All Questions
Tagged with vectorization feature-extraction
4
questions
4
votes
1
answer
888
views
Seeking GIS tool to automatically extract polygon geometries from images
Let's say I have multiple png images like the following one:
I'd like to find a way where I can automatically draw polygon geometries on this image. Something like the following:
My expectation is ...
2
votes
2
answers
658
views
Extracting coastline as vector from landsat 8 imagery?
I am trying to detect some sea level rise/fall for a specific region, from Landsat imagery.
I went through the recommended methods of identifying water/land (MNDWI, AWEI, Bandratio 5/2, etc.).
Now ...
1
vote
6
answers
1k
views
In what real-world examples do users still digitize features from a map?
Is digitizing of map features completely dead?
For example, when and why do you still digitize features from a map?
It can be heads digitizing up from a scanned paper map (or image, or whatever) or ...
7
votes
2
answers
9k
views
Extracting road and building features from raster data using ArcGIS Desktop?
I work with raster data and my task is to digitize a big image. This consumes much time just for digitizing roads and buildings!
I'm looking for tools to simplify working on raster data to digitize ...