Remote Sensing

154 tools

Change Detection

5 features
  • Change Vector Analysis

    wasm

    Compares multispectral images from two dates and generates per-pixel change vectors to locate and characterize changes.

  • Image Difference Change Detection

    wasm

    Detects changes from the difference between images.

  • PCA-Based Change Detection

    wasm

    Detects image changes using principal components to localize modifications between temporal observations.

  • Post-Classification Change

    wasm

    Compares classes between dates to identify changes between temporal observations.

  • Write Function Memory Insertion

    wasm

    Inserts a memory function into multitemporal analysis to detect persistent changes between images.

Classification

17 features
  • Evaluate Training Sites

    wasm

    Examines spectral signature overlap between training regions or samples of different classes before image classification.

  • Fuzzy KNN Classification

    wasm

    Classifies pixels using K nearest neighbors with fuzzy membership.

  • Generalize Classified Raster

    wasm

    Simplifies classified regions by removing small patches and isolated edges.

  • Generalize With Similarity

    wasm

    Generalizes a raster using similarity between classes.

  • K-Means Clustering

    wasm

    Groups pixels into K classes via iterative means.

  • KNN Classification

    wasm

    Classifies pixels using the K nearest neighbors.

  • KNN Regression

    wasm

    Estimates continuous values using the K nearest neighbors.

  • Logistic Regression

    wasm

    Fits a logistic model from image variables to estimate probability of class membership.

  • Min Dist Classification

    wasm

    Classifies pixels by minimum distance to class signatures.

  • Modified K-Means Clustering

    wasm

    Clusters pixels using a modified variant of K-means.

  • NND Classification

    wasm

    Classifies pixels by normalized distance to training signatures.

  • Otsu Thresholding

    wasm

    Separates classes using automatic Otsu thresholding.

  • Parallelepiped Classification

    wasm

    Classifies pixels using per-class value ranges.

  • Random Forest Classification

    wasm

    Classifies pixels with a random forest trained from known samples.

  • Random Forest Regression

    wasm

    Predicts continuous per-pixel values using a regression random forest.

  • SVM Classification

    wasm

    Classifies pixels using support vector machines.

  • SVM Regression

    wasm

    Estimates continuous values using support vector regression.

Edge & Feature Detection

7 features
  • Canny Edge Detection

    wasm

    Detects image edges with the Canny method and outputs an outline raster.

  • Corner Detection

    wasm

    Identifies corner patterns in boolean images via template matching and outputs a corner raster.

  • Laplacian Filter

    wasm

    Applies a Laplacian filter to an image and generates a filtered raster.

  • Laplacian of Gaussians Filter

    wasm

    Applies a Laplacian of Gaussians filter to an image and generates a filtered raster.

  • Prewitt Filter

    wasm

    Applies a Prewitt filter to an image and generates a filtered raster.

  • Roberts Cross Filter

    wasm

    Applies a Roberts cross filter to an image and generates a filtered raster.

  • Sobel Filter

    wasm

    Applies a Sobel filter to an image and generates a filtered raster.

Enhancement & Contrast

23 features
  • Balance Contrast Enhancement

    wasm

    Adjusts contrast of a multispectral composite by balancing tonal distributions across bands.

  • Create Colour Composite

    wasm

    Creates a color composite to support enhancement and contrast tasks.

  • Direct Decorrelation Stretch

    wasm

    Reduces correlation between bands and stretches contrast to highlight spectral differences.

  • False Colour Composite

    wasm

    Combines selected bands into a false color composite to highlight land covers or phenomena.

  • Gamma Correction

    wasm

    Adjusts brightness values with a gamma curve to lighten or darken tonal ranges.

  • Gaussian Contrast Stretch

    wasm

    Redistributes values along a Gaussian curve to improve visual image contrast.

  • Histogram Equalization

    wasm

    Redistributes values according to the histogram to increase image contrast.

  • Histogram Matching

    wasm

    Adjusts the tonal distribution of an image to match a target histogram.

  • Histogram Matching Two Images

    wasm

    Computes a histogram matching between two images to support enhancement and contrast tasks.

  • IHS to RGB

    wasm

    Converts intensity, hue, and saturation components into red, green, and blue bands.

