Pith. sign in

Paper Citation Record · LEDGER

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face?

As of 14 August 2026, this Paper Citation Record lists 33 of 33 outbound references and 0 inbound Pith citation observations for arXiv:2507.20884.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2507.20884 v2

Coverage vector

measured 33 of 33 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-06T13:16:02.886228Z

measured 33 of 33 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

33 of 33 outbound references displayed

  • verified exact5
  • verified fuzzy0
  • unresolved21
  • parse uncertain0
  • malformed identifier4
  • metadata mismatch3

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation bae4686f-52b9-49c9-9e13-3ddb26fd0237 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 1

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.642779Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.351997Z digest=sha256:b7e1a6a573c13df4dbaa6fb817d08e93947722868ad90cfddd9a4265372ad985

Observation b618b4dd-601f-449a-ae42-e57550c30967 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 2

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.634466Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.507852Z digest=sha256:d7f31715ac00da96dde2a8697342826c16bc58af112b7ad66b1aa2e0759cd939

Observation d9b0f9e4-57de-4d06-9c00-ce9b74a76eee · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 3

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.626674Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.597765Z digest=sha256:8a487226c583eb740b63c51bb08ae115da4b2563ee2b790bb564e0349c35dfac

Observation 8c9532ce-6c3c-4b34-ac42-f06c50fc5d0a · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 4

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.618855Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.693284Z digest=sha256:3603dd499a09877f9685e8a3e4054aa434a84bdeee10d94bd79835f9904daf85

Observation 746f8484-aa63-469e-9660-1322b88a8350 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:00.841623Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:00.841623Z digest=sha256:5c3f2171182b94672842e057ee93acec322bea1bc7a67238ddc33a7170c8059b

Observation 36ffe251-8c50-4063-9381-1b90304ddf30 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 6

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:00.905064Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:00.905064Z digest=sha256:276b14f4763825a65c5ccf70e6a32e03e2c2523fb33043ee6edf4550bbcd9434

Observation fb96c553-846f-4d0a-80d1-643918324e20 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:00.972466Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:00.972466Z digest=sha256:08500a74ad68c9c58d6f2d960aa0a5a7a3c058b47b644da96bd6b0c51d872f0f

Observation deea07d4-c07f-42e6-8d02-462f65962a6f · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 8

Resolution
malformed identifier
no resolver link, observed 2026-08-06T13:16:01.084131Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.084131Z digest=sha256:56b46b740338dc755dd9039535e97006e32ccdcd68552cb84235d5abf2bbe7bb

Observation f5c0144c-df04-4102-8db7-ac0491d2d166 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 9

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.611079Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.150837Z digest=sha256:36c34883c75fdf86c8a4e937794d799de210ddb430e3f2a19a503c989bf880b4

Observation 6223404c-3a04-4d7f-9fc0-06b51a2f0a74 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 10

Resolution
malformed identifier
raw_fallback, observed 2026-08-06T13:16:05.603124Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.238864Z digest=sha256:a03e627ac2cb1423c55b5331de241f2e69da4da7b4cfa41e9d819658fb335379

Observation 315593c6-7ee3-49f3-9435-c115ef00d40f · outbound

This paper cites The Kinetics Human Action Video Dataset.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? The Kinetics Human Action Video Dataset

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.303726Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.303726Z digest=sha256:48de70e97769a8c216767f3cf01fa6b8e6e0de79dd012a5a20d35cd0fb482d00

Observation 727599fd-dca4-41f8-a2db-3d8f88c3a004 · outbound

This paper cites Quantitative Survey of the State of the Art in Sign Language Recognition.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Quantitative Survey of the State of the Art in Sign Language Recognition

Reference 12

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.387968Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.387968Z digest=sha256:2dcb395cd5bffe766e88b6bf74be704f8ed7c46ed3a0d93dc27864dcbd1f02d6

Observation 7c3a2828-2d4a-4e9a-a942-99b6a68db976 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 13

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.482622Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.482622Z digest=sha256:2228492d16dc1c3ea857bd177c7b8e2b4300fe0cd30a88432da01b774e905fa5

Observation 9f7eb7b8-2e19-4a6b-8e10-19cb24d737b2 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 14

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.595448Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.548454Z digest=sha256:bb354aac72a46da29bac4d0d76d0f48391136fc9402566b8ccfbeec9541ec473

Observation 24ffeaa6-5cd1-4a43-b24e-f9d2e262568b · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 15

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.604930Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.604930Z digest=sha256:7c9646c4a4e56c56baee5bb4769d337b38f54e1ba1aa4c7b23237c16ef7b40cb

Observation 45293059-0a03-4cc1-a579-53b10ba12bb1 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 16

Resolution
verified exact
doi, observed 2026-08-06T13:16:03.661067Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.661687Z digest=sha256:461fb7893a96c9026890b01f487972ce43c6502746969a3c7fdccb3bb5533608

Observation c8b251b5-83b1-41cf-8ec5-571ba0b2127c · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 17

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.586796Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.754476Z digest=sha256:ba0c30d46fb27edf63e4c3bd454ba4c91ce2f10f49722490a7eef9b802911403

Observation 5b53c11a-c770-4e5f-be58-446f45b60275 · outbound

This paper cites MediaPipe: A Framework for Building Perception Pipelines.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? MediaPipe: A Framework for Building Perception Pipelines

