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I am doing object detection for a specific class, say, chairs .

I want to download images of chairs from imageNet. I also want to download the annotation xml files (bounding boxes) from imageNet.

Both these things are provided on imageNet and I have successfully been able to download them using a tool called ImageNet_Utils

https://github.com/tzutalin/ImageNet_Utils

But the downloaded images and bounding boxes don't have matching names. So it is impossible to tell which xml file is for which image.

How do I download images and bounding boxes from imageNet such that corresponding image and annotation xml files have matching names?

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  • $\begingroup$ Did you find an answer to your question? $\endgroup$
    – user3731622
    Nov 7, 2018 at 1:30
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    $\begingroup$ @user3731622 I didn't use the tool mentioned above. I downloaded the images and annotation files directly from ImageNet. You have to first apply stating that you need the dataset for academic purposes only. A couple days later, you are given access. When you download from ImageNet, the images and annotation files have the same names. $\endgroup$
    – Nirvan Anjirbag
    Nov 7, 2018 at 10:28

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But the downloaded images and bounding boxes don't have matching ames. So it is impossible to tell which xml file is for which image.

I don't think that happens, image and annotation may have same name. But Bbox and image is odd.

Still if you meant image and annotation that would be odd.

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  • $\begingroup$ The annotation file and the image don't have matching names. $\endgroup$
    – Nirvan Anjirbag
    Jun 14, 2018 at 6:44
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You can use the mapping described here:

Access (image names, image URLs) mapping by synset ID

If you download the original images of a synset from a tar file, you may want to know the original image URLs given the image names. You can obtain the mapping between image names and image URLs through http://www.image-net.org/api/text/imagenet.synset.geturls.getmapping?wnid=[wnid]

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