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Merged
merged 4 commits into from
May 29, 2024
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Update BosphorusSign #49

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7446e7d
CDL: updating BosphorusSign details
cleong110 May 25, 2024
b2253a9
Merge branch 'master' into dataset/BosphorusSign_update
cleong110 May 25, 2024
19be425
Merge branch 'master' into dataset/BosphorusSign_update
cleong110 May 28, 2024
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CDL: filling out BosphorusSign items, samples, license, contact
cleong110 May 28, 2024
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8 changes: 4 additions & 4 deletions src/datasets/BosphorusSign.json
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Expand Up @@ -3,13 +3,13 @@
"name": "BosphorusSign",
"year": 2016,
"publication": "dataset:camgoz-etal-2016-bosphorussign",
"url": "https://www.cmpe.boun.edu.tr/pilab/BosphorusSign/bosphorusSign_en.html"
"url": "https://ogulcanozdemir.github.io/bosphorussign22k/"
},
"features": [],
"features": ["video:RGBD", "pose:Kinectv2", "gloss"],
"notes": "Kinect v2",
"language": "Turkish",
"#items": 636,
"#samples": "24,161 Samples",
"#items": 595,
"#samples": "22,670 Samples",
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BosphorusSign Turkish Sign Language corpus, which consists of 855 sign and p

https://aclanthology.org/L16-1220.pdf

Where is this info from? this is the number for Bosphorus22K, no?

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@cleong110 cleong110 May 27, 2024 •
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Table 3 of the 22k paper lists statistics for both datasets.
333638579-10e469cc-8511-41f0-99a6-5416479ba427

Edit: https://arxiv.org/pdf/2004.01283 is the link for 22k

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I'm frankly not sure where the original figure of 636 lexicon and 24,161 clips comes from, so I went with the info from the updated citation. Presumably if we went through the dataset access process now and specifically asked for BosphorusSign, not BosphorusSign22k, this is what we'd get?

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@cleong110 cleong110 May 27, 2024 •
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In the original BosphorusSign citation the number given is 855, not 636 or 595, we have:

  • "The corpus contains 855 signs" in the conclusion section
  • Table 2 talks about modalities/features
  • Table 1 talks about other datasets
  • "We have collected 855 signs and phrase samples..." in the introduction section
  • "When completed, the corpus will have at least six repetitions of each sign per-
    formed by 10 signers, giving a wide variance to the data."

What I presume happened is that between the two papers they decided to trim down the "publicly available" data to 595 signs.

Edit: and of course 855 is listed in table 3 of the BosphorusSign22k paper as well, as the overall lexicon size rather than the publicly available subset.

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It also seems that for whatever reason the "when completed... 10 signers" did not happen, as the newer citation lists only 6, and has this to say:

Our dataset is based on the BosphorusSign (Cam-
goz et al., 2016c) corpus which was collected with the pur-
pose of helping both linguistic and computer science com-
munities. It contains isolated videos of Turkish Sign Lan-
guage glosses from three different domains: Health, finance
and commonly used everyday signs. Videos in this dataset
were performed by six native signers, as shown in Figure
1, which makes this dataset valuable for user independent
sign language studies.

"this dataset" I interpreted to mean that BosphorusSign, meaning that both BosphorusSign and BosphorusSign22k have the same number of signers, namely 6.

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So the question here is whether to go with overall stats, or stats for the "publicly available" subset I suppose.

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i think overall stats are more "correct" to use. thanks for checking!

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Hmmm then in that case I'm not sure what to put for "number of clips". Because Table 3 only has "-" for that. Looking through both papers here's the candidates:

  • 1257, the figure directly above in the table, from HospiSign. That seems unlikely. This dataset has way more signs, signers, etc.
  • 22670, the figure directly below. But that's the reduced publicly available set.
  • 855 signs6 signers/sign4 repetitions/signer = 20520?

I think I will just compromise and list it in the JSON with a little note?

"#signers": 6,
"license": "Not Published",
"licenseUrl": null
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