papers

Publications (15)

cs.LG2025

Federated Latent Factor Learning for Recovering Wireless Sensor Networks Signal with Privacy-Preserving

Chengjun Yu, Yixin Ran, Yangyi Xia +2

Wireless Sensor Networks (WSNs) are a cutting-edge domain in the field of intelligent sensing. Due to sensor failures and energy-saving strategies, the collected data often have ma…

physics.ins-det2021

Effects of shallow carbon and deep N++ layer on the radiation hardness of IHEP-IME LGAD sensors

Mengzhao Li, Yunyun Fan, Xuewei Jia +23

Low Gain Avalanche Diode (LGAD) is applied for the High-Granularity Timing Detector (HGTD), and it will be used to upgrade the ATLAS experiment. The first batch IHEP-IME LGAD senso…

cs.CV2025

MindGPT-4ov: An Enhanced MLLM via a Multi-Stage Post-Training Paradigm

Wei Chen, Chaoqun Du, Feng Gu +14

We present MindGPT-4ov, a multimodal large language model (MLLM) that introduces a general post-training paradigm spanning data production, model training, and efficient deployment…

cs.LG2026

FLFL: Federated Latent Factor Learning for Private Recovery of Spatio-Temporal Signals

Chengjun Yu, Di Wu, Yi He +1

Wireless sensor network (WSNs) stands out as a burgeoning and promising domain in intelligent sensing. Owing to various factors such as sudden sensor malfunctions or deliberate shu…

cs.CV2026

StreamingClaw Technical Report

Jiawei Chen, Zhe Chen, Chaoqun Du +21

Emerging applications such as embodied intelligence, AI hardware, autonomous driving, and intelligent cockpits rely on a real-time perception-decision-action closed loop, posing st…

cs.CV2026

EXPLORE-Bench: Egocentric Scene Prediction with Long-Horizon Reasoning

Chengjun Yu, Xuhan Zhu, Chaoqun Du +4

Multimodal large language models (MLLMs) are increasingly considered as a foundation for embodied agents, yet it remains unclear whether they can reliably reason about the long-ter…

cs.CL2026

Search More, Think Less: Rethinking Long-Horizon Agentic Search for Efficiency and Generalization

Qianben Chen, Tianrui Qin, King Zhu +21

Recent deep research agents primarily improve performance by scaling reasoning depth, but this leads to high inference cost and latency in search-intensive scenarios. Moreover, gen…

cs.CV2024

EgoChoir: Capturing 3D Human-Object Interaction Regions from Egocentric Views

Yuhang Yang, Wei Zhai, Chengfeng Wang +3

Understanding egocentric human-object interaction (HOI) is a fundamental aspect of human-centric perception, facilitating applications like AR/VR and embodied AI. For the egocentri…

physics.ins-det2021

The performance of IHEP-NDL LGAD sensors after neutron irradiation

Mengzhao Li, Yunyun Fan, Bo Liu +20

The performances of Low Gain Avalanche diode (LGAD) sensors from a neutron irradiation campaign with fluences of 0.8 x 10^15, 15 x 10^15 and 2.5 x 10^15 neq/cm2 are reported in thi…

physics.ins-det2022

Leakage current simulations of Low Gain Avalanche Diode with improved Radiation Damage Modeling

Tao Yang, Kewei Wu, Mei Zhao +24

We report precise TCAD simulations of IHEP-IME-v1 Low Gain Avalanche Diode (LGAD) calibrated by secondary ion mass spectroscopy (SIMS). Our setup allows us to evaluate the leakage…

physics.ins-det2022

Design and testing of LGAD sensor with shallow carbon implantation

Kewei Wu, Xuewei Jia, Tao Yang +26

The low gain avalanche detectors (LGADs) are thin sensors with fast charge collection which in combination with internal gain deliver an outstanding time resolution of about 30 ps.…

physics.ins-det2023

Characterization of the response of IHEP-IME LGAD with shallow carbon to Gamma Irradiation

Weiyi Sun, Yunyun Fan, Mei Zhao +12

Low Gain Avalanche Detectors (LGAD) for the High-Granularity Timing Detector (HGTD) are crucial in reducing pileups in the High-Luminosity Large Hadron Collider. Numerous studies h…

physics.ins-det2023

The performance of large-pitch AC-LGAD with different N+ dose

Mengzhao Li, Weiyi Sun, Zhijun Liang +13

AC-Coupled LGAD (AC-LGAD) is a new 4D detector developed based on the Low Gain Avalanche Diode (LGAD) technology, which can accurately measure the time and spatial information of p…

cs.CV2026

Self-Consistent Latent Reasoning: Long Latent Sequence Reasoning for Vision-Language Model

Chenfeng Wang, Wei He, Xuhan Zhu +10

In language reasoning, longer chains of thought consistently yield better performance, which naturally suggests that visual latent reasoning may likewise benefit from longer latent…

cs.CV2025

HERO: Human Reaction Generation from Videos

Chengjun Yu, Wei Zhai, Yuhang Yang +2

Human reaction generation represents a significant research domain for interactive AI, as humans constantly interact with their surroundings. Previous works focus mainly on synthes…