Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-07-01T07:46:47.539953Z
Paper Citation Record · LEDGER
As of 23 August 2026, this Paper Citation Record lists 28 of 28 outbound references and 2 inbound Pith citation observations for arXiv:2605.22425.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-07-01T07:46:47.539953Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-23T06:30:58.430688+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-07-01T07:46:47.539953Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-01T07:55:31.343101Z
28 of 28 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 9509ce3c-142d-4182-8c61-4082522c4433 · outbound
Time-varying rPPG signal separation via block-sparse signal model Time-varying rPPG signal separation via block-sparse signal model
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation cbd044ed-7d07-4036-80c4-b96a35945e12 · outbound
Time-varying rPPG signal separation via block-sparse signal model In the following, we describe each step in detail
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation dccd3bf1-a030-4a47-a419-7a990b86ff92 · outbound
Time-varying rPPG signal separation via block-sparse signal model Experimental settings 3.1.1
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3446f737-2a3c-4ea2-bcad-f010554e3a9c · outbound
Time-varying rPPG signal separation via block-sparse signal model Unresolved cited work
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e366e02f-ff49-4594-8b2d-4b93993a6c59 · outbound
Time-varying rPPG signal separation via block-sparse signal model Photoplethysmography and its application in clinical physiological measurement
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 86b808b2-406a-44e6-b4dd-f997bfce03ac · outbound
Time-varying rPPG signal separation via block-sparse signal model Remote photoplethysmography for heart rate measure- ment: A review
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 34f34bee-d911-4799-9002-e08aab31b323 · outbound
Time-varying rPPG signal separation via block-sparse signal model Dis- tancePPG: Robust non-contact vital signs monitoring using a camera
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation cb8b4d4d-24c2-4060-8116-d7881717b7f4 · outbound
Time-varying rPPG signal separation via block-sparse signal model Re- mote plethysmographic imaging using ambient light
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation a2eed04a-c980-4395-87e4-6c12863e1cf3 · outbound
Time-varying rPPG signal separation via block-sparse signal model Algorithmic principles of remote ppg
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b1fa23f2-e7ae-4b74-86bc-3ab8622b65c2 · outbound
Time-varying rPPG signal separation via block-sparse signal model Robust pulse rate from chrominance-based rppg
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 23c8f714-d8b4-4649-97fe-e5cbd6aad374 · outbound
Time-varying rPPG signal separation via block-sparse signal model Advancements in noncontact, multiparameter physiological measure- ments using a webcam
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b4fa2980-5e97-484b-b77b-8ebdad71df32 · outbound
Time-varying rPPG signal separation via block-sparse signal model Periodic variance maximization us- ing generalized eigenvalue decomposition applied to remote photoplethysmography estimation
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ebdebe84-f3c7-4ea8-9b01-4fcd91f114aa · outbound
Time-varying rPPG signal separation via block-sparse signal model Remote photoplethysmography with constrained ica using peri- odicity and chrominance constraints
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 7ac5ec1f-df73-4d66-a70f-ac60ee381035 · outbound
Time-varying rPPG signal separation via block-sparse signal model On the analysis of fingertip photoplethys- mogram signals
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f8d6ccf0-ed42-4872-a1cd-e4d5206a6c7d · outbound
Time-varying rPPG signal separation via block-sparse signal model Block-sparse recovery with optimal block partition
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f89f246a-923d-4ffc-b4f7-d370db6f7255 · outbound
Time-varying rPPG signal separation via block-sparse signal model Proximal algorithms
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 724bd223-7ef6-48c3-9a83-02ba8b4c72ce · outbound
Time-varying rPPG signal separation via block-sparse signal model Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1c0a4186-b6c4-4efe-a36b-78482a2dda66 · outbound
Time-varying rPPG signal separation via block-sparse signal model Unsupervised skin tissue segmentation for remote photoplethysmography
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 52666b3f-49c3-4bf3-a2ca-9d2501f72579 · outbound
Time-varying rPPG signal separation via block-sparse signal model Non- contact heart rate estimation via adaptive rgb/nir signal fusion
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 64c76b49-dbf8-40b8-a572-da75ef612dba · outbound
Time-varying rPPG signal separation via block-sparse signal model Spatio-temporal structure extraction of blood volume pulse using dynamic mode decomposition for heart rate estimation
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b65fa62c-a052-4f08-b6e6-2a945104a269 · outbound
Time-varying rPPG signal separation via block-sparse signal model Self-adaptive matrix completion for heart rate estimation from face videos under realis- tic conditions
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 7d940267-759a-43e4-9f8c-3d10b4f88f20 · outbound
Time-varying rPPG signal separation via block-sparse signal model Multi-task temporal shift attention networks for on-device contact- less vitals measurement
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation cc386c16-2641-40d5-a5f2-d341fd24cd08 · outbound
Time-varying rPPG signal separation via block-sparse signal model Physformer: Facial video-based physiological mea- surement with temporal difference transformer
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation aab7cebb-5484-4f1a-8df6-3af7471b281d · outbound
Time-varying rPPG signal separation via block-sparse signal model Need for a revision of the normal limits of resting heart rate
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ad26c75e-740e-4ade-84ef-f1733c1dd10a · outbound
Time-varying rPPG signal separation via block-sparse signal model Rhythmnet: End-to-end heart rate estimation from face via spatial- temporal representation
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation a67660ea-afe5-4a51-adb4-5a28723db8bf · outbound
Time-varying rPPG signal separation via block-sparse signal model Unified physiological and illumination modeling for heart rate estimation using dynamic mode decomposi- tion and rgb/nir sensor
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 00b0183b-4845-4cd1-a52b-1af80273fb62 · outbound
Time-varying rPPG signal separation via block-sparse signal model Model- based deep learning: On the intersection of deep learn- ing and optimization
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 035f16f2-cbac-4069-99b3-29e0804835ee · outbound
Time-varying rPPG signal separation via block-sparse signal model Deep unfolding-based image reconstruction for quanta image sensors
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 27c90620-b00d-413f-a79b-e620fefb8b07 · inbound
Time-varying rPPG signal separation via block-sparse signal model Time-varying rPPG signal separation via block-sparse signal model
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9509ce3c-142d-4182-8c61-4082522c4433 · inbound
Time-varying rPPG signal separation via block-sparse signal model Time-varying rPPG signal separation via block-sparse signal model
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.