SAR images
COMPARISON OF FILTERS DEDICATED TO SPECKLE SUPPRESSION IN SAR IMAGES
... in SAR images. The tests were performed on RadarSat-2 images and on an artificial image treated with simulated speckle ...radar images – a deterministic noise connected with land cover type, ...
8
DARK SPOT DETECTION USING INTENSITY AND THE DEGREE OF POLARIZATION IN FULLY POLARIMETRIC SAR IMAGES FOR OIL POLUTION MONITORING
... (1) SAR images contain speckles resulting from the coherent nature of incident ...the SAR imagery, the contrast between the oil spills and sea clutter can vary (Topouzelis ...
5
Retrieval of the thickness of undeformed sea ice from simulated C-band compact polarimetric SAR images
... At the next stage, we focused on the RADARSAT-2 im- ages no. 2 and no. 3 (which have the same incidence angle of 42 ◦ ) to validate our method. Out of a total of 320 sam- ples, 159 samples belong to images no. 2 ...
17
Analysis Method of Errors (Motion and Atmospheric) in Synthetic Aperture Radar (SAR) Images
... in SAR images is here pre- ...adopted SAR process- ing procedure and motion compensation ...airborne SAR system) data set where we see that the effects of linear and non-linear phase errors ...
4
ESTIMATING SEA ICE PARAMETERS FROM MULTI-LOOK SAR IMAGES USING FIRST- AND SECOND-ORDER VARIOGRAMS
... real SAR images, the polygon images are irregular and the sea ice structures are not homogenous, the isotropy assumption is difficult to be ...
10
AUTOMATED WETLAND DELINEATION FROM MULTI-FREQUENCY AND MULTI-POLARIZED SAR IMAGES IN HIGH TEMPORAL AND SPATIAL RESOLUTION
... “quadpol” images, ...polarized SAR images are mostly restricted to one special polarization combination and with respect to model-based approaches, even to one special ...different SAR sensors ...
8
Probability Density Components Analysis: A New Approach to Treatment and Classification of SAR Images
... sensing images from the Satellite Pour l’Observation de la Terre (SPOT) sensor, have proven it to be more appropriate to use large window sizes (31 × 31, 41 × 41 and 51 × ...
31
Braz. j. oceanogr. vol.56 número2
... of SAR RADARSAT-1 images to detect emergent coral reefs at the Environmental Protection Area of "Costa dos ...the SAR image classification and a reference map obtained from a TM Landsat-5 ...that ...
12
URBAN AREA EXTRACTION IN SAR DATA
... In this paper, a technique for the detection of the man-made structures using very high resolution SAR images is proposed. Basically, the procedure starts with the calculation of different textures from ...
5
INTEGRATED SAR TECHNOLOGIES FOR MONITORING THE STABILITY OF MINE SITES: APPLICATION USING TERRASAR-X AND RADARSAT-2 IMAGES
... SAR images were collected between June and September 2014 and included seven TerraSAR-X, five RADARSAT-2 U4(A) and four RADARSAT-2 U5(D) scenes, all in HH ...
6
MULTI-TEMPORAL SAR INTERFEROMETRY FOR LANDSLIDE MONITORING
... Interferometric SAR (InSAR) was adopted in several deformation monitoring applications by using two or more SAR images at different acquisition time to generate interferograms which after unwrapping ...
4
On the Retrieval of Significant Wave Heights from Spaceborne Synthetic Aperture Radar (ERS-SAR) using the Max-Planck Institut (MPI) Algorithm
... of SAR Wave Mode (SWM) imagettes have been acquired since the launch in the early 1990’s of the first European Remote Sensing Satellite ERS-1 and its successors ERS-2 and ENVISAT, which has opened up many ...
11
Método de logcumulantes em processamento de imagens SAR
... real SAR images, respectively. Regarding synthetic images, we performed Monte Carlo experiments which confir- med the suitability of SAR image segmentation by means of roughness ...to ...
61
Deteção de manchas de óleo em imagens SAR através da combinação de características e de
... The SAR images used in this work are not limited to a specific imaging system and different feature sets based on geometry and texture of the spills were ...
117
Comparison of automatic segmentation of full polarimetric SAR sea ice images with manually drawn ice charts
... Future work should focus on automatic and robust estimation of the number of classes, while noting that this is an inherently complicated problem, especially for highly detailed and heterogeneous sea ice scenes. For ...
40
Efficient Iris Recognition Algorithm Using Method of Moments
... The choice of the threshold value becomes a problem if the distributions of the client and the impostor scores overlap, as shown in the next image of Figure 9(a). In the Fig ure 9(b) corresponding false acceptance and ...
13
INVENTORY OF IRRIGATED RICE ECOSYSTEM USING POLARIMETRIC SAR DATA
... temporal SAR data for rice crop monitoring. Temporal SAR data sets of amplitude component are being used to monitor the paddy crop (Panigraphy et al, 1999, and Chakraborty et al, ...a SAR dataset ...
4
Animal images database: validation of 120 images for human-animal studies
... the images in our photo set depict the entire animal, yet much research suggests that faces—the eyes in particular—are important for emotion recognition and empathic engagement ...facial images of animals ...
20
Estimativa de vento utilizando imagens SAR do satélite Sentinel1 da ESA
... Os radares de abertura sintética (SAR, do inglês Synthetic Aperture Radar) são sensores ativos que operam na faixa de microondas ( λ de 3 a 20 cm de comprimento) (WACKERMAN; PICHEL; CLEMENTE-COLON, 2003) (ver ...
37