Multiple Incidence Angle SIR-B Experiment over Argentina: Stereo-Radargrammetric Analysis

Franz Leberl; Gitta Domik; J. Raggam; J. Cimino; M. Kobrick

doi:10.1109/TGRS.1986.289662

Multiple Incidence Angle SIR-B Experiment over Argentina: Stereo-Radargrammetric Analysis

Franz Leberl, Gitta Domik, J. Raggam, J. Cimino, M. Kobrick

Institute of Computer Graphics and Vision (7100)

Research output: Contribution to journal › Article › peer-review

Abstract

Four overlapping SIR-B radar images were obtained across southern Argentina; these form a total of six stereo models with intersection angles ranging from 5° to 23°. This data set is uniquely suited for experimental evaluation of some basic assumptions on stereo -radargrammetry. Each stereo model was measured on a specially programmed photogrammetric analytical plotter; the resulting coordinates of ground points were compared with those from maps. It is concluded that accuracies are lower than expected at the larger stereointersection angles, amounting to about ±60 m in each coordinate direction. This might be explained by limitations of the quality of stereofusion caused by look angle differences and specular point migration, backscatter differences due to different incidence angles, differences in azimuth directions, and image noise and speckle.

Original language	English
Pages (from-to)	482-491
Journal	IEEE Transactions on Geoscience and Remote Sensing
Volume	24
Issue number	4
DOIs	https://doi.org/10.1109/TGRS.1986.289662
Publication status	Published - 1986

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118 - Multiple Incidence Angle - Stereo, Leberl et al., 1986.pdfFinal published version, 0.98 MB

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title = "Multiple Incidence Angle SIR-B Experiment over Argentina: Stereo-Radargrammetric Analysis",

abstract = "Four overlapping SIR-B radar images were obtained across southern Argentina; these form a total of six stereo models with intersection angles ranging from 5° to 23°. This data set is uniquely suited for experimental evaluation of some basic assumptions on stereo -radargrammetry. Each stereo model was measured on a specially programmed photogrammetric analytical plotter; the resulting coordinates of ground points were compared with those from maps. It is concluded that accuracies are lower than expected at the larger stereointersection angles, amounting to about ±60 m in each coordinate direction. This might be explained by limitations of the quality of stereofusion caused by look angle differences and specular point migration, backscatter differences due to different incidence angles, differences in azimuth directions, and image noise and speckle.",

author = "Franz Leberl and Gitta Domik and J. Raggam and J. Cimino and M. Kobrick",

year = "1986",

doi = "10.1109/TGRS.1986.289662",

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journal = "IEEE Transactions on Geoscience and Remote Sensing",

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T1 - Multiple Incidence Angle SIR-B Experiment over Argentina: Stereo-Radargrammetric Analysis

AU - Leberl, Franz

AU - Domik, Gitta

AU - Raggam, J.

AU - Cimino, J.

AU - Kobrick, M.

PY - 1986

Y1 - 1986

N2 - Four overlapping SIR-B radar images were obtained across southern Argentina; these form a total of six stereo models with intersection angles ranging from 5° to 23°. This data set is uniquely suited for experimental evaluation of some basic assumptions on stereo -radargrammetry. Each stereo model was measured on a specially programmed photogrammetric analytical plotter; the resulting coordinates of ground points were compared with those from maps. It is concluded that accuracies are lower than expected at the larger stereointersection angles, amounting to about ±60 m in each coordinate direction. This might be explained by limitations of the quality of stereofusion caused by look angle differences and specular point migration, backscatter differences due to different incidence angles, differences in azimuth directions, and image noise and speckle.

AB - Four overlapping SIR-B radar images were obtained across southern Argentina; these form a total of six stereo models with intersection angles ranging from 5° to 23°. This data set is uniquely suited for experimental evaluation of some basic assumptions on stereo -radargrammetry. Each stereo model was measured on a specially programmed photogrammetric analytical plotter; the resulting coordinates of ground points were compared with those from maps. It is concluded that accuracies are lower than expected at the larger stereointersection angles, amounting to about ±60 m in each coordinate direction. This might be explained by limitations of the quality of stereofusion caused by look angle differences and specular point migration, backscatter differences due to different incidence angles, differences in azimuth directions, and image noise and speckle.

U2 - 10.1109/TGRS.1986.289662

DO - 10.1109/TGRS.1986.289662

M3 - Article

VL - 24

SP - 482

EP - 491

JO - IEEE Transactions on Geoscience and Remote Sensing

JF - IEEE Transactions on Geoscience and Remote Sensing

SN - 0196-2892

IS - 4

ER -

Multiple Incidence Angle SIR-B Experiment over Argentina: Stereo-Radargrammetric Analysis

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