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Sensor geometry model adjustment service. Service that adjusts sensor geometry models to improve the match of
the image with other images andor known ground positions.
Image geometry model conversion service. Service that converts sensor geometry models into a different but equivalent sensor geometry model.
Image subsetting service. Service that extracts data from an image in a continuous spatial region either by
geographic location or by grid coordinates.
Image sampling service. Service that extracts data from an image using a consistent sampling scheme either by geographic location or by grid coordinates.
Image tiling change service. Service that changes the tiling of geographic image.
9.3.4.2 Geographic imagery processing services – thematic
The following is a non-exhaustive listing of geographic processing services – thematic.
Image classification service. Service to classify regions of geographic image based on thematic attributes. Classification of images subdivides a coverage into regions based on attribute values.
Image subsetting service. Service that extracts image elements, e.g., from a larger set based on thematic
characteristics.
Geographic information extraction services. Services supporting the extraction of feature and terrain information from remotely sensed and scanned images.
Image processing service. Service to change the range values of an image using a mathematical function.
Example functions include: convolution, data compression, feature extraction, frequency filters, geometric operations, non-linear filters, and spatial filters.
Image modification servicesOGC doc. 00-115
Automated image matching servicesOGC doc. 00-115
Reduced resolution generation service. Service that reduces the resolution of an image.
Image Manipulation Services. Services for manipulating data values in images: changing colour and contrast
values, applying various filters, manipulating image resolution, noise removal, striping, systematic-radiometric corrections, atmospheric attenuation, changes in scene illumination, etc.
Image understanding services. Services that provide automated image change detection, registered image
differencing, significance-of-difference analysis and display, and area-based and model-based differencing.
Image interpretation service. Inferring symbolic scene descriptions from image data.
Image synthesis services. Services for creating or transforming images using computer-based spatial models, perspective transformations, and manipulations of image characteristics to improve visibility, sharpen resolution,
andor reduce the effects of cloud cover or haze.
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Multi-band image manipulation. Services that modify an image using the multiple bands of the image. Examples
include: ratioing; principal components transformation, Intensity-Hue-Saturation colour space transformation, de- correlation-stretching.
Object detection service. Service to detect real-world objects in an image.
9.3.4.3 Geographic imagery processing services – temporal
