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https://www.readbyqxmd.com/read/28320663/iterative-re-constrained-group-sparse-face-recognition-with-adaptive-weights-learning
#1
Jianwei Zheng, Ping Yang, Shengyong Chen, Guojiang Shen, Wanliang Wang
In this paper, we consider the robust face recognition problem via iterative re-constrained group sparse classifier with adaptive weights learning (IRGSC). Specifically, we propose a group sparse representation classification (GSRC) approach in which weighted features and groups are collaboratively adopted to encode more structure information and discriminative information than other regression based methods. In addition, we derive an efficient algorithm to optimize the proposed objective function, and theoretically prove the convergence...
March 13, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28318153/-dental-alveolar-bone-and-dental-arch-remodeling-in-children-orthodontic-diagnosis-and-treatments-based-on-individual-child-arch-development
#2
Li Xiaobing
The etiology of malocclusions basically involves both congenital and environmental factors. Malocclusion is the result of the abnormal development of the orofacial complex (including tooth, dental alveolar bone, upper and lower jaws). Early orthodontic interceptive treatments involve the elimination of all congenital and environmental factors that contribute to the malformation of the orofacial complex, as well as interrupt the deviated development of the orofacial complex and the occlusion. Early orthodontic interceptive treatments mainly aim to use children's growth potential to correct abnormal developments of occlusions and orthodontically treat malocclusions more efficiently...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28300551/role-of-caveolin-1-vascular-endothelial-growth-factor-pathway-in-basic-fibroblast-growth-factor-induced-angiogenesis-and-neurogenesis-after-treadmill-training-following-focal-cerebral-ischemia-in-rats
#3
Qiongyi Pang, Huimei Zhang, Zhenzhen Chen, Yudan Wu, Min Yidian Bai Liu, Yun Zhao, Fengxia Tu, Chan Liu, Xiang Chen
Exercise is known to aid functional recovery following ischemia, though the mechanisms responsible for the beneficial effects of exercise on recovery from ischemic stroke are not fully understood. Basic fibroblast growth factor (bFGF) contributes to angiogenesis and promotes neurologic functional recovery after stroke. The present study aimed to investigate the possible mechanisms whereby treadmill exercise ameliorated impaired angiogenesis and neurogenesis following transient cerebral ischemia in middle cerebral artery occlusion (MCAO) rats...
March 11, 2017: Brain Research
https://www.readbyqxmd.com/read/28296045/one-year-outcomes-after-successful-chronic-total-occlusion-percutaneous-coronary-intervention
#4
W M Wilson, S J Walsh, A Bagnall, A T Yan, C G Hanratty, M Egred, E Smith, K G Oldroyd, M McEntegart, J Irving, H Douglas, J Strange, J C Spratt
We aimed to determine clinical outcomes 1 year after successful chronic total occlusion (CTO) PCI and, in particular, whether use of dissection and re-entry strategies affects clinical outcomes. Hybrid approaches have increased the procedural success of CTO percutaneous coronary intervention (PCI) but longer-term outcomes are unknown, particularly in relation to dissection and re-entry techniques. Data were collected for consecutive CTO PCIs performed by hybrid-trained operators from 7 United Kingdom (UK) centres between 2012 and 2014...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28289423/automated-method-to-determine-two-critical-growth-stages-of-wheat-heading-and-flowering
#5
Pouria Sadeghi-Tehran, Kasra Sabermanesh, Nicolas Virlet, Malcolm J Hawkesford
Recording growth stage information is an important aspect of precision agriculture, crop breeding and phenotyping. In practice, crop growth stage is still primarily monitored by-eye, which is not only laborious and time-consuming, but also subjective and error-prone. The application of computer vision on digital images offers a high-throughput and non-invasive alternative to manual observations and its use in agriculture and high-throughput phenotyping is increasing. This paper presents an automated method to detect wheat heading and flowering stages, which uses the application of computer vision on digital images...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28285476/resuscitative-endovascular-balloon-occlusion-of-the-aorta-pushing-care-forward
#6
William Teeter, Anna Romagnoli, Jacob Glaser, Andrew D Fisher, Jason Pasley, Brian Scheele, Melanie Hoehn, Megan Brenner
BACKGROUND: Resuscitative endovascular balloon occlusion of the aorta (REBOA), used to temporize noncompressible and junctional hemorrhage, may be deployable to the forward environment. Our hypothesis was that nonsurgeon physicians and high-level military medical technicians would be able to learn the theory and insertion of REBOA. METHODS: US Army Special Operations Command medical personnel without prior endovascular experience were included. All participants received didactic instruction of the Basic Endovascular Skills for Trauma Course™ together, with individual evaluation of technical skills...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28285473/a-modern-case-series-of-resuscitative-endovascular-balloon-occlusion-of-the-aorta-reboa-in-an-out-of-hospital-combat-casualty-care-setting
#7
Justin D Manley, Benjamin J Mitchell, Joseph J DuBose, Todd E Rasmussen
BACKGROUND: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is used to mitigate bleeding and sustain central aortic pressure in the setting of shock. The ER-REBOA™ catheter is a new REBOA technology, previously reported only in the setting of civilian trauma and injury care. The use of REBOA in an out-of-hospital setting has not been reported, to our knowledge. METHODS: We present a case series of wartime injured patients cared for by a US Air Force Special Operations Surgical Team at an austere location fewer than 3km (5-10 minutes' transport) from point of injury and 2 hours from the next highest environment of care-a Role 2 equivalent...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28275919/fully-automated-deep-learning-system-for-bone-age-assessment
#8
Hyunkwang Lee, Shahein Tajmir, Jenny Lee, Maurice Zissen, Bethel Ayele Yeshiwas, Tarik K Alkasab, Garry Choy, Synho Do
Skeletal maturity progresses through discrete phases, a fact that is used routinely in pediatrics where bone age assessments (BAAs) are compared to chronological age in the evaluation of endocrine and metabolic disorders. While central to many disease evaluations, little has changed to improve the tedious process since its introduction in 1950. In this study, we propose a fully automated deep learning pipeline to segment a region of interest, standardize and preprocess input radiographs, and perform BAA. Our models use an ImageNet pretrained, fine-tuned convolutional neural network (CNN) to achieve 57...
