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Showing results for matthew camera
Search for Matthew Mamera instead (2 results)
Estimating Sit-to-Stand Dynamics Using a Single Depth Camera.
Matthew RP, Seko S, Bailey J, Bajcsy R, Lotz J. Matthew RP, et al. IEEE J Biomed Health Inform. 2019 Nov;23(6):2592-2602. doi: 10.1109/JBHI.2019.2897245. Epub 2019 Feb 4. IEEE J Biomed Health Inform. 2019. PMID: 30716057
This paper presents and validates a method for estimating dynamic effects such as joint torques and body momenta using a single depth camera. An allometrically scaled, sagittal plane dynamic model is used to estimate the joint torques at the ankles, knees, hips, and low ba …
This paper presents and validates a method for estimating dynamic effects such as joint torques and body momenta using a single depth cam …
Infant heart-rate measurement and oxygen desaturation detection with a digital video camera using imaging photoplethysmography.
Wieler ME, Murphy TG, Blecherman M, Mehta H, Bender GJ. Wieler ME, et al. J Perinatol. 2021 Jul;41(7):1725-1731. doi: 10.1038/s41372-021-00967-1. Epub 2021 Mar 1. J Perinatol. 2021. PMID: 33649437
OBJECTIVE: To assess the feasibility of using an ordinary digital video camera to measure heart rate and detect oxygen desaturations in healthy infants. ...Desaturations detected by camera were 75% sensitive (15/20) and had a positive predictive value of 20% (15/74) …
OBJECTIVE: To assess the feasibility of using an ordinary digital video camera to measure heart rate and detect oxygen desaturations …
Surgical Coaching from Head-Mounted Video in the Training of Fluoroscopically Guided Articular Fracture Surgery.
Karam MD, Thomas GW, Koehler DM, Westerlind BO, Lafferty PM, Ohrt GT, Marsh JL, Van Heest AE, Anderson DD. Karam MD, et al. J Bone Joint Surg Am. 2015 Jun 17;97(12):1031-9. doi: 10.2106/JBJS.N.00748. J Bone Joint Surg Am. 2015. PMID: 26085538 Review.
METHODS: Fifteen first-year or second-year orthopaedic surgery residents reduced and fixed a standardized intra-articular tibial plafond fracture model under fluoroscopic guidance. Their performances were recorded by a head-mounted video camera. Prior to repeating the proc …
METHODS: Fifteen first-year or second-year orthopaedic surgery residents reduced and fixed a standardized intra-articular tibial plafond fra …
Deep learning pose estimation for multi-cattle lameness detection.
Barney S, Dlay S, Crowe A, Kyriazakis I, Leach M. Barney S, et al. Sci Rep. 2023 Mar 18;13(1):4499. doi: 10.1038/s41598-023-31297-1. Sci Rep. 2023. PMID: 36934125 Free PMC article.
Utilising computer vision and deep learning, the system can analyse simultaneously both the posture and gait of each cow within a camera field of view to a very high degree of accuracy (94-100%). ...
Utilising computer vision and deep learning, the system can analyse simultaneously both the posture and gait of each cow within a camera …
Kinematic and Kinetic Validation of an Improved Depth Camera Motion Assessment System Using Rigid Bodies.
Matthew RP, Seko S, Bajcsy R, Lotz J. Matthew RP, et al. IEEE J Biomed Health Inform. 2019 Jul;23(4):1784-1793. doi: 10.1109/JBHI.2018.2872834. Epub 2018 Oct 1. IEEE J Biomed Health Inform. 2019. PMID: 30281504
High-end motion capture systems, however, are expensive and require dedicated camera spaces with lengthy setup and data processing commitments. Depth cameras, such as the Microsoft Kinect, provide an inexpensive, marker-free alternative at the sacrifice of joint-pos …
High-end motion capture systems, however, are expensive and require dedicated camera spaces with lengthy setup and data processing co …
Imaging high-dimensional spatial entanglement with a camera.
Edgar MP, Tasca DS, Izdebski F, Warburton RE, Leach J, Agnew M, Buller GS, Boyd RW, Padgett MJ. Edgar MP, et al. Nat Commun. 2012;3:984. doi: 10.1038/ncomms1988. Nat Commun. 2012. PMID: 22871804 Free PMC article.
Here we show that modern electron-multiplying charge-coupled device cameras can measure correlations in both position and momentum across a multi-pixel field of view. This capability allows us to observe entanglement of around 2,500 spatial states and demonstrate Einstein- …
Here we show that modern electron-multiplying charge-coupled device cameras can measure correlations in both position and momentum ac …
Fast, Flexible Closed-Loop Feedback: Tracking Movement in "Real-Millisecond-Time".
Sehara K, Bahr V, Mitchinson B, Pearson MJ, Larkum ME, Sachdev RNS. Sehara K, et al. eNeuro. 2019 Nov 1;6(6):ENEURO.0147-19.2019. doi: 10.1523/ENEURO.0147-19.2019. Print 2019 Nov/Dec. eNeuro. 2019. PMID: 31611334 Free PMC article.
Here, we use a dynamic vision sensor (DVS) based event-driven neuromorphic camera system to implement real-time, low-latency tracking of a single whisker that mice can move at 25 Hz. ...
Here, we use a dynamic vision sensor (DVS) based event-driven neuromorphic camera system to implement real-time, low-latency tracking …
Compensatory biomechanics and spinal loading during dynamic maneuvers in patients with chronic low back pain.
Nyayapati P, Booker J, Wu PI, Theologis A, Dziesinski L, O'Neill C, Zheng P, Lotz JC, Matthew RP, Bailey JF. Nyayapati P, et al. Eur Spine J. 2022 Jul;31(7):1889-1896. doi: 10.1007/s00586-022-07253-4. Epub 2022 May 20. Eur Spine J. 2022. PMID: 35604457 Free PMC article.
METHODS: We collected in-clinic motion data from 44 non-specific LBP (NS-LBP) and 42 spinal deformity LBP (SD-LBP) patients during routine clinical visits. An RGB-depth camera tracked 3D joint positions from the frontal view during unassisted, repeated STS maneuvers. ...
METHODS: We collected in-clinic motion data from 44 non-specific LBP (NS-LBP) and 42 spinal deformity LBP (SD-LBP) patients during routine c …
Unsupervised Machine Learning on Motion Capture Data Uncovers Movement Strategies in Low Back Pain.
Keller AV, Torres-Espin A, Peterson TA, Booker J, O'Neill C, Lotz JC, Bailey JF, Ferguson AR, Matthew RP. Keller AV, et al. Front Bioeng Biotechnol. 2022 Apr 14;10:868684. doi: 10.3389/fbioe.2022.868684. eCollection 2022. Front Bioeng Biotechnol. 2022. PMID: 35497350 Free PMC article.
Using unsupervised machine learning on full body biomechanics, including kinematics, dynamics, and muscle forces, captured with a marker-less depth camera, this study identified a forward-leaning sit-to-stand strategy (STS) as a discriminating movement biomarker for LBP su …
Using unsupervised machine learning on full body biomechanics, including kinematics, dynamics, and muscle forces, captured with a marker-les …
43 results