Which imagery has the highest resolution data?
Google Earth – Free access to high resolution imagery (satellite and aerial) Google Earth offers free access to some of the highest resolution satellite imagery, although the highest resolution images are actually taken from airplanes. Most of the data on Google Earth was taken in the last 3-4 years.
How accurate and reliable are satellite imagery maps?
The control points derived from satellite imagery have an accuracy of 22.8 meters RMSE, which is significantly more accurate than the 48 control-points based on aerial photography (41.3 meters RMSE; t-test p-value < 0.01).
Who is the provider of high resolution satellite imagery?
Airbus has entered into an agreement with Twenty-First Century Aerospace Technology Co. Ltd (21AT), the Chinese commercial satellite operator, for the distribution of the images acquired by their TripleSat constellation. A new high-resolution sensor offers monitoring of any place on Earth revealing details as small as 80 centimetres.
How to get a high resolution satellite image?
1 Set your AOI, choose “high-resolution images” as a source data, and apply appropriate satellite filters to access the list of available high-resolution satellite images according to your query. 2 Check the area of intersection with your AOI, the satellite imagery pricing, and other necessary details to select the image that best fits your needs.
Can a Dem be generated from stereo imagery?
Previous researches evaluated the accuracy of DEMs generated from stereo imagery of different satellite sensors, however there is not enough quantitative analysis concerning the capability of satellite-based DEM in active tectonic studies.
What is the resolution of WorldView-2 stereo imagery?
The Worldview-2 sensor provides panchromatic imagery with the resolution of 0.46 m (0.52 m resolution imagery when deviating from sub-satellite point of 20°) and multispectral band image with the resolution of 1.8 5 m (2.07 m resolution imagery when deviating from sub-satellite point of 20°) ( Jawak and Luis, 2011 ).