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Xiawu Zheng

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Preprint Sep 2026

Duplex-MPE: Benchmarking Multi-Party Interaction in Full-Duplex Dialogue

Real-time full-duplex speech models can listen while speaking, enabling natural interaction without rigid turn boundaries. Existing benchmarks evaluate turn-taking, interruption handling and multi-round dialogue, but largely centre on a designated user rather than an assistant participating in a shared conversation amo...

Chengqian Ma, Wen-Hao Feng, Wei-Xuan Jin et al. · 0 citations
#machine learning Preprint Sep 2026

UniCache: Task- and Type-Aware KV Cache Compression for Unified Multimodal Models

Unified multimodal models combine understanding, generation, and editing within a single network, offering a promising foundation for versatile multimodal applications. However, growing multimodal contexts make KV cache storage and access increasingly costly. Existing KV cache compression methods are typically tailored...

Wan-Qi Yang, Yue-Xiao Ma, Mei Xie et al. · 0 citations
Preprint Aug 2026

One Ranking, Any Budget: Matryoshka Evidence-to-Context Frame Selection for Long-Video Understanding

Frame selection is essential for applying Large Multimodal Models (LMMs) to long videos due to severe frame redundancy and limited context windows. Since the appropriate frame budget varies with the downstream LMM, reasoning demands, and latency constraints, a practical selector should serve multiple budgets. However,...

Wang Chen, Yu Chen, Xiang Wang et al. · 0 citations
Jul 2026

WaveZip: Wavelet-Driven Space-Time Decoupling for Video Token Condensation

WaveZip is proposed, a joint signal-frequency-domain framework for efficient video inference that requires no task-specific training and can be seamlessly integrated into off-the-shelf LVLMs to boost inference efficiency.

Yuhui Zeng, Wang Chen, Jin-Fa Huang et al. · 1 citation
Jul 2026

TimePLE: Rethinking Temporal Representation for Video Temporal Grounding

TimePLE is proposed, which reformulates VTG from endpoint prediction to interval-native grounding by predicting a single joint distribution over valid temporal intervals, and curate 90K-scale grounded samples and human-verify 3K-scale benchmark annotations.

Yuhui Zeng, Xin-Yu Mao, Xiaokun Liu et al. · 0 citations
Preprint Aug 2026

YOLO-PEFT: Parameter-Efficient Fine-Tuning on YOLO Family

YOLO-PEFT is proposed, a structure-aware framework that formulates adapter placement as an auditable constraint-planning problem that replaces manual target-module trial and error with explicit, inspectable planning while preserving verified train-save-merge-export paths.

Xuchen Lin, Wenjie Nie, Jinlong Peng et al. · 0 citations

AutoJudger : An Adaptive Evaluation Framework for Efficient Benchmarking of MLLMs

This work introduces A 2 -Judger, a novel MLLM-based A gentic instantiation of A uto Judger equipped with semantic-aware retrieval and dynamic memory that significantly improves sample efficiency while maintaining reliable evaluation results.

Xuanwen Ding, Chengjun Pan, Zejun Li et al. · 0 citations
Open access Jul 2026

Symbolic-driven agentic reasoning for environmental and behavioral event detection

SDAR employs a symbolic reasoning engine to guide agentic decision making, connecting low-level visual cues with structured symbolic representations of events, and enables interpretable reasoning chains that capture causal relationships, contextual dependencies, and event categories.

Guangyao Chen, Liqin Luo, Jun Peng et al. · 0 citations

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