optimization integrated veins

Ginkgo leaf veins possess a similar architecture (Esau, 1960) and capacity for creating gradients in vein properties, but other taxa with exceedingly long veins, such as cycads (Bierhorst, 1971 ...

Abstract: This letter investigates the optimization of beamforming design in a system with integrated sensing and communication (ISAC), where the base station (BS) sends signals for simultaneous multiuser communication and radar sensing. We aim at maximizing the energy efficiency (EE) of the multiuser communication while …

Therefore, we divide the synergetic optimization process into two main steps. In §3.1, we first use the nutrient transport model to analyse the morphology of bifurcated veins in the radial direction, and in §3.2, we use the maximum stiffness model to elucidate the generation of circumferential veins. 3. Results. 3.1.

A contactless PVR system (CPVR) that uses an integrated learning approach (ILA) to recognise the palm veins from the given input images while ensuring user comfort and ease of use is described. —Palm Vein Recognition (PVR) is a new biometric authentication technology that provides both security and convenience. This paper describes a …

Therefore, this project proposes an automatic vein detection algorithm using deep learning for Intravenous (IV) access purposes. U-Net, a fully connected network (FCN) …

Robot technology is considered one of the most promising technologies to achieve intelligent production, with picking robots being the most common type. Picking robots are highly integrated mechatronic systems, which autonomously complete tasks including picking, carrying, and sorting. The application of picking robots enhances the efficiency of …

The flow field structure has an important influence on the output performance of proton exchange membrane fuel cells (PEMFCs). In this paper, the flow field structure of multi-branch veins PEMFC is taken as the research object. Through the simulation analysis of COMSOL Multiphysics, the computational fluid dynamics (CFD) software, it can be …

We present a hybrid constraint optimization (HCO) matching algorithm for vein reconstruction to solve the matching failure problems caused by the incomplete segmentation of vein structures captured from different views. This algorithm initially introduces the existence of the epipolar and homography constraints in the …

Overall, this paper presents an integrated hardware and software solution for the NIR image acquisition of a vein visualization system to cope with the image visualization of the vein for a ...

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The application of hydrogen storage technology to improve renewable energy consumption and integrated energy use has important research significance. This paper studies optimization of the IES considering multi-energy collaboration in carbon-free hydrogen ports. Security constrained unit commitment (SCUC) is a key issue in the …

At present, there are many pieces of research on the single-branch veins bionic flow field, but the researches on the multi-branch veins bionic flow field only stays at the specific model level without specific analysis. In this paper, a new veins bionic flow field with multi-branch channels is proposed. The wider main channel and parallelogram ...

This paper proposes a palm vein authentication model using convolutional neural networks (CNN), which is the most popular deep learning architecture and Bayesian optimization, and achieves an average identification accuracy of 99.4 % and average EER of 0.0683%, which outperforms state-of-the-art palm vein Authentication approaches. Among various …

The hand is put on a handle (which is mounted on the rotating platform) with an integrated illuminator based on the light transmission principle. The plate rotates around the z-axis. ... the authors propose a silhouette-based 3D finger vein reconstruction optimization model to obtain a 3D finger point cloud representation with finger vein ...

The study's main aim is to achieve the highest number of visible veins. Based on the optical window, the maximum absorption range in the NIR spectrum was found from 700 to 950 nm. The NIR light absorption of human deoxygenated blood in the vein …

Overall, this paper presents an integrated hardware and software solution for the NIR image acquisition of a vein visualization system to cope with the image …

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Put the mouse in a restrainer. Press the gauze into the mouse tail gently and look for the dilated veins. Using the needle, inject the mouse tail vein, administering the correct amount according to the weight of the animal (37.5 mg/kg). Release the mouse from the restrainer and return it to the cage.

In many diseases with a cardiovascular component, the geometry of microvascular blood vessels changes. These changes are specific to arteries and veins, and can be studied in the microvasculature of the retina using retinal photography. To facilitate large-scale studies of artery/vein-specific changes in the retinal vasculature, …

Introducing a Three-Phased Vein Detector. VanTech partnered with UBC Okanagan Engineering students (Caleb Kavaloff, Chase Anderson, Einar Schiele, Jesse Alele, Sathvik Radhakrishnan) on an initiative aiming to refine and rethink the vein detection process.The result was a machine-learning-integrated vein finder that promises …

Abstract and Figures. We present an algorithm for the segmentation of the liver portal veins from an arterial phase CT. The developed segmentation algorithm incorporates a physiological model that ...

In this paper, we propose a multi-functional and large-scale topology optimization method to investigate the morphomechanics of Victoria cruziana veins, which optimizes both the structural stiffness and …

While our result for portal veins is slightly better (0.66), the results for the hepatic veins was slightly lower (0.55), which may be explained by the fact that we used non-contrast T1 vibe Dixon ...

The approach is integrated into three optimization methods and used to design both flat slabs and curved shells. Several numerical examples are used to demonstrate the effectiveness of the new approach. ... Topology of leaf veins: Experimental observation and computational morphogenesis. J Mech Behav Biomed Mater, 123 …

Objective: The sylvian bridging veins between the brain and the dura on the inner surface of the sphenoid wing can restrict brain retraction for widening of the lateral retrocarotid space during clipping surgery for internal carotid artery (ICA)-posterior communicating artery (PCoA) and basilar apex (BX) aneurysms. In such cases, the authors perform extradural …

Structure bionic optimization design is one kind of important lightweight design method. There are many high-specific-stiffness load-bearing topology structures in nature, whose mechanical properties and load-bearing mechanisms are quite different. These efficient load-bearing structures in nature provide important inspirations for …

Unlike arteries, veins have thinner walls and lower blood pressure. They have valves that prevent the backflow of blood and aid in propelling blood toward the heart. Veins progressively merge to form larger vessels, returning blood to the heart through the superior and inferior venae cavae, and entering the right atrium.

Despite recent advances in palm-vein recognition, palm-vein still faces many challenges in real life. In practical application, imaging process is affected by many …

The detailed definition of optimization objective is to be introduced in Section 2.1.1. In this article, the stiffener is modeled as a slender beam with a rectangle section and a constant length. Therefore, the size optimization is, actually, the design of cross-sectional area. Based on the mathematical model described in Eq.

Abbreviations: EKF, extended Kalman filter; OB-GINS, Optimization-Based GNSS/INS Integrated Navigation System; RFGO, Robust Factor Graph Optimization; RMSE, root-mean-square errors. The positioning accuracy of the EKF in the latitude, longitude, and altitude directions were 8.854, 4.820 and 11.007 m. Compared with EKF, …

GKF is also known for iron (Fe), copper (Cu), and gold (Au)-rich sulphide mineralization (GSI, 1981; Lakshminarayana & Vijay Kumar, 2018; Sastry & Rahim, 1973).King was the first to report Cu mineralization in quartz veins intruded in Tadpatri Shales.He also recognized the old workings for copper are dumped as heaps alongside …

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