High-Resolution Satellite Imagery Providers
Updated: 6 days ago
High-resolution satellite imagery refers to satellite images with a high level of detail and clarity. These images are captured using satellites equipped with high-resolution cameras that can capture images with pixel resolutions as low as 30 cm. These images are widely used for a variety of applications such as mapping, urban planning, agriculture, and resource management, among others. High-resolution satellite imagery helps provide valuable information for decision-making in various industries, as well as for scientific research and analysis.
Difference between Very High Resolution, High Resolution, Medium Resolution, and Low-Resolution Satellite Images
Very high-resolution satellite images typically have a spatial resolution of 30 cm or less, meaning that each pixel in the image represents a 30 cm x 30 cm area on the ground.
High-resolution satellite images have a spatial resolution of 30/50/70 cms, which provides pretty good detail and clarity.
Medium-resolution satellite images have a spatial resolution of 1 to 5 meters, which provides less detail than high-resolution imagery, but still allows for larger areas to be viewed in a single image.
Low-resolution satellite images have a spatial resolution of 5 meters or greater and provide the least amount of detail. These images are typically used for large-scale mapping and monitoring applications.
Higher-resolution satellite imagery provides more detail and clarity, while lower-resolution imagery provides a broader overview of larger areas. The choice of resolution will depend on the specific requirements of the application and the level of detail needed to achieve the desired results.
Types of Satellite Imagery
There are several types of satellite imagery that are commonly used for various applications:
Optical satellite imagery: Captures images using visible light and infrared sensors, and provides detailed information about the physical features of the Earth's surface, such as buildings, vegetation, and topography.
Synthetic Aperture Radar (SAR) imagery: Uses radar to capture images, and provides information about the surface of the Earth regardless of weather conditions or time of day. SAR imagery is particularly useful for mapping, disaster response, and military applications.
Multi-spectral imagery: Captures images in multiple different bands of the electromagnetic spectrum, such as visible light, infrared, and ultraviolet, and provides information about different types of vegetation, land use, and water quality.
Interferometric Synthetic Aperture Radar (InSAR) imagery: Uses multiple SAR images to measure changes in the Earth's surface, and is commonly used for monitoring and studying geological processes such as earthquakes and volcanic eruptions.
Hyperspectral imagery: Captures images in hundreds of narrow spectral bands, and provides information about the chemical composition and properties of the Earth's surface. Hyperspectral imagery is commonly used for environmental monitoring, resource management, and military intelligence.
Top Satellite Imagery Providers
Maxar: Provides high-resolution satellite imagery: Offers high-resolution imagery with a resolution of up to 30 cm, as well as medium-resolution imagery and large-scale mapping solutions. More details: https://www.geowgs84.com/maxar-satellite-imagery/
Planet: Provides high-resolution imagery with a resolution of up to 3 meters, and operates a large fleet of Earth-observing satellites that can capture images on a daily basis.
Airbus Defence and Space: Offers high-resolution imagery with a resolution of up to 50 cm, as well as medium-resolution imagery and large-scale mapping solutions.
Satellogic: The company's focus is on providing low-cost, high and medium-resolution satellite imagery. More details https://www.geowgs84.com/satellogic
SIIS: Offers imagery with a resolution of up to 50 cm, as well as medium-resolution imagery and large-scale mapping solutions. More details: https://www.geowgs84.com/kompsat-satellite-imagery
BlackBridge: Offers imagery with a resolution of up to 50 cm, as well as medium-resolution imagery and large-scale mapping solutions.
Where can you buy the satellite imagery:
LandInfo
L3Harris Geospatial
GeoCento
Maxar
SkyWatch
Airbus
SatImaging Corp
Uses of Satellite Imagery
Environmental monitoring: Used to monitor and study the Earth's environment, including land use, natural resources, and climate change.
Agriculture: Used to monitor crops, track crop growth, and detect early signs of crop stress, helping farmers make informed decisions about their crops.
Disaster response: Used to assess the impact of natural disasters such as hurricanes, earthquakes, and wildfires, and to support relief and recovery efforts.
Urban planning: Used to map and monitor urban areas, including population density, land use, and infrastructure, to support urban planning and development.
Security and defense: Used for surveillance and intelligence gathering by military and government agencies.
Energy and resources: Used to map and monitor energy infrastructure, mineral resources, and offshore oil and gas exploration.
Transportation: Used to map and monitor transportation infrastructure, including roads, bridges, and ports, and to support planning and maintenance efforts.
Real estate: Used to map and monitor real estate developments, including residential and commercial properties, to support investment and marketing efforts.
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