025

Hierarchical Variational Test-Time Prompt Generation for Zero-Shot Generalization

ICCV 2025poster

Vision-language models like CLIP have demonstrated strong zero-shot generalization, making them valuable for various downstream tasks through prompt learning. However, existing test-time prompt tuning methods, such as entropy minimization, treat both text and visual prompts as fixed learnable parame…

Cited by 0SourcePDFScholar
2025

Logits DeConfusion with CLIP for Few-Shot Learning

CVPR 2025poster

With its powerful visual-language alignment capability, CLIP performs well in zero-shot and few-shot learning tasks. However, we found in experiments that CLIP's logits suffer from serious inter-class confusion problems in downstream tasks, and the ambiguity between categories seriously affects the…

2024

Multiplane Prior Guided Few-Shot Aerial Scene Rendering

CVPR 2024poster

Neural Radiance Fields (NeRF) have been successfully applied in various aerial scenes yet they face challenges with sparse views due to limited supervision. The acquisition of dense aerial views is often prohibitive as unmanned aerial vehicles (UAVs) may encounter constraints in perspective range an…

Cited by 3SourcePDFScholar
2024

ViLT-CLIP: Video and Language Tuning CLIP with Multimodal Prompt Learning and Scenario-Guided Optimization

AAAI 2024technical

Pre-trained vision-language(V-L) models such as CLIP have demonstrated impressive Zero-Shot performance in many downstream tasks. Since adopting contrastive video-text pairs methods like CLIP to video tasks is limited by its high cost and scale, recent approaches focus on efficiently transferring th…

Cited by 16SourcePDFScholar