March 8, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28267121/current-techniques-for-postoperative-monitoring-of-microvascular-free-flaps
#9
Nasir Khatri, Shuhao Zhang, Santosh S Kale
Free tissue transfer (FTT) is used in patients with complicated reconstructive needs; it can provide stable wound coverage, improved aesthetic appearance, and restore functional deficits. Despite the high success rates of free flaps, vascular occlusion is a significant risk leading to flap failure. Many studies have demonstrated that the salvage rate for flaps is inversely related to the time between onset of a vascular problem and its surgical correction. As a result, ongoing postoperative monitoring of free flaps for adequate perfusion is imperative to allow timely and accurate diagnosis of vascular compromise...
March 2017: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/28224640/low-load-resistance-training-with-low-relative-pressure-produces-muscular-changes-similar-to-high-load-resistance-training
#10
Daeyeol Kim, Jeremy P Loenneke, Xin Ye, Debra A Bemben, Travis W Beck, Rebecca D Larson, Michael G Bemben
INTRODUCTION: This study compares the acute and chronic response of high-load resistance training (HL) to low-load resistance training with low blood flow restriction (LL-BFR) pressure. METHODS: Participants completed elbow flexion with either HL or LL-BFR or nonexercise. In the chronic study, participants in the HL and LL-BFR groups were trained for 8 weeks to determine differences in muscle size and strength. The acute study examined the changes in pretesting/posttesting (Pre/Post) torque, muscle swelling, and blood lactate...
February 22, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28214579/motor-training-and-the-combination-of-action-observation-and-peripheral-nerve-stimulation-reciprocally-interfere-with-the-plastic-changes-induced-in-primary-motor-cortex-excitability
#11
Ambra Bisio, Laura Avanzino, Monica Biggio, Piero Ruggeri, Marco Bove
AO-PNS is a stimulation protocol combining action observation (AO) and peripheral nerve stimulation (PNS) to induce plasticity in the primary motor cortex (M1) (increased excitability). Another method to increase M1 excitability is motor training. The combination of two protocols, which individually induce long-term potentiation (LTP)-like plasticity in overlapping neural circuits, results in a transitory occlusion or reverse of this phenomenon. This study aimed to understand the neurophysiological mechanisms underlying AO-PNS by testing whether AO-PNS and motor training induced LTP-like plasticity in, at least partially, overlapping neural networks...
February 15, 2017: Neuroscience
https://www.readbyqxmd.com/read/28211462/zebrafish-tracking-using-convolutional-neural-networks
#12
Zhiping Xu, Xi En Cheng
Keeping identity for a long term after occlusion is still an open problem in the video tracking of zebrafish-like model animals, and accurate animal trajectories are the foundation of behaviour analysis. We utilize the highly accurate object recognition capability of a convolutional neural network (CNN) to distinguish fish of the same congener, even though these animals are indistinguishable to the human eye. We used data augmentation and an iterative CNN training method to optimize the accuracy for our classification task, achieving surprisingly accurate trajectories of zebrafish of different size and age zebrafish groups over different time spans...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194343/the-effect-of-a-condylar-repositioning-plate-on-condylar-position-and-relapse-in-two-jaw-surgery
#13
Gyu Sik Jung, Taek Kyun Kim, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
BACKGROUND: Numerous condylar repositioning methods have been reported. However, most of them are 2-dimensional or are complex procedures that require a longer operation time and a highly trained surgeon. This study aims to introduce a new technique using a condylar repositioning plate and a centric relation splint to achieve a centric relationship. METHODS: We evaluated 387 patients who had undergone surgery for skeletal jaw deformities. During the operation, a centric relation splint, intermediate splint, final centric occlusion splint, and condylar repositioning plate along with an L-type mini-plate for LeFort I osteotomy or a bicortical screw for bilateral sagittal split ramus osteotomy were utilized for rigid fixation...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28191797/digital-transillumination-in-caries-detection-versus-radiographic-and-clinical-methods-an-in-vivo-study
#14
Cynthia Lara-Capi, Maria Grazia Cagetti, Peter Lingström, Gianfranco Lai, Fabio Cocco, Charlotte Simark-Mattsso, Guglielmo Campus
OBJECTIVES: This paper was aimed to evaluate: a) the agreement between a near-infrared light transillumination device and clinical and radiographic examinations in caries lesion detection and b) the reliability of images captured by the transillumination device. METHODS: Two calibrated examiners evaluated the caries status in premolars and molars on 52 randomly selected subjects using: for the occlusal surfaces the transillumination device comparing it with a clinical examination, and for the approximal surfaces, the transillumination device with a radiographic examination (bitewings radiographs)...
