SAR Images
A Downsampled SAR BM3D Despeckling Approach for Single Look SAR Images in High Resolution
... for SAR images. However, when tackling with high resolution SAR images, it often has an unsatisfy- ing despeckling performance in the homogeneous smooth regions, together with a high time ...
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Flood mapping of Northern Peninsular Malaysia using SAR images
... different SAR images: RadarSat-1 preflood image, RadarSat-1 post flood image and TerraSAR-X during flood image, in order to produce a composite image for better identification of features, and the goal here ...
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CONTOURLET TRANSFORM WITH FIREFLY ALGORITHM FOR DESPECKLING OF SAR IMAGES
... transform and optimized the parameters using Firefly Algorithm. The Firefly algorithm is applied to make the speedy convergence and avoid premature convergence in optimizing the parameters. The result of the proposed ...
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A Level Set Filter for Speckle Reduction in SAR Images
... in images when smoothing the speckle, the evolution is switched between minimum or maximum curvature speed depending on the scale of ...ERS-2 SAR images under different ...
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SAR Images Co registration Based on Gradient Descent Optimization
... captured images for the same area to candidate the transformation matrix that is used to map the points in one image to its congruent in the other image for the same ...
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Multi-model CFAR detection in FOliage PENetrating SAR images
... high-resolution SAR images in [11] can be embedded in a framework that is able to select the best LS distribution to be used to compute the adaptive threshold and that will ensure the constant false alarm ...
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Detecting covariance symmetries for classification of polarimetric SAR images
... pabilities of the entire system. Among the different techniques available in open literature [1], a possible approach is to take advantage of the full-polarimetric data extracting for each pixel of the considered scene ...
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Edge Detection in SAR images using phase stretch transform
... sensing. SAR imaging overcomes many disadvantages of optical as it can operate in almost every weather conditions both day and ...vegetation, SAR images can also provide subsurface information. How- ...
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CHANGE DETECTION IN SAR IMAGES USING FUZZY CUSTERING AND IMAGE FUSSION
... sensing images becomes additional and additional ...degrades SAR images significantly and might hide necessary details on the pictures, leading to loss of crucial ...
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EVALUATION OF SPECKLE REDUCTION FILTERING TECHNIQUES ON SAR IMAGES
... object. SAR images are obtained with speckle noise, due the interference of waves reflected from many elementary ...noise images obtained from SAR and also reduces the effectiveness of image ...
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Advanced methods for change detection in VHR multitemporal SAR images
... space-borne SAR systems, which are able to acquire only high and medium geometrical resolution SAR images ...VHR SAR images regularly acquired with satellites platforms opens new ...
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Enhanced Edge Detection Technique for SAR Images
... of SAR images has been taken into consideration for validation purposes and have been ...particular SAR image is compared with the results of the application of Canny, Sobel, LoG, Roberts and Prewits ...
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A New Objective Evaluation Index for Despeckled SAR Images
... filtered images; for example in [21] it is seen that although the filtered SAR images with the proposed MAP High-TV method have better results than those with the MAP-MIDAL method, the obtained ENL ...
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Image Classification For SAR Images using Modified ANN
... A modified algorithm based on the Artificial Neural Network was designed for SAR images classification. The new algorithm is successfully applied for classification of SAR images. The ...
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Application of Multi Frequency SAR Images for Knowledge Acquisition
... each SAR image was different, a comparison was made among the classes within the bands ...radar images could be success- fully used for the knowledge acquisition as well as for the investigation of ...
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An eigenvalue-based approach for structure classification in polarimetric SAR images
... polarimetric SAR data, have highlighted that the proposed classification architecture can correctly recognize the dominant scattering mechanisms associated with the structures present in the observed ...
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SPECKLE REDUCTION OF SAR IMAGES USING RATIONAL DILATION WAVELET TRANSFORMATION
... of SAR images very difficult. So the goal of preprocessing in SAR images is to remove the multiplicative speckle noise and to preserve all texture features ...
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Accurate Reconstruction and Suppression for Azimuth Ambiguities in Spaceborne Stripmap SAR Images
... Abstract — In this paper, an accurate mathematical model for azimuth ambiguity in stripmap Synthetic Aperture Radar (SAR) image is first constructed, with an azimuth ambiguity factor (AAF) defined as the residual ...
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A Survey on Discrimination of Oil Spill from Biogenic Silks under Low Wind Atmosphere by SAR Images
... The SAR images are heterogeneous, although oil slicks are usually characterized by dark coloration, such coloration is not always synonymous with oil spill areas, instead, it could reflect the influence of ...
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Application of Dual-Polarimetry SAR Images in Multitemporal InSAR Processing
... of SAR data and improve the performance of SAR interferometric methods for deformation ...X-band SAR images (HH/VV) acquired by TerraSAR-X shows that using optimum scattering mechanism in the ...
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