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P3D v5 Water detection observations and UE's

Clutch Cargo

Clutch Cargo

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1,457
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unitedstates
"Always worth a try"

I agree. So what would you like/need? I can send you an image and its matching water I believe in polygon and/or tiff format (it's been awhile, so I will have to look). Each image is from 400MB (1m), 1GB(60cm) to 4GB(30cm). Geographic areas vary, mostly Southern California but I do have areas in Washinton, Colorado, Arizona and New Mexico. I am assuming the more variety the better.

Does the resolution make a difference or what matters more is the matching water? Do you even need the image? If you need images as well, would smaller TFE sample images work just as well (thinking of sizes/quantity to upload and work with)?

I guess my last question... would uploading a single image & water suffice for an initial test? Would you be able to run a test on a single image and see if that works? Just don't want to upload 100's of GB if it does not work.
 
arno

arno

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FSDevConf team
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netherlands
Hi,

I would need both the image and the water mask. To train the algorithm you need both of them.

We can try with one or two images. I'll probably have to split them into parts as the training is done on smaller samples, but that's no issue.

More variation in geographical area is indeed better. Resolution does not matter too much, I think I used 60 cm before to train, but 1 meter should also do.
 
Clutch Cargo

Clutch Cargo

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1,457
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unitedstates
I have uploaded a first round of sample data. Check your email for the link. It is in the state of Washington, USA where I was having the most issues with water detection so I hope this will serve as a good test. Lots of rapids in the water so a mixture of colors and lots of greenery on the banks of the river. The waterpolys and matching images were basically first run through TFE, and then I went back and hand-annotated the water to match the imagery. Not super precise but maybe good enough for the first test. I have better hand-annotated water matching water almost down to the pixel which we can try next.

Included in download:
An overall screenshot of the area
small samples images that I used in TFE (300+)
shapefiles of the water
geotiffs of the same shapefiles (has WP in the filename for WaterPoly)
Large geotiff images at 60cm, 4-band
 
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