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Xian Sun

3 papers indexed

arxivcs.CV2026-07-23

DAPM: UAV Monocular Depth Estimation from Any Height, Pitch, Roll and FOV

Tong Ling, Wenhui Diao, Yingchao Feng, Hanbo Bi, Zhongyan Hou, Xian Sun

Monocular depth estimation is a fundamental prerequisite for 3D reconstruction and autonomous navigation in Unmanned Aerial Vehicles (UAVs). In practical deployments, UAVs operate under highly dynamic camera poses characterized by continuous variations in height, pitch, roll, and…

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arxivcs.SEcs.LG2026-07-01

The Moving Target: A Longitudinal Audit of Trustworthiness Drift Across Twelve Checkpoints of Open-Source Chat LLMs

Zhichao Fan, Yanhang Li, Zexin Zhuang, Xian Sun, Yingshuo Wang

Model cards quote trust-benchmark scores without recording when they were measured, and the same number is routinely carried across successive checkpoints of one release line as if the model behind it had not shifted. We test whether it has shifted by auditing four open-source re…

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arxivcs.CV2026-06-30

AeroVerse-SatAgent: UAV-Satellite Collaborative Spatial Reasoning Inspired by the Dual Visual Pathway Theory of Cognitive Neuroscience

Wenyi Zhang, Fanglong Yao, Youzhi Liu, Peng Hu, Zhengqiu Zhu, Chen Gao, et al.

With the rapid advancement of aerospace embodied intelligence, enabling Unmanned Aerial Vehicles (UAVs) to autonomously understand and reason about complex environments has become increasingly important. However, existing UAV-based spatial reasoning approaches face critical limit…

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