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๐Ÿ” jiajun jiang ๐Ÿ“‚ Engineering
Showing 16 results for "jiajun jiang" in Engineering
Engineering Preprint PDF DOI

CAR-EnKF: A Covariance-Adaptive and Recalibrated Ensemble Kalman Filter Framework

Shida Jiang, Shengyu Tao, Zihe Liu, Scott Moura ยท 2026

The ensemble Kalman filter (EnKF) is widely used for nonlinear and high-dimensional state estimation because it replaces complex covariance propagation with simple ensemble statistics. However, convenโ€ฆ

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Engineering Preprint PDF DOI

Design Guidelines for Nonlinear Kalman Filters via Covariance Compensation

Shida Jiang, Jaewoong Lee, Shengyu Tao, Scott Moura ยท 2026

Nonlinear extensions of the Kalman filter (KF), such as the extended Kalman filter (EKF) and the unscented Kalman filter (UKF), are indispensable for state estimation in complex dynamical systems, yetโ€ฆ

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Engineering Preprint PDF DOI

Rapid stabilization of the heat equation with localized disturbance

Patricio Guzman, Hugo Parada (SPHINX, IECL), Christian Calle-Cardenas ยท 2025

This paper studies the rapid stabilization of a multidimensional heat equation in the presence of an unknown spatially localized disturbance. A novel multivalued feedback control strategy is proposed,โ€ฆ

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Engineering Preprint PDF DOI

Relaying Signal When Monitoring Traffic: Double Use of Aerial Vehicles Towards Intelligent Low-Altitude Networking

Jiahui Liang, Wenlihan Lu, Tianyi Liu, Kang Kang, Guixin Pan, Liuqing Yang, Xinhu Zheng, Shijian Gao ยท 2025

In intelligent low-altitude networks, integrating monitoring tasks into communication unmanned aerial vehicles (UAVs) can consume resources and increase handoff latency for communication links. To addโ€ฆ

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Engineering Preprint PDF DOI

FARM: Frame-Accelerated Augmentation and Residual Mixture-of-Experts for Physics-Based High-Dynamic Humanoid Control

Tan Jing, Shiting Chen, Yangfan Li, Weisheng Xu, Renjing Xu ยท 2025

Unified physics-based humanoid controllers are pivotal for robotics and character animation, yet models that excel on gentle, everyday motions still stumble on explosive actions, hampering real-world โ€ฆ

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Engineering Preprint PDF DOI

InnerGS: Internal Scenes Reconstruction and Segmentation via Factorized 3D Gaussian Splatting

Shuxin Liang, Yihan Xiao, Wenlu Tang ยท 2025

3D Gaussian Splatting (3DGS) has recently gained popularity for efficient scene rendering by representing scenes as explicit sets of anisotropic 3D Gaussians. However, most existing work focuses primaโ€ฆ

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Engineering Preprint PDF DOI

Decoding Covert Speech from EEG Using a Functional Areas Spatio-Temporal Transformer

Muyun Jiang, Yi Ding, Wei Zhang, Kok Ann Colin Teo, LaiGuan Fong, Shuailei Zhang, Zhiwei Guo, Chenyu Liu, Raghavan Bhuvanakantham, Wei Khang Jeremy Sim, Chuan Huat Vince Foo, Rong Hui Jonathan Chua, Parasuraman Padmanabhan, Victoria Leong, Jia Lu, Balazs Gulyas, Cuntai Guan ยท 2025

Covert speech involves imagining speaking without audible sound or any movements. Decoding covert speech from electroencephalogram (EEG) is challenging due to a limited understanding of neural pronuncโ€ฆ

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Engineering Preprint PDF DOI

Mitigating Overconfidence in Nonlinear Kalman Filters via Covariance Recalibration

Shida Jiang, Junzhe Shi, Scott Moura ยท 2024

The Kalman filter (KF) is an optimal linear state estimator for linear systems, and numerous extensions, including the extended Kalman filter (EKF), unscented Kalman filter (UKF), and cubature Kalman โ€ฆ

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Engineering Preprint PDF DOI

InCoRo: In-Context Learning for Robotics Control with Feedback Loops

Jiaqiang Ye Zhu, Carla Gomez Cano, David Vazquez Bermudez, Michal Drozdzal ยท 2024

One of the challenges in robotics is to enable robotic units with the reasoning capability that would be robust enough to execute complex tasks in dynamic environments. Recent advances in LLMs have poโ€ฆ

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Engineering Preprint PDF DOI

Onboard View Planning of a Flying Camera for High Fidelity 3D Reconstruction of a Moving Actor

Qingyuan Jiang, Volkan Isler ยท 2023

Capturing and reconstructing a human actor's motion is important for filmmaking and gaming. Currently, motion capture systems with static cameras are used for pixel-level high-fidelity reconstructionsโ€ฆ

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Engineering Preprint PDF DOI

CAJun: Continuous Adaptive Jumping using a Learned Centroidal Controller

Yuxiang Yang, Guanya Shi, Xiangyun Meng, Wenhao Yu, Tingnan Zhang, Jie Tan, Byron Boots ยท 2023

We present CAJun, a novel hierarchical learning and control framework that enables legged robots to jump continuously with adaptive jumping distances. CAJun consists of a high-level centroidal policy โ€ฆ

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Engineering Preprint PDF DOI

Target Active Speaker Detection with Audio-visual Cues

Yidi Jiang, Ruijie Tao, Zexu Pan, Haizhou Li ยท 2023

In active speaker detection (ASD), we would like to detect whether an on-screen person is speaking based on audio-visual cues. Previous studies have primarily focused on modeling audio-visual synchronโ€ฆ

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Engineering Preprint PDF DOI

Dict-TTS: Learning to Pronounce with Prior Dictionary Knowledge for Text-to-Speech

Ziyue Jiang, Zhe Su, Zhou Zhao, Qian Yang, Yi Ren, Jinglin Liu, Zhenhui Ye ยท 2022

Polyphone disambiguation aims to capture accurate pronunciation knowledge from natural text sequences for reliable Text-to-speech (TTS) systems. However, previous approaches require substantial annotaโ€ฆ

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Engineering Preprint PDF DOI

BaMBNet: A Blur-aware Multi-branch Network for Defocus Deblurring

Pengwei Liang, Junjun Jiang, Xianming Liu, Jiayi Ma ยท 2021

The defocus deblurring raised from the finite aperture size and exposure time is an essential problem in the computational photography. It is very challenging because the blur kernel is spatially varyโ€ฆ

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Engineering Preprint PDF DOI

Learning Spatial-Spectral Prior for Super-Resolution of Hyperspectral Imagery

Junjun Jiang, He Sun, Xianming Liu, Jiayi Ma ยท 2020

Recently, single gray/RGB image super-resolution reconstruction task has been extensively studied and made significant progress by leveraging the advanced machine learning techniques based on deep conโ€ฆ

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Engineering Preprint PDF DOI

An Extended Small-Gain Theorem

Yunsheng Li, Chi Jin ยท 2014

We extend the results of the general small-gain theorem proposed by Z.P Jiang. The significance of this extension is two fold. First, it allows one to use general vector norm to characterize the inputโ€ฆ

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