Questions tagged [remote-sensing]
Collecting and interpreting information about the environment and the surface of the earth from a distance, primarily by sensing radiation that is naturally emitted or reflected by the earth's surface or from the atmosphere, or by sensing signals transmitted from a device and reflected back to it.
955
questions
12
votes
8answers
2k views
Is there a smartphone app for mobile asset logging?
I'm after a recommendation for a smartphone app (iPhone or Android) to log asset information for litter bins. I need the following features
GPS
geotagged photos
Form with drop down menus for user ...
10
votes
6answers
893 views
Resources for Calculating the Geometry In Oblique Photographs
Currently I am using supervisory classification algorithms to calculate the landuse within a certain image, the issue being the images are sourced from high oblique photography. I know the focal ...
6
votes
2answers
915 views
Disaggregating aggregate GIS data using remote sensing
I haven't really done much with remote sensing imagery. I have census data for an area, and a TIFF raster image of the area.
I'm sure this is possible, is there a simple way to disaggregate the ...
24
votes
6answers
11k views
Is GPS more accurate on specific hours of the day?
I have heard that the GPS system is more accurate, and less accurate on some specific hours on the day.
If this is true, how can I get the information on when GPS is more or less accurate at my ...
18
votes
4answers
13k views
Free GIS software for orthorectification?
Could someone recommend a free and/or open source GIS application that can orthorectify map images?