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  • Image related methods · 9 ✖
id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
705666782 https://github.com/pydata/xarray/issues/1323#issuecomment-705666782 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDcwNTY2Njc4Mg== dschneiderch 7461221 2020-10-08T16:00:17Z 2020-10-08T16:00:17Z NONE

I am looking at using xarray for managing image data. it looks like the equivalent of an xr.open_image hasn't been developed so consider this a vote in favor 👍 

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   Image related methods 216621142
632819309 https://github.com/pydata/xarray/issues/1323#issuecomment-632819309 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDYzMjgxOTMwOQ== stale[bot] 26384082 2020-05-22T17:28:28Z 2020-05-22T17:28:28Z NONE

In order to maintain a list of currently relevant issues, we mark issues as stale after a period of inactivity

If this issue remains relevant, please comment here or remove the stale label; otherwise it will be marked as closed automatically

 
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399514847 https://github.com/pydata/xarray/issues/1323#issuecomment-399514847 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDM5OTUxNDg0Nw== ebo 601025 2018-06-22T17:12:59Z 2018-06-22T17:12:59Z NONE

On Jun 22 2018 10:10 AM, Scott wrote:

Hey Devs and Users... Just about to embark on a project where I want to populate an X-Array data set with a set of images.. Did this progress? Just trying to save an hour building my own hook to skimage

I have not built hooks into skimage. If you get that to work I would if you could share with me 8-) I'm not fully sure of how to make that work in production, but I would be glad to help test.

 
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399495637 https://github.com/pydata/xarray/issues/1323#issuecomment-399495637 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDM5OTQ5NTYzNw== scollis 825351 2018-06-22T16:10:40Z 2018-06-22T16:10:40Z NONE

Hey Devs and Users... Just about to embark on a project where I want to populate an X-Array data set with a set of images.. Did this progress? Just trying to save an hour building my own hook to skimage 

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373821913 https://github.com/pydata/xarray/issues/1323#issuecomment-373821913 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDM3MzgyMTkxMw== ebo 601025 2018-03-16T19:33:01Z 2018-03-16T19:33:01Z NONE

thank you. I had stumbled onto the "tags" yesterday and had not had time to post back here that I had found it, and sorted through all the tags(), tags(1), and tags(ns="something"). The thing that was quite confusing was you access them in GDAL via GetMetadata, and not GetTags. So, I think I am sorted now. I would agree that there needs to be more info there, but it is possible that it is already available, but not in a single place.

 
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   Image related methods 216621142
373810845 https://github.com/pydata/xarray/issues/1323#issuecomment-373810845 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDM3MzgxMDg0NQ== jhamman 2443309 2018-03-16T18:50:56Z 2018-03-16T18:50:56Z MEMBER

@ebo - I think your issue falls more in line with what was discussed in #1582. Can you read over that issue and perhaps comment there?

 
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   Image related methods 216621142
372482940 https://github.com/pydata/xarray/issues/1323#issuecomment-372482940 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDM3MjQ4Mjk0MA== ebo 601025 2018-03-12T22:24:27Z 2018-03-12T22:24:27Z NONE

When I open up a tiff file, it only shows a few attributes. I have some images which have extensive provenance metadata. How do you access them?

eg: NITF_CSEXRA_SENSOR=PAN NITF_PIAIMC_SENSNAME=QB02 ...

 
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   Image related methods 216621142
289030691 https://github.com/pydata/xarray/issues/1323#issuecomment-289030691 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDI4OTAzMDY5MQ== fujiisoup 6815844 2017-03-24T14:02:24Z 2017-03-24T14:02:24Z MEMBER

@shoyer Thank you for the comment.

What metadata would you get from images?

I'm currently use tag data in tiff files. I guess some people may use exif metadata in jpg files.

If we added this, we would want to defer all the image reading out to an external library

Yes, I agree. skimage is the best candidate? I did not know much about skimage, but this library looks great.

open_image method is possibly overkill...? I will keep this issue just open for a while until similar request comes out.

You're definitely not the first person to ask about this:

My second request seems more general. I will post it as a separate issue.

 
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   Image related methods 216621142
288947882 https://github.com/pydata/xarray/issues/1323#issuecomment-288947882 https://api.github.com/repos/pydata/xarray/issues/1323 MDEyOklzc3VlQ29tbWVudDI4ODk0Nzg4Mg== shoyer 1217238 2017-03-24T06:58:38Z 2017-03-24T06:58:38Z MEMBER

xr.open_image(File)

What metadata would you get from images? [row, column, channel] for a typical color image? I guess this would usually follow skimage's coordinate conventions

If we added this, we would want to defer all the image reading out to an external library such as skimage, e.g., by leveraging skimage.io.imread

xr.DataArray.expand_dims(dim)

You're definitely not the first person to ask about this: http://stackoverflow.com/questions/34987972/expand-dimensions-xray

Yes, this would definitely be welcome in some form.

 
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   Image related methods 216621142

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