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Record W2981951814 · doi:10.4095/219742

SAR Image Techniques for Mapping Areas of Landslides

2000· report· en· W2981951814 on OpenAlexaff
V. Singhroy, K.E. Mattar

Bibliographic record

Venuenot available
Typereport
Languageen
FieldEnvironmental Science
TopicLandslides and related hazards
Canadian institutionsNatural Resources Canada
Fundersnot available
KeywordsLandslideRemote sensingGeologyImage (mathematics)CartographyComputer scienceGeographyComputer visionGeomorphology

Abstract

fetched live from OpenAlex

This paper shows that InSAR perspective view and airborne InSAR images are very useful for geomorphic characterization of landslide features in high relief terrains. Landslides cause approximately 1000 deaths a year, worldwide, with property damage of about US $4 billion. Developing new remote sensing techniques to identify and characterise landslides and debris flows will assist in the current national landslide inventory and hazard mapping in mountainous areas. Geomorphic characterization using large scale air photos are essential for large scale landslide hazard zonation maps. This is effectively done from the interpretation of large scale stereo air photographs and field mapping. In this study, we report on the use high-resolution airborne InSAR and perspective visualization techniques to map detailed landslide features in high relief terrains. We also show that high resolution fine mode (8m) RADARSAT image (40-50 degrees), although not as useful as the airborne InSAR images, can be used to identify some landslide features, thereby assisting in hazard mapping. The SAR image techniques provided information on detail slope profiles of the large rockslides occurring on steep slopes and along faults. From the images, faults, rock slumps, block slides, slide scars and debris slopes and ridges were identified. This study points the way of the potential of using high resolution optical and SAR stereo images to identify landslide features in areas where air photos are not readily available.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.010

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.017
GPT teacher head0.264
Teacher spread0.247 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreOther

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations19
Published2000
Admission routes1
Has abstractyes

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