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coolzhao / Geo-SAM

A QGIS plugin tool using Segment Anything Model (SAM) to accelerate segmenting or delineating landforms in geospatial raster images.
MIT License
199 stars 26 forks source link

Unable to add custom image #1

Closed stewe12 closed 1 year ago

stewe12 commented 1 year ago

Everytime I try to use different custom image for segmentation it says: Point is located outside of the image boundary. I tried different rasters, different projections, WMS, XYZ tiles... Is there a way how to change boundary where I want to do the segmentation?

I am on Windows 11 64bit, QGis 3.30, tried plugins version 1.0.2 and dev 1.0.3.

It is probably user error, but I am not able to find how to fix that.

Anyhow, thank you for the work you are doing! The sample looks really promising!

Stepan

coolzhao commented 1 year ago

Hi Stepan, thank you for your interest. Sorry to let you know that our tool currently only supports preprocessed images (whose features have been generated in advance using a separate program). We are now building a tool for encoding images inside QGIS, which will soon be available. I will let you know when it's ready, so stay tuned.

stewe12 commented 1 year ago

Oh I see. So it was user error as I expected :-) Is there a way how I can preprocess them myself?

I am asking, because I tried different implementation of SAM for GIS use and your really looks the best for my use case. I need semi guided ortho classification, mainly on middle eastern maps.

For example I tried using this project: https://github.com/opengeos/segment-geospatial But on my maps it had mixed results. European ortho was working good, but middle easter is much harder to recognize features and it struggled hard. A that is where I expect your implementation be really superior with human inputs.

coolzhao commented 1 year ago

Hi, Stepan. I got your expectation. As I said, the tool and script for preprocessing images will soon be available. The project you mentioned uses the same SAM model as ours, so we should share the same starting point. But our tool aims to make the interactive process more efficient, and I hope it may help your task in the future.