Orthoimagery

ASI offers premier orthoimagery acquisition and processing services for a wide variety of applications.  Our digital orthoimagery is available at multiple resolutions and spectrums (RGB and 4-band). ASI uses technology from trusted aerial imagery brands like Vexcel and Leica to offer flexibility in acquisition. Our large format cameras provide maximum coverage of your AOI increasing efficiency in collection which saves our clients time and money. 

Freeway interchange in San Diego, CA taken with ASI's large format Falcon Mark2 for a private engineering firm
Substation infrastructure taken with ASI's Leica digital camera as part of a transmission and substation project.
ASI supports engineers nationwide in the development of renewable energy sites for both pre and post-construction
River Delta Captured by ASI's Falcon Mark2
Near-Infrared Imagery (NIR) Collected by ASI's Falcon Mark2
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Common Applications for ASI Orthoimagery

  • Annual base map update
  • Planimetric feature extraction
  • Image analysis
  • GIS base layer / Land base
  • Engineering design
  • Asset management
  • Municipal and government maps
  • Right-of-way mapping
  • Environmental assessment
  • Public & private land development
  • Urban planning
  • Watershed management
  • Landscape architecture
  • Agriculture / Crop science

Let's get started working on your next project.

Our orthophotography workflow contains quality control measures throughout every step of the process to ensure our clients receive the best possible geospatial data. 

Beyond Orthophotography

Near-Infrared Imagery (NIR)

Near-infrared imagery (NIR) captures wavelengths emanating from vegetation to produce a more detailed orthoimage for monitoring and analysis of vegetation, soil, and wetlands. In a NIR image, the internal cell structure of vegetation strongly reflects the NIR wavelength, providing a more robust indicator of plant health than the visible green wavelength reflection of chlorophyll in the leaves. 

Common Applications for Color-Infrared Imagery

Planimetric Mapping

Planimetric mapping is the representation of natural or man-made features layered on a map. Features are extracted from orthoimagery data in the form of lines and polygons. There is a vast amount of information that can be derived from base map data which supports a multitude disciplines. ASI provides innovative solutions for extracting valuable information from base maps.

Anything visible in the orthoimagery can be digitized but common items found in planimetric maps include:

  • Building footprints
  • Sidewalks
  • Street and curbs
  • Impervious surfaces
  • Utility lines
  • Vegetation

View all the features we extract

Orthorectification

Imagery has an amazing amount of information, but raw aerial imagery cannot be used in for GIS until it has been processed such that all pixels are in an accurate (x,y) position on the ground. Orthorectification is the process of converting images into a form suitable for mapping by removing sensor and aircraft motion and terrain-related geometric distortions from raw imagery. The orthorectification process requires an accurate description of the sensor, detailed information about the sensor location and orientation for every image, and an accurate digital elevation model (DEM). After imagery has been orthorectified, it can be used within a GIS and accurately overlaid with other data layers

Layer-up Your Basemap

Your basemap imagery deserves layers. Our photogrammetry & GIS specialists can add above ground planimetric features, topographic contours, vector detail, and more.  These additional layers add  value to your data and help capitalize on your existing or future imagery.

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