  • Min Max Contrast Stretch

    wasm

    Stretches values between defined minimum and maximum to use the full display range.

  • Mosaic

    wasm

    Combines multiple contiguous images into continuous coverage preserving pixel values.

  • Mosaic With Feathering

    wasm

    Joins overlapping images with gradual edge transitions to reduce visible seams.

  • Normalized Difference Index

    wasm

    Computes the normalized difference between two bands to highlight a specific spectral property.

  • Panchromatic Sharpening

    wasm

    Fuses panchromatic detail with multispectral bands for higher spatial sharpness.

  • Percentage Contrast Stretch

    wasm

    Clips extreme histogram percentages and stretches the central range of values.

  • Piecewise Contrast Stretch

    wasm

    Applies a piecewise transformation to enhance selected tonal ranges.

  • Resample

    wasm

    Changes image resolution or alignment using the selected resampling method.

  • RGB to IHS

    wasm

    Converts red, green, and blue bands into intensity, hue, and saturation components.

  • Sigmoidal Contrast Stretch

    wasm

    Applies a sigmoidal curve to increase contrast in the mid-range image values.

  • Split Colour Composite

    wasm

    Separates a color composite into its individual bands for separate analysis.

  • Standard Deviation Contrast Stretch

    wasm

    Stretches values around the mean using standard deviations to improve contrast.

  • True Colour Composite

    wasm

    Combines visible red, green, and blue bands to approximate natural-color display.

Filters

46 features
  • Adaptive Filter

    wasm

    Applies an adaptive filter to an image and outputs a filtered raster.

  • Anisotropic Diffusion Filter

    wasm

    Applies an anisotropic diffusion filter to an image and outputs a filtered raster.

  • Bilateral Filter

    wasm

    Applies a bilateral filter to an image and outputs a filtered raster.

  • Closing

    wasm

    Applies dilation followed by erosion to close small gaps in a binary image.

  • Conservative Smoothing Filter

    wasm

    Applies a conservative smoothing filter to an image and outputs a filtered raster.

  • Diff Of Gaussians Filter

    wasm

    Applies the difference-of-Gaussians filter method to an image.

  • Diversity Filter

    wasm

    Applies a diversity filter to an image and outputs a filtered raster.

  • Edge Preserving Mean Filter

    wasm

    Applies an edge-preserving mean filter to an image and outputs a filtered raster.

  • Emboss Filter

    wasm

    Applies an emboss filter to an image and outputs a filtered raster.

  • Fast Almost Gaussian Filter

    wasm

    Applies a fast near-Gaussian filter to an image and outputs a filtered raster.

  • Flip Image

    wasm

    Flips a raster about its horizontal or vertical axis, producing an inverted-orientation image.

  • Frangi Filter

    wasm

    Applies a Frangi filter to an image and outputs a filtered raster.

  • Gabor Filter Bank

    wasm

    Applies a Gabor filter bank method to an image.

  • Gaussian Filter

    wasm

    Applies a Gaussian filter to an image and outputs a filtered raster.

  • GLCM Texture

    wasm

    Computes texture measures via co-occurrence matrices to describe local image variation.

  • Guided Filter

    wasm

    Applies a guided filter to an image and outputs a filtered raster.

  • High Pass Bilateral Filter

    wasm

    Applies a high-pass bilateral filter to an image and outputs a filtered raster.

  • High Pass Filter

    wasm

    Applies a high-pass filter to an image and outputs a filtered raster.

  • High Pass Median Filter

    wasm

    Applies a high-pass median filter to an image and outputs a filtered raster.

  • Integral Image Transform

    wasm

    Computes an integral image that accelerates rectangular sums over the original image.

  • K Nearest Mean Filter

    wasm

    Smooths each pixel with the mean of its most similar neighbors to preserve edges.

  • Kuwahara Filter

    wasm

    Applies a Kuwahara filter to an image and outputs a filtered raster.

  • Lee Filter

    wasm

    Applies a Lee filter to an image and outputs a filtered raster.

  • LiDAR Ground Point Filter

    wasm

    Classifies ground LiDAR points by removing vegetation and building returns.

  • Line Detection Filter

    wasm

    Applies a line detection filter to an image and outputs a filtered raster.

