Airborne & Mobile LiDAR, 3D Scanning & Modelling, Surveys
"When efficiency and precision matters"
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Large Format Aerial Photography
African Consulting Surveyors owns and operates following systems:
2 Large Format Camera Systems 2 Standard Camera System 1 Oblique Fully Integrated System
Large format aerial photography replaces aerial film photography in the aerial photogrammetry industry, but with the continued use of an unchanged workflow. Small-scale or large-scale imagery is delivered with high-quality resolution using state-of-the-art modular systems for single frame or multi-frame camera systems aboard aircraft flown at varying altitudes to produce pristine single large format imagery. Imagery include classic RGB images obtained from a combination of Red, Green and Blue sensors aboard the camera; or the inclusion of a fourth Near-Infrared (NIR) sensor to produce Colour-Infrared (CIR) imagery. CIR imagery finds its use especially with the detection and analysis of vegetation, based on the principle that vegetation readily reflects infrared light. This makes it perfect for applications such as tree count, plant health monitoring, plant biomass analysis, and even temporal urbanisation monitoring.
Based on varying flying altitudes, various ground sampling distances (GSDs) provide unparalleled spatial resolution and accuracy – ensuring very high radiometric and geometric resolution – a necessity for the identification and analysis of spatial features. GSD is a directly proportional to flight altitudes thus giving an average of 1000 m/AGL for 5 cm/pix; 2000 m/AGL for 10 cm/pix; and 3000 m/AGL for 15 cm/pix. This all translates to the production of an enormous range of mapping possibilities and deliverables that include Digital Terrain Models (DTMs) and orthophotos for any use of your choice.
Large format aerial photography provides high-resolution imagery of vast landscapes, infrastructure, and urban environments. This method involves using advanced aerial cameras mounted on aircraft to capture wide-area images with exceptional clarity. The resulting imagery is crucial for industries such as mapping, land surveying, agriculture, and urban planning.
Unlike standard aerial imaging, large format aerial photography utilizes high-resolution sensors that capture extensive areas in a single frame. This approach minimizes distortion and enhances image clarity, making it ideal for precise measurements, topographic mapping, and environmental monitoring. The increased detail allows for more informed decision-making across multiple industries.
City planners, engineers, and architects rely on large format aerial imagery for urban development projects. From monitoring road networks to assessing construction progress, high-resolution aerial photos provide valuable data for designing smarter cities. Government agencies also use aerial imagery for zoning, land-use planning, and disaster response.
While both aerial photography and satellite imagery capture large-scale landscapes, they serve different purposes: Resolution & Detail – Large format aerial photos offer significantly higher resolution than most satellite images. Flexibility – Aerial surveys can be scheduled for specific locations and timeframes, whereas satellite imaging depends on orbital positioning. Weather Independence – Satellite images are often obstructed by cloud cover, while aerial surveys can be conducted under optimal conditions. These advantages make large format aerial photography the preferred choice for detailed mapping and project-specific applications.
Modern aerial cameras equipped with advanced sensors, multispectral capabilities, and GPS integration have revolutionized large format aerial photography. These innovations allow for greater precision in photogrammetry, 3D modeling, and automated data processing. The combination of high-resolution optics and AI-powered analysis enhances accuracy and efficiency in aerial surveys.
Large format aerial photography plays a crucial role in tracking environmental changes, deforestation, and coastal erosion. Conservationists use aerial imagery to assess ecosystems, detect illegal land use, and monitor the health of natural habitats. Land managers also benefit from high-resolution images for sustainable resource planning and agricultural management.
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African Consulting Surveyors (ACS) is a leading geospatial service and solution provider. A company based on sound engineering and surveying principles we provide our clients with ‘out the box’ innovation, focusing on increasing return on investment (ROI) on our projects.
