Methods and analysis
Class Imbalance in Satellite Mapping: Rare Targets Need Explicit Evaluation
Class imbalance occurs when some classes occupy far fewer samples or area than others.
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THE ITSENSING JOURNAL
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Practical satellite reviews, remote sensing methods and GIS workflows. Explore the science, understand the limits, and take your next project into iT Sensing.
341articles4topics
Satellite reviews
Landsat 1 Review: Measurements, Products and Practical GIS Use
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Methods and analysis
Probability Calibration and Confidence Maps in Remote Sensing
A model score, vote fraction and calibrated probability are different quantities.
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Methods and analysis
Semantic Segmentation of Satellite Imagery: Patches, Edges and Leakage
Semantic segmentation assigns classes across image pixels using spatial context.
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Methods and analysis
Object Detection in Satellite Images: Size, Orientation and Missed Targets
Object detection predicts locations and classes of defined objects.
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Methods and analysis
Regression from Satellite Data: Units, Bias and Applicability
Regression estimates a continuous target from imagery and other predictors.
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Methods and analysis
Feature Importance in GeoAI: Association Is Not Causation
Feature importance describes how a fitted model uses predictors under a particular calculation.
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Methods and analysis
Change Detection Models: Separate Real Change from Observation Differences
A change model compares observations or derived features across time.
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Methods and analysis
Land-Cover Area Estimation: A Classified Pixel Count Is Not Enough
Counting classified pixels gives map area under the classifier’s decisions.
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Methods and analysis
Monitoring Model Drift: When a Working Satellite Model Needs Review
Model drift describes changing input or performance conditions after deployment.
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GIS integration
GeoTIFF for Remote Sensing: Coordinates, Bands and Numeric Meaning
GeoTIFF combines raster values with georeferencing and related metadata.
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GIS integration
Cloud Optimized GeoTIFF: Efficient Access Without Changing the Measurement
A Cloud Optimized GeoTIFF organizes imagery so compatible clients can request useful byte ranges and overview levels.
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GIS integration
STAC Items: Discovering Satellite Assets with Explicit Metadata
A STAC Item describes a spatiotemporal asset using a GeoJSON-based structure and links to data.
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