  • Line Thinning

    wasm

    Reduces raster lines to a one-pixel-wide central axis while preserving connectivity.

  • Majority Filter

    wasm

    Applies a majority filter to an image and outputs a filtered raster.

  • Maximum Filter

    wasm

    Applies a maximum filter to an image and outputs a filtered raster.

  • Mean Filter

    wasm

    Applies a mean filter to an image and outputs a filtered raster.

  • Median Filter

    wasm

    Applies a median filter to an image and outputs a filtered raster.

  • Minimum Filter

    wasm

    Applies a minimum filter to an image and outputs a filtered raster.

  • Non Local Means Filter

    wasm

    Applies a non-local means filter to an image and outputs a filtered raster.

  • Olympic Filter

    wasm

    Applies an Olympic filter to an image and outputs a filtered raster.

  • Opening

    wasm

    Applies erosion followed by dilation to remove small objects from a binary image.

  • Percentile Filter

    wasm

    Applies a percentile filter to an image and outputs a filtered raster.

  • Range Filter

    wasm

    Applies a range filter to an image and outputs a filtered raster.

  • Remove Spurs

    wasm

    Removes short branches from raster lines to clean up skeletons and extracted networks.

  • Savitzky Golay 2D Filter

    wasm

    Applies a Savitzky-Golay 2D filter to an image and outputs a filtered raster.

  • Scharr Filter

    wasm

    Applies a Scharr filter to an image and outputs a filtered raster.

  • Standard Deviation Filter

    wasm

    Applies a standard deviation filter to an image and outputs a filtered raster.

  • Thicken Raster Line

    wasm

    Thickens linear cells in a raster to reinforce narrow or broken connections.

  • Tophat Transform

    wasm

    Highlights small objects via the difference between the image and its morphological opening.

  • Total Filter

    wasm

    Applies a total (sum) filter to an image and outputs a filtered raster.

  • Unsharp Masking

    wasm

    Sharpens by combining the image with a blurred version to emphasize edges.

  • User Defined Weights Filter

    wasm

    Applies a user-defined weights filter to an image and outputs a filtered raster.

  • Wiener Filter

    wasm

    Applies an adaptive Wiener filter to reduce noise while preserving relevant image structures.

OBIA

33 features
  • Build Object Hierarchy Multiscale

    wasm

    Links coarse and fine segments to build a multiscale object hierarchy.

  • Classify Objects Ensemble Pro

    wasm

    Classifies segments by combining multiple trained models and assigns each object a class.

  • Classify Objects Random Forest

    wasm

    Classifies segments with a random forest trained from attributes and samples.

  • Classify Objects Rules Basic

    wasm

    Assigns a class to each segment based on explicit rules over its attributes.

  • Classify Objects Rules Hierarchical

    wasm

    Classifies segments by applying rules at user-defined hierarchical levels.

  • Classify Objects SVM

    wasm

    Classifies segments using a support vector machine trained with samples.

  • Evaluate Object Classification Accuracy

    wasm

    Compares predicted and reference classes to produce per-segment accuracy measures.

  • Evaluate Segmentation Quality Pro

    wasm

    Compares segments against reference data to measure over- and under-segmentation.

  • Image Segmentation

    wasm

    Splits images into homogeneous regions using threshold, step size, and minimum area parameters.

  • Image Slider

    wasm

    Generates an HTML page with a slider to visually compare two images.

  • Image Stack Profile

    wasm

    Generates profiles of values across multiple images at selected points.

  • OBIA Audit Report Pro

    wasm

    Collects artifacts from an OBIA workflow into a reproducible audit report.

  • OBIA Batch Orchestrator Pro

    wasm

    Runs a list of OBIA jobs in batch and logs their outputs.

  • OBIA Pipeline Basic

    wasm

    Runs a basic segmentation and classification workflow from images and training data.

  • Object Class Probability Maps

    wasm

    Converts per-segment class probabilities into spatial probability layers.

  • Object Features Context Neighbors

    wasm

    Computes context attributes from each object's neighboring segments.

  • Object Features Shape Basic

    wasm

    Computes segment shape characteristics such as size and compactness for object-based analysis.

  • Object Features Spectral Basic

    wasm

    Computes spectral statistics of bands within each segment.

