Results 11 to 20 of about 21,518,469 (313)

A Spaceborne Synthetic Aperture Radar Partial Fixed-Point Imaging System Using a Field- Programmable Gate Array−Application-Specific Integrated Circuit Hybrid Heterogeneous Parallel Acceleration Technique

Sensors, 2017
With the development of satellite load technology and very large scale integrated (VLSI) circuit technology, onboard real-time synthetic aperture radar (SAR) imaging systems have become a solution for allowing rapid response to disasters.
Chen Yang, Bingyi Li, Liang Chen, Chunpeng Wei, Yizhuang Xie, He Chen, Wenyue Yu   +6 more
doaj   +1 more source

Algorithm–Hardware Co-Optimization and Deployment Method for Field-Programmable Gate-Array-Based Convolutional Neural Network Remote Sensing Image Processing

Remote Sensing, 2023
In recent years, convolutional neural networks (CNNs) have gained widespread adoption in remote sensing image processing. Deploying CNN-based algorithms on satellite edge devices can alleviate the strain on data downlinks. However, CNN algorithms present
Shuo Ni, Xin Wei, Ning Zhang, He Chen
doaj   +1 more source

Real-time N-finder processing algorithms for hyperspectral imagery [PDF]

, 2014
N-finder algorithm (N-FINDR) is probably one of most popular and widely used algorithms for endmember extraction in hyperspectral imagery. When it comes to practical implementation, four major obstacles need to be overcome.
Chen, H.M., Chang, C.I., Wu, C.C.
core   +1 more source

Dynamic partial reconfiguration scheme for fault-tolerant FFT processor based on FPGA

The Journal of Engineering, 2019
The fast Fourier transform FFT processor is an important part of the space real-time signal processing system based on field programmable gate array (FPGA).
Xin Wei, Yi Z Xie, Yu Xie, He Chen
doaj   +1 more source

Multi-Temporal SamplePair Generation for Building Change Detection Promotion in Optical Remote Sensing Domain Based on Generative Adversarial Network

Remote Sensing, 2023
Change detection is a critical task in remote sensing Earth observation for identifying changes in the Earth’s surface in multi-temporal image pairs. However, due to the time-consuming nature of image collection, labor-intensive pixel-level labeling with
Yute Li, He Chen, Shan Dong, Yin Zhuang, Lianlin Li   +4 more
doaj   +1 more source

A Real-time Service Oriented Infrastructure [PDF]

, 2010
The advancements in distributed computing have driven the emergence of service-based infrastructures that allow for on-demand provision of ICT assets. Taking into consideration the complexity of distributed environments, significant challenges exist in ...
Michael Boniface, Voith, T, Soren Berger, Cucinotta, T, Tommaso Cucinott, Dimosthenis Kyriazis, Voith, Thomas, Eduardo Oliveros, Oberle, K, Andreas Menychtas, Karsten Oberle, Kyriazis, D, Kyriazis, Dimosthenis, Menychtas, Andreas, Oliveros, Eduardo, Thomas Voith, Oberle, Karsten, Menychtas, A, Tommaso Cucinotta, Berger, Sören, George Kousiouris, Oliveros, E, Kousiouris, George, Berger, S, Boniface, Mike, Kousiouris, G, Cucinotta, Tommaso   +26 more
core   +1 more source

Monopulse SAR angle measurement based on total variation and monotonic iterative algorithm

The Journal of Engineering, 2019
Synthetic aperture radar (SAR) monopulse angle measurement is an adequate method of target angle measurement in low signal-to-clutter and noise ratio.
Bingtao Hu, Feng Li
doaj   +1 more source

A Modified Three-Stage Inversion Algorithm Based on R-RVoG Model for Pol-InSAR Data

Remote Sensing, 2016
In this paper, a modified two-layer scattering model is applied to a three-stage algorithm for high-precision retrieval of forest parameters from Polarimetric Synthetic Aperture Radar Interferometry (Pol-InSAR) data. Traditional Random-Volume-over-Ground
Qi Zhang, Tiandong Liu, Zegang Ding, Tao Zeng, Teng Long   +4 more
doaj   +1 more source

Modelling of continuously distributed target for bistatic synthetic aperture radar imaging

The Journal of Engineering, 2020
The point target model is widely used in the synthetic aperture radar (SAR) imaging simulation. Based on this model, the radar echo of a continuously distributed target can be expressed as the linear summation of the echo of many point targets which are ...
Xinliang Chen, Yujie Fan, Yangkai Wei, Zegang Ding   +3 more
doaj   +1 more source

On-Board, Real-Time Preprocessing System for Optical Remote-Sensing Imagery

Sensors, 2018
With the development of remote-sensing technology, optical remote-sensing imagery processing has played an important role in many application fields, such as geological exploration and natural disaster prevention.
Baogui Qi, Hao Shi, Yin Zhuang, He Chen, Liang Chen   +4 more
doaj   +1 more source