Results 21 to 30 of about 449,844 (282)

Fast Compressive Sensing-Based SAR Imaging Integrated With Motion Compensation

IEEE Access, 2019
Recently, compressive sensing (CS) has been applied in synthetic aperture radar (SAR) imaging, which is increasingly in the focus of study and shows great potential.
Wei Pu, Yulin Huang, Junjie Wu, Haiguang Yang, Jianyu Yang   +4 more
doaj   +1 more source

Transponder-aided joint calibration and synchronization compensation for distributed radar systems. [PDF]

PLoS ONE, 2015
High-precision radiometric calibration and synchronization compensation must be provided for distributed radar system due to separate transmitters and receivers.
Wen-Qin Wang
doaj   +1 more source

sEMG-Based Detection of Compensation Caused by Fatigue During Rehabilitation Therapy: A Pilot Study

IEEE Access, 2019
To stimulate neuroplasticity, the stroke patient often receives repetitive and high load robotic rehabilitation therapy. Given their impaired motor function, the patients are prone to muscle fatigue.
Shuangyuan Huang, Siqi Cai, Guofeng Li, Yan Chen, Ke Ma, Longhan Xie   +5 more
doaj   +1 more source

Focus Is All You Need: Loss Functions For Event-based Vision [PDF]

, 2019
Event cameras are novel vision sensors that output pixel-level brightness changes ("events") instead of traditional video frames. These asynchronous sensors offer several advantages over traditional cameras, such as, high temporal resolution, very high ...
Gallego, Guillermo, Gehrig, Mathias, Scaramuzza, Davide   +2 more
core   +1 more source

Research on the Image-Motion Compensation Technology of the Aerial Camera Based on the Multi-Dimensional Motion of the Secondary Mirror

Applied Sciences
Targeting the dynamic image-motion problem of aerial cameras in the process of swing imaging, the image-motion compensation technology of aerial cameras based on the multi-dimensional motion of the secondary mirror was adopted.
Hongwei Zhang, Rui Qu, Weining Chen, Huinan Guo   +3 more
doaj   +1 more source

SAR moving target imaging using group sparsity [PDF]

, 2013
SAR imaging of scenes containing moving targets results in defocusing in the reconstructed images if the SAR observation model used in imaging does not take the motion into account.
Çetin, Müjdat, Önhon, Özben Naime
core   +1 more source

Vibration Error Analysis and Motion Compensation of Video Synthetic Aperture Radar

Leida xuebao, 2015
Video Synthetic Aperture Radar (ViSAR) system offers high imaging frame rate, and high resolution, and it is consequently used to investigate and locate near-moving targets. Compared with microwave SAR, the practical application of ViSAR is restricted by
Zhao Yu-lu, Zhang Qun-ying, Li-Chao, Ji Yi-cai, Fang Guang-you   +4 more
doaj   +1 more source

Comprehensive Compensation Method for Motion Trajectory Error of End-Effector of Cable-Driven Parallel Mechanism

Machines, 2023
The accuracy of the end-effector motion trajectory is a critical performance indicator for cable-driven parallel mechanisms. This study aims to address the problem of trajectory error during the end-effector motion in a cable-driven parallel mechanism ...
Yanglong Li, Yujun Xue, Fang Yang, Haichao Cai, Hang Li   +4 more
doaj   +1 more source

Motion-corrected Fourier ptychography [PDF]

, 2016
Fourier ptychography (FP) is a recently proposed computational imaging technique for high space-bandwidth product imaging. In real setups such as endoscope and transmission electron microscope, the common sample motion largely degrades the FP ...
Bian, Liheng, Chen, Feng, Dai, Qionghai, Guo, Kaikai, Suo, Jinli, Yang, Changhuei, Zheng, Guoan   +6 more
core   +2 more sources

Research on the Motion Error Analysis and Compensation Strategy of the Delta Robot

Mathematics, 2019
The Delta robots are widely used in packaging, sorting, precision positioning, and other fields. Motion accuracy is an important indicator for evaluating robot performance.
Deyong Shang, Yu Li, Yue Liu, Shuanwei Cui   +3 more
doaj   +1 more source