Moving Target Detection Based on the Spreading Characteristics of SAR Interferograms in the Magnitude-Phase Plane
@article{Gao2015MovingTD, title={Moving Target Detection Based on the Spreading Characteristics of SAR Interferograms in the Magnitude-Phase Plane}, author={Gui Gao and Gongtao Shi and Lei Yang and Shilin Zhou}, journal={Remote. Sens.}, year={2015}, volume={7}, pages={1836-1854}, url={https://api.semanticscholar.org/CorpusID:957074} }
We propose a constant false alarm rate (CFAR) algorithm for moving target detection in synthetic aperture radar (SAR) images based on the spreading characteristics of interferograms on the…
Figures from this paper
13 Citations
An ML-Based Radial Velocity Estimation Algorithm for Moving Targets in Spaceborne High-Resolution and Wide-Swath SAR Systems
- 2017
Engineering, Environmental Science
This paper aims at providing a solution to the velocity estimation problem in the future HRWS SAR systems with multiple receive channels by proposing the maximum likelihood (ML) based algorithm to estimate the radial velocity in the existence of Doppler ambiguities.
A Novel Approach of Slope Detection Combined with Lv's Distribution for Airborne SAR Imagery of Fast Moving Targets
- 2018
Engineering, Environmental Science
This paper presents a fast SAR imagery algorithm for Ground Moving Target Imaging (GMTIm) based on the slope detection strategy combined with Time-Frequency Representation (TFR), which is known as Lv’s Distribution (LVD) due to the superior performance in representing multi-component Linear Frequency Modulation (LFM) signal.
Synthetic aperture radar ground moving target indication via exploiting interferogram’s magnitude and phase
- 2016
Engineering, Environmental Science
Abstract. A scheme is presented for ground moving target indication with multichannel synthetic aperture radar (SAR). After the effects of different phase centroids are compensated, the images from…
A novel method of dynamic monitoring and parameter estimation for rock-fall based on multichannel SAR
- 2020
Engineering, Environmental Science
Abstract Rock-fall incidents have the characteristics of multiple, sudden and random, which threaten the surrounding buildings and traffic lines. This paper studied the monitoring and prediction of…
An Integrated Method for Simulation of Synthetic Aperture Radar (SAR) Raw Data in Moving Target Detection
- 2017
Engineering
A method to simulate a speckled scene with moving targets in the hybrid domain and the results show similar displacement between moving target SAR raw data with a background and without a background.
Refocusing of Moving Targets in SAR Images via Parametric Sparse Representation
- 2017
Engineering, Environmental Science
The proposed PSR method directly operates on small-size defocused ROI data, which helps to reduce the computational burden and suppress the clutter, and can suppress asymmetric side-lobes and improve the image quality.
Ground moving target indication for multichannel synthetic aperture radar systems using asymmetry of spatial spectrum
- 2018
Engineering
Abstract. A scheme is presented for ground moving target indication in multichannel synthetic aperture radar (SAR) systems. After the effect of different Doppler centroids is compensated, the spatial…
Hypothesis test for the detection of moving targets in automotive radar
- 2017
Engineering
This approach is able to give robust classification independent of the number of observed moving targets and is characterized by an instantaneous classification, a simple parameterization of the model and an automatic calculation of the discriminating threshold.
Detection of moving targets in SAR
- 2018
Physics, Engineering
This work investigates two approaches to form GMIT images: displaced phase center antenna algorithm (DPCA) and along-track interferometry algorithm (ATI) by using the mathematical model of SAR.
Performance Evaluation of Target Detection with a Near-Space Vehicle-Borne Radar in Blackout Condition
- 2016
Engineering, Environmental Science
Simulation results show that the proposed measure will offer information on the detailed performance of detection, which is very useful in detecting the target of interest in a remote sensing system and are helpful for both the NSVBR designers and users.
31 References
An Adaptive and Fast CFAR Algorithm Based on Automatic Censoring for Target Detection in High-Resolution SAR Images
- 2009
Engineering, Environmental Science
The G 0 distribution, which can model multilook SAR images within an extensive range of degree of homogeneity, is adopted as the statistical model of clutter in this paper and is shown to be of good performance and strong practicability.
Statistical analysis of multilook SAR interferograms for CFAR detection of ground moving targets
- 2004
Engineering, Environmental Science
It is demonstrated, on the basis of experimental airborne SAR data, that the proposed completely automatic detection scheme with constant false-alarm rates (CFARs) for slow moving targets is capable of detecting slow moving vehicles within severe ground clutter.
A constant false alarm rate (CFAR) detector for RADARSAT-2 along-track interferometry
- 2005
Engineering, Environmental Science
Canada's RADARSAT-2 synthetic aperture radar (SAR) satellite will be equipped with an experimental ground moving target indication (GMTI) mode, which makes use of the "dual-receive" capability of the…
Detection and imaging of arbitrarily moving targets with single-channel SAR
- 2002
Engineering, Environmental Science
The algorithm is based on evaluation of a sequence of single-look SAR images which is generated from conventional, single-channel SAR raw data, whereby aliasing due to a motion-induced Doppler shift is considered and the moving targets can be detected almost independent of their moving direction.
A novel dual-SAR detector based on the joint metric of interferogram's magnitude and phase for slow ground moving targets
- 2009
Engineering, Environmental Science
This paper proposes a novel dual-SAR detector based on the joint metric of interferogram's magnitude and phase for slow ground-moving targets. Motivated by the difference of backscattering properties…
Ground target tracking with STAP radar
- 2001
Engineering, Physics
The problem of tracking ground moving targets by a moving radar (airborne, spaceborne) is addressed. Tracking of low Doppler targets within a strong clutter background is of special interest. The…
A New Application for PolSAR Imagery in the Field of Moving Target Indication/Ship Detection
- 2007
Engineering, Environmental Science
This paper examines the phenomenon of cross-polarization clutter cancellation using theoretical analysis and simulations and illustrates its application with experimental results, showing that, for reciprocal scatterers, the phase difference between HV and VH images is zero, whereas for HV & VH ambiguities, thephase difference is pi.
Segmentation of moving objects in SAR-MTI data
- 2001
Engineering, Environmental Science
The SAR processing is optimized for motionless scenes. Moving objects cause artifacts like blurring or azimuth displacement in case of parallel or radial velocity components respectively. With…
A comparison of displaced phase centre antenna and along-track interferometry techniques for RADARSAT-2 ground moving target indication
- 2005
Engineering, Environmental Science
Canada's RADARSAT-2 commercial synthetic aperture radar (SAR) satellite will have an experimental mode that will permit ground moving target indication (GMTI) measurements to be made. In this mode of…
Detecting moving targets in SAR imagery by focusing
- 2001
Engineering, Environmental Science
A new method for detecting moving targets in a synthetic aperture radar (SAR) image is presented. It involves segmenting a complex-valued SAR image into patches, focusing each patch separately, and…