  • Object Features Texture GLCM Basic

    wasm

    Computes GLCM texture metrics within each image segment.

  • Object Features Topology Relations

    wasm

    Computes topological relations between segments, such as contact, containment, and adjacency.

  • Object Uncertainty Diagnostics Pro

    wasm

    Identifies low-confidence segments from their classification probabilities.

  • Objects Boundary Refinement Pro

    wasm

    Refines segment boundaries through iterations with a minimum object size.

  • Objects Enforce Min Mapping Unit

    wasm

    Merges or adjusts segments smaller than the defined minimum mapping unit.

  • Polygons To Segments

    wasm

    Converts polygons into a segment raster at the specified cell size.

  • Propagate Labels Across Hierarchy

    wasm

    Transfers labels from parent to child segments using the object hierarchy.

  • Segment Graph Felzenszwalb

    wasm

    Segments images with the Felzenszwalb method using scale, smoothing, and minimum area.

  • Segment Multiresolution Hierarchical

    wasm

    Generates coarse and fine segments forming a multiresolution object hierarchy.

  • Segment Scale Parameter Optimizer

    wasm

    Evaluates candidate segmentation scales and selects suitable parameters for the image.

  • Segment SLIC Superpixels

    wasm

    Segments an image into compact superpixels controlling size, compactness, and minimum area.

  • Segment Watershed Markers

    wasm

    Segments an image via marker-controlled watershed with gradient weighting.

  • Segments Merge Small Regions

    wasm

    Merges small segmented regions based on selected minimum size and method.

  • Segments Split Low Cohesion

    wasm

    Splits segments with low internal cohesion at the specified cut scale.

  • Segments To Polygons

    wasm

    Converts a segment raster into polygons while retaining the selected field.

Radiometric Correction

5 features
  • BRDF Normalization

    wasm

    Applies BRDF normalization to an image.

  • Correct Vignetting

    wasm

    Corrects edge darkening in an image to homogenize brightness.

  • Dark Object Subtraction

    wasm

    Applies dark object subtraction atmospheric correction to an image.

  • DN To TOA Reflectance

    wasm

    Converts digital numbers to top-of-atmosphere reflectance for an image.

  • Terrain Corrected Optical Analytics

    wasm

    Performs optical analytics with terrain correction; supports radiometric correction tasks.

SAR

10 features
  • Cloude Pottier Decomposition

    wasm

    Applies Cloude-Pottier decomposition to an image.

  • Enhanced Lee Filter

    wasm

    Applies an enhanced Lee filter to an image and outputs a filtered raster.

  • Freeman Durden Decomposition

    wasm

    Applies Freeman-Durden decomposition to an image.

  • Frost Filter

    wasm

    Applies a Frost filter to an image and outputs a filtered raster.

  • Gamma Map Filter

    wasm

    Applies a Gamma MAP filter to an image and outputs a filtered raster.

  • H Alpha Wisart Classification

    wasm

    Applies H-alpha Wishart classification to an image.

  • Kuan Filter

    wasm

    Applies a Kuan filter to an image and outputs a filtered raster.

  • Refined Lee Filter

    wasm

    Applies a refined Lee filter to an image and outputs a filtered raster.

  • Wisart Iterative Clustering

    wasm

    Applies Wishart iterative clustering to an image.

  • Yamaguchi 4-Component Decomposition

    wasm

    Applies Yamaguchi four-component decomposition to an image.

Spectral Analytics

5 features
  • Continuum Removal

    wasm

    Normalizes image spectra against their continuum to highlight absorption features.

  • Linear Spectral Unmixing

    wasm

    Applies linear spectral unmixing to an image.

  • Minimum Noise Fraction

    wasm

    Transforms multispectral bands to concentrate signal and separate noise-dominated components.

  • Spectral Angle Mapper

    wasm

    Applies the Spectral Angle Mapper method to an image.

  • Spectral Library Matching

    wasm

    Applies spectral library matching to an image.

Thermal & Emissivity

3 features
  • Land Surface Temperature Single Channel

    wasm

    Estimates land surface temperature from a single thermal band.

  • Land Surface Temperature Split Window

    wasm

    Estimates land surface temperature by combining two thermal bands.

  • NDVI-Based Emissivity

    wasm

    Estimates surface emissivity from NDVI.