February 13, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28186878/latent-class-hough-forests-for-6-dof-object-pose-estimation
#15
Rigas Kouskouridas, Alykhan Tejani, Andreas Doumanoglou, Danhang Tang, Tae-Kyun Kim
In this paper we present Latent-Class Hough Forests, a method for object detection and 6 DoF pose estimation in heavily cluttered and occluded scenarios. We adapt a state of the art template matching feature into a scale-invariant patch descriptor and integrate it into a regression forest using a novel template-based split function. We train with positive samples only and we treat class distributions at the leaf nodes as latent variables. During testing we infer by iteratively updating these distributions, providing accurate estimation of background clutter and foreground occlusions and, thus, better detection rate...
February 7, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28185073/natural-conception-rates-in-subfertile-couples-following-fertility-awareness-training
#16
P Frank-Herrmann, C Jacobs, E Jenetzky, C Gnoth, C Pyper, S Baur, G Freundl, M Goeckenjan, T Strowitzki
PURPOSE: To analyze cumulative pregnancy rates of subfertile couples after fertility awareness training. METHODS: A prospective observational cohort study followed 187 subfertile women, who had received training in self-observation of the fertile phase of the menstrual cycle with the Sensiplan method, for 8 months. The women, aged 21-47 years, had attempted to become pregnant for 3.5 years on average (range 1-8 years) before study entry. Amenorrhea, known tubal occlusion and severe male factor had been excluded...
April 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28183839/mr-imaging-of-individual-perfusion-reorganization-using-superselective-pseudocontinuous-arterial-spin-labeling-in-patients-with-complex-extracranial-steno-occlusive-disease
#17
V Richter, M Helle, M J P van Osch, T Lindner, A S Gersing, P Tsantilas, H-H Eckstein, C Preibisch, C Zimmer
BACKGROUND AND PURPOSE: Patients with multiple stenoses or occlusions of the extracranial arteries require an individualized diagnostic approach. We evaluated the feasibility and clinical utility of a novel MR imaging technique for regional perfusion imaging in this patient group. MATERIALS AND METHODS: Superselective pseudocontinuous arterial spin-labeling with a circular labeling spot enabling selective vessel labeling was added to routine imaging in a prospective pilot study in 50 patients (10 women, 70...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28174613/banknote-recognition-investigating-processing-and-cognition-framework-using-competitive-neural-network
#18
Oyebade K Oyedotun, Adnan Khashman
Humans are apt at recognizing patterns and discovering even abstract features which are sometimes embedded therein. Our ability to use the banknotes in circulation for business transactions lies in the effortlessness with which we can recognize the different banknote denominations after seeing them over a period of time. More significant is that we can usually recognize these banknote denominations irrespective of what parts of the banknotes are exposed to us visually. Furthermore, our recognition ability is largely unaffected even when these banknotes are partially occluded...
February 2017: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/28174436/cardiovascular-response-to-bouts-of-exercise-with-blood-flow-restriction
#19
Kestutis Bunevicius, Arturas Sujeta, Kristina Poderiene, Birute Zachariene, Viktoras Silinskas, Rimantas Minkevicius, Jonas Poderys
[Purpose] Occlusion training with low-intensity resistance exercises and blood flow restriction increases muscle cross-sectional area and strength. This form of training is used in rehabilitation; therefore, the aim of this study was to examine the effect of one occlusion training session on the cardiovascular response to bouts of exercise. [Subjects and Methods] Two groups took part: a control group without blood flow restriction and an experimental group with blood flow restriction. A single training session was used with the exercise intensity set at 40% of the one repetition maximum...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28170412/expertise-differences-in-anticipatory-judgements-during-a-temporally-and-spatially-occluded-task
#20
Joe Causer, Nicholas J Smeeton, A Mark Williams
There is contradictory evidence surrounding the role of critical cues in the successful anticipation of penalty kicks in soccer. In the current study, skilled and less-skilled soccer goalkeepers were required to anticipate when viewing penalty kicks that were both spatially (full body; hip region) and temporally (-160 ms, -80 ms before, foot-ball contact) occluded. The skilled group outperformed the less-skilled group in all conditions. Participants performed better in the full body condition when compared to hip region condition...
2017: PloS One
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