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Tianxiang Pan

7 accepted papers

2026

Soft Modality-Guided Expert Specialization in MoE-VLMs

CVPR 2026

Mixture-of-Experts (MoE) has become a prevalent backbone for large vision-language models (VLMs), yet how modality-specific signals should guide expert routing remains under-explored. Existing routing strategies are either hand-crafted or modality-agnostic, relying on idealized priors that ignore th

Cited by 0SourceScholar
2026

Trajectory-Level Speculative Decoding for Diffusion Language Models

ICML 2026poster

Diffusion-based language models (dLLMs) enable parallel token generation through iterative denoising, but existing decoding strategies collapse to single-token generation under low confidence, severely limiting throughput. Unlike autoregressive models where speculative decoding operates on token seq…

Cited by 0SourceScholar
2025

ReCon: Region-Controllable Data Augmentation with Rectification and Alignment for Object Detection

NeurIPS 2025spotlight

The scale and quality of datasets are crucial for training robust perception models. However, obtaining large-scale annotated data is both costly and time-consuming. Generative models have emerged as a powerful tool for data augmentation by synthesizing samples that adhere to desired distributions.…

Cited by 0SourceScholar
2025

Semantic Hierarchical Prompt Tuning for Parameter-Efficient Fine-Tuning

ICASSP 2025accepted

As the scale of vision models continues to grow, Visual Prompt Timing (VPT) has emerged as a parameter-efficient transfer learning technique, noted for its superior performance compared to full fine-tuning. However, indiscriminately applying prompts to every layer without considering their inherent…

Cited by 0SourceScholar
2024

W2P: Switching from Weak Supervision to Partial Supervision for Semantic Segmentation

AAAI 2024technical

Current weakly-supervised semantic segmentation (WSSS) techniques concentrate on enhancing class activation maps (CAMs) with image-level annotations. Yet, the emphasis on producing these pseudo-labels often overshadows the pivotal role of training the segmentation model itself. This paper underscore…

Cited by 3SourcePDFScholar
2023

Low-Confidence Samples Mining for Semi-supervised Object Detection

IJCAI 2023poster

Reliable pseudo labels from unlabeled data play a key role in semi-supervised object detection (SSOD). However, the state-of-the-art SSOD methods all rely on pseudo labels with high confidence, which ignore valuable pseudo labels with lower confidence. Additionally, the insufficient excavation for u…

Cited by 1SourcePDFScholar
2022

Semi-supervised Object Detection with Adaptive Class-Rebalancing Self-Training

AAAI 2022technical

While self-training achieves state-of-the-art results in semi-supervised object detection (SSOD), it severely suffers from foreground-background and foreground-foreground imbalances in SSOD. In this paper, we propose an Adaptive Class-Rebalancing Self-Training (ACRST) with a novel memory module call…

Cited by 61SourcePDFScholar