Reference 18

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.849054Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.849054Z digest=sha256:97a630dd5071575e551dac18a0a4dc77e9ad66f384860a12be983f9aa0c6f6cd

Observation 596ba001-ba84-4d69-b24f-090b7a545d46 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 19

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:01.915328Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:01.915328Z digest=sha256:d4779e6e1948d239ee634f81b8da512a709536b0df131cf30393a9312cd38915

Observation 818d1b77-b10d-4e68-adad-0f3c3a14621f · outbound

This paper cites Rodríguez-Ortiz.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Rodríguez-Ortiz

Reference 20

Resolution
verified exact
raw_fallback, observed 2026-08-06T13:16:04.878591Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:01.996539Z digest=sha256:4708d96261b09e74686c4e52260a21881e2808ef361a21c69d5a00b315774aaf

Observation 01e16535-c929-4dd7-b513-dd62efb803e8 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 21

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.577724Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.116857Z digest=sha256:c7d453b3fc3641003c1fca1b5971784518e0d0623e73f0d9e57e1dde2cf49d8b

Observation 7c65c768-5461-4f22-8d80-214c55849bf2 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 22

Resolution
verified exact
doi, observed 2026-08-06T13:16:03.315077Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.216597Z digest=sha256:4e2b1bf125f02a0bd5faa583a26ae940f6c03952a61eb53a859cc78c36106c9d

Observation 4f7ee267-7680-46ec-8669-c053d7169744 · outbound

This paper cites López-Ortiz, Luis M.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? López-Ortiz, Luis M

Reference 23

Resolution
verified exact
doi, observed 2026-08-06T13:16:03.207279Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.284728Z digest=sha256:0299ae76ec49523293bbf27ce4bc7edf64b2efe9b35c6651360302482b7eb72b

Observation 460889d4-44c6-42a6-b295-6ce33bb7e763 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 24

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.568995Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.390078Z digest=sha256:cee9a6130e021be879af698ba52e6fadd90657be1152066fd586dd0138352c72

Observation 097efd37-eba3-4936-b20a-e454f9adca2a · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 25

Resolution
verified exact
doi, observed 2026-08-06T13:16:03.039804Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.460113Z digest=sha256:497a124e21937471cace5d853e514de4886a6052fd4d87d36ab0b294833ab067

Observation ec57d878-fbd9-4ae5-af3c-29cddb868654 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 26

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:02.506256Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:02.506256Z digest=sha256:8e178f1c5ef2be66dd51c5409bd0899784cecae3404c15721ff9c292ce6a2ede

Observation b13bd460-09e1-4533-9df2-d8ab8f48a581 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 27

Resolution
malformed identifier
no resolver link, observed 2026-08-06T13:16:02.589857Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:02.589857Z digest=sha256:f601f5f4654179eea8fe7ef00a2fb9184512ac5742b647bcf6b966ea2c547209

Observation 82a766f7-daed-4fad-b64b-cbfde63ff9b0 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 28

Resolution
unresolved
raw_fallback, observed 2026-08-06T13:16:05.559994Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.663902Z digest=sha256:8ec0ee8b7141fa9625d2d2a80d98c5a77bef9f129129e91909c79609d58318dc

Observation 95e91094-783d-4d46-a530-b29bf99931e8 · outbound

This paper cites SmoothGrad: removing noise by adding noise.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? SmoothGrad: removing noise by adding noise

Reference 29

Resolution
unresolved
no resolver link, observed 2026-08-06T13:16:02.728043Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:02.728043Z digest=sha256:1a0850d7af09efc3317467fe7b57e9363cbaac85d67b1f70bc94009843107ecd

Observation 5a35a136-314a-4801-9c91-f18a14a7bec7 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 30

Resolution
malformed identifier
no resolver link, observed 2026-08-06T13:16:02.815201Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T13:16:02.815201Z digest=sha256:97448820a5fa117cd51b9ced85cd4f011a79bd60d23ac1e4473b360e5dbb4103

Observation 329e1a1b-bc54-4557-b7bd-f91e655def9a · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 31

Resolution
metadata mismatch
raw_fallback, observed 2026-08-06T13:16:04.109040Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:02.886228Z digest=sha256:d7db2ef9da5225abaedd5808ab236010f4c4e77177faa2e11441c98ae2230b97

Observation 8077ebb0-8796-4fdc-9bc9-370951a9e9a3 · outbound

This paper cites an unresolved cited work.

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? Unresolved cited work

Reference 186

Resolution
metadata mismatch
raw_fallback, observed 2026-08-06T13:16:05.549709Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.424018Z digest=sha256:870a3f4655c066c027aba2131a8eb66983e797eb65f85df87852e5612ac5a3fc

Observation 84649dea-fb3e-44f9-8ead-a9bab298bff2 · outbound

This paper cites In Proceedings of the 29th ACM International Conference on Multimedia (Virtual Event, China) (MM ’21).

The Importance of Facial Features in Vision-based Sign Language Recognition: Eyes, Mouth or Full Face? In Proceedings of the 29th ACM International Conference on Multimedia (Virtual Event, China) (MM ’21)

Reference 2021

Resolution
metadata mismatch
raw_fallback, observed 2026-08-06T13:16:05.487897Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-06T13:16:00.762875Z digest=sha256:3e2e3f938d6201b22f0e4f2b3e46ef84d75230cc7a7bd74294e637ecaeaeef4a

Pith citing papers

No inbound Pith citation observations are available.