Radargrammetric SAR Image Processing

Méric, Stéphane; Fayard, Franck; Pottier, Éric

doi:10.5772/8300

Cited by 27 publications

(25 citation statements)

References 25 publications

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“…A good compromise is to use a same-side configuration stereo pair with a base to height ratio ranging from 0.25 to 2 to increase the efficiency in the correlation image process (Meric et al, 2009). …”

Section: Introductionmentioning

confidence: 99%

DSMS Generation From Cosmo-Skymed, Radarsat-2 and Terrasar-X Imagery on Beauport (Canada) Test Site: Evaluation and Comparison of Different Radargrammetric Approaches

Capaldo

Crespi

Fratarcangeli

et al. 2013

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:This work is focused on the analysis of potentialities of the radargrammetric DSMs generation using high resolution SAR imagery acquired by three different platforms (COSMO-SkyMed, TerraSAR-X and Radarsat-2) with particular attention to geometric orientation models.Two orientation models have been tested in this work: the rigorous Toutin's model, developed at the Canada Center for Remote Sensing (CCRS) and implemented in the commercial software package PCI Geomatica, and the radargrammetric model developed at University of Rome La Sapienza and implemented in the scientific software SISAR. A full comparison and analysis has been carried out over Beauport test site (Quebec, Canada), where a LIDAR ground truth and a dense set of GNSS CPs (Check points) are available. Moreover, a preliminary comparison between the DSMs extracted, respectively with SISAR and PCI-Geomatica has been performed. The accuracy of the generated DSMs has been evaluated through the scientific software DEMANAL developed by Prof. K. Jacobsen of University of Hannover. As regards orientation models, the results shown that the Toutin's model accuracy is slightly better than the SISAR one, even if it is important to underline that the SISAR model is computed without using a priori ground truth information. As concern DSMs assessment, the global DSMs accuracy in term of RMSE is around 4 meter and the two radargrammetric approaches show similar performances.

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Section: Introductionmentioning

confidence: 99%

DSMS Generation From Cosmo-Skymed, Radarsat-2 and Terrasar-X Imagery on Beauport (Canada) Test Site: Evaluation and Comparison of Different Radargrammetric Approaches

Capaldo

Crespi

Fratarcangeli

et al. 2013

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…Another technique is radargrammetry [316][317][318][319] which is based on the photogrammetry utilizing the parallax of stereoscopic pairs of images of a same area acquired with two different viewing angles. The main difference between the two approaches is that the parallax measurements are made using the phase difference in InSAR and amplitude in radargrammetry.…”

Section: Other Land Featuresmentioning

confidence: 99%

Recent Trend and Advance of Synthetic Aperture Radar with Selected Topics

2013

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The present article is an introductory paper in this special issue on synthetic aperture radar (SAR). A short review is presented on the recent trend and development of SAR and related techniques with selected topics, including the fields of applications, specifications of airborne and spaceborne SARs, and information contents in and interpretations of amplitude data, interferometric SAR (InSAR) data, and polarimetric SAR (PolSAR) data. The review is by no means extensive, and as such only brief summaries of of each selected topics and key references are provided. For further details, the readers are recommended to read the literature given in the references theirin.

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“…Eventually, we want here to draw attention on the effect of SAR epipolar geometry at building location. In order to perform a fast and efficient matching of both images, it is recommended to transform the images in epipolar geometry (Méric et al 2009). International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XL-1/W1, ISPRS Hannover Workshop 2013, 21 -24 May 2013, Hannover, Germany…”

Section: Theoretical Analysismentioning

confidence: 99%

Towards Change Detection in Urban Area by Sar Interferometry and Radargrammetry

Dubois

Thiele

Hinz

2013

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Change detection in urban area is an active topic in remote sensing. However, well-dealt subject in optical remote sensing, this research topic is still at an early stage and needs deeper investigations and improvement in what concerns SAR and InSAR remote sensing. Due to their weather and daylight-independency, SAR sensors allow an all-time observation of the earth. This is determining in cases where rapid change detection is required after a natural -or technological -disaster. Due to the high resolution that can be achieved, the new generation of space-borne radar sensors opens up new perspectives for analysing buildings in urban areas. Moreover, due to their short revisiting cycle, they give rise to monitoring and change detection applications. In this paper, we present a concept for change detection in urban area at building level, relying only on SAR-and InSAR data. In this approach, interferometric and radargrammetric SAR data are merged in order to detect changes. Here, we present the overall workflow, the test area, the required data as well as first findings on the best-suited stereo-configurations for change detection.

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Radargrammetric SAR Image Processing

Cited by 27 publications

References 25 publications

DSMS Generation From Cosmo-Skymed, Radarsat-2 and Terrasar-X Imagery on Beauport (Canada) Test Site: Evaluation and Comparison of Different Radargrammetric Approaches

DSMS Generation From Cosmo-Skymed, Radarsat-2 and Terrasar-X Imagery on Beauport (Canada) Test Site: Evaluation and Comparison of Different Radargrammetric Approaches

Recent Trend and Advance of Synthetic Aperture Radar with Selected Topics

Towards Change Detection in Urban Area by Sar Interferometry and Radargrammetry

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