Wei Ji

Results 115 issues of Wei Ji

In #28 and #80, we've developed a geographic sampling scheme based on WorldCover that is supposed to sample a diverse set of regions based on landcover types. However, in #60/#68,...

bug
data-pipeline

_Originally posted by @ritwikvashistha in https://github.com/Clay-foundation/model/issues/161#issuecomment-2002602847_ > Hi, I tried using the model on my Mac M1 Pro as well as on Binder. But I ran into the same issue...

bug

Idea that came up during our regular meetings, on generalizing the cloud-cover percentage patch-level info (i.e. extending #168) to other bands/channels, so that someone could apply other filters based on...

enhancement
help wanted

Draft tutorial for Digital Earth Pacific. Using the STAC API at https://stac.staging.digitalearthpacific.org and looking at their Sentinel-2 GeoMAD and Sentinel-1 mean composite. Note that I've used [`jupytext`](https://github.com/mwouts/jupytext) to pair the...

Jupyter notebook script to generate GeoParquet embedding files on a per MGRS tile basis. Steps: 1. The script first generates an mgrs_world.txt file with a list of MGRS code names...

Training foundation models can use up a lot of energy and emit signficant amounts of carbon emissions, and we should be transparent on this, since the Clay Foundation Model has...

benchmark

Using mean and standard deviation normalization is a common procedure in standard Computer Vision, and can be applied e.g. by using `torchvision`'s [Normalize](https://pytorch.org/vision/main/generated/torchvision.transforms.Normalize.html) function. But this normalization can lead to...

bug
data-pipeline

A mmsegmentation configuration file for the irrigation_scenes dataset on https://huggingface.co/datasets/ibm-nasa-geospatial/hls_irrigation_scenes. As this is a time-series dataset with data from four months stored in four different folders, a custom SpatioTemporalDataset class...

Just got some great ideas after attending this Cloud-Native Geospatial Event (https://schedule.cloudnativegeo.org) and learned a lot about Spatial Temporal Asset Catalogs (STAC) and OGC API standards! So the people working...

enhancement

Contributing a new satellite-sensor database entry just got easier with #33. Now let's document it in [CONTRIBUTING.md](https://github.com/APECS-Earth-Observation/Polar-EO-Database/blob/main/CONTRIBUTING.md)! Steps: 1. Go to https://github.com/APECS-Earth-Observation/Polar-EO-Database/issues/new/choose and select 'New Database Entry' 2. Provide instructions...

documentation