-
681
Registration of 2D C-Arm and 3D CT Images for a C-Arm Image-Assisted Navigation System for Spinal Surgery
Published 2015-01-01“…Five similarity measure methods of 2D-3D image registration including Normalized Cross-Correlation, Gradient Correlation, Pattern Intensity, Gradient Difference Correlation, and Mutual Information combined with three optimization methods including Powell’s method, Downhill simplex algorithm, and genetic algorithm are applied to evaluate their performance in converge range, efficiency, and accuracy. …”
Get full text
Article -
682
A Review of Research on Flight Delay Propagation: Current Situation and Prospect
Published 2025-01-01“…On the contrary, deep learning models and spatiotemporal models have opened up a new path for improving prediction accuracy by their powerful data processing and analysis capabilities. …”
Get full text
Article -
683
Attenuation correction in single-photon emission computed tomography for NURBS-based cardiac-torso phantom using dual-energy acquisition
Published 2020-07-01“…Some of the radioisotopes emit gamma rays in different energy levels, and consequently, they have different counts and attenuation coefficients. …”
Get full text
Article -
684
Design and experiment of air-suction drum-type seedling seeder for irregular-shaped vegetable seeds
Published 2025-02-01“…The basic structure and working principle of the seeder were elaborated, the key components were designed, and the distribution of the airflow field in the flow paths of the suction nozzles of three different hole types was simulated and analyzed by Fluent software; the relationship between the main influencing factors of the seeder’s operational performance (suction air pressure, clearing air pressure, and vibration frequency of the seed cassette) and the sowing indexes (replanting rate, cavity rate, and qualification rate) was investigated and the relationship between the factors and the sowing indexes (reseeding rate, cavity rate, and qualification rate) was analyzed by the quadratic orthogonal combination experiment method. …”
Get full text
Article -
685
Dynamic Placement of Pinching Antennas for Multicast MU-MISO Downlinks
Published 2025-01-01“…Intergroup interference is eliminated via block-diagonalization beamforming, resulting in a tractable antenna-placement problem. To accommodate different hardware capabilities, we consider both continuous and discrete activation of pinching antennas, yielding four distinct optimization formulations. …”
Get full text
Article -
686
Stochastic Movement Swarm Performing a Coverage Task with Physical Parameters
Published 2022-09-01“…Time to finish the task and energy consumptions were measured for different numbers of drones in a swarm allowing to designate an optimal size of the swarm. …”
Get full text
Article -
687
Construction and application of knowledge mapping of carbon emission governance technologies for coal mining and utilization
Published 2025-06-01“…With the expansion of low-carbon development scenarios in the coal industry, the accumulation of data, and the development of artificial intelligence and big models, this study will optimize the construction method of the atlas on the basis of multimodal data fusion, expand the application scope of the atlas, and improve the accuracy of the recommendation of technology paths.…”
Get full text
Article -
688
User Well-Being in Kitchen Environment Design from a Positive Psychology Perspective: A Quantitative and Qualitative Literature Analysis
Published 2025-03-01“…Then, based on the PERMA model of positive psychology, this paper discusses the support path of kitchen design to users’ psychological needs from five dimensions: positive emotion, engagement, relationships, meaning, and accomplishment. …”
Get full text
Article -
689
A Method to Improve Computational Efficiency of Productivity Evaluation with Rectangular Coalbed Methane Reservoir
Published 2022-01-01“…By improving the calculation method and optimizing the calculation path, the productivity evaluation calculation speed of finite conductivity fractured wells in rectangular coalbed methane reservoir is optimized without affecting the calculation accuracy. …”
Get full text
Article -
690
Expected values of topological descriptors for possible kink chains of type 2⊤2
Published 2025-02-01“…In this paper, we investigate square-hexagonal chains, a class of systems where the inner dual of a structure with a square-hexagon shape forms a path graph. The specific configuration of square and hexagonal polygons, and how they are concatenated, leads to different types of square-hexagonal chains. …”
Get full text
Article -
691
Hierarchical Reinforcement Learning for Viewpoint Planning with Scalable Precision in UAV Inspection
Published 2025-05-01“…Additionally, a reward function is designed to enhance inspection precision, enabling collaborative optimization of waypoint positions, viewpoint poses, and focal lengths. …”
Get full text
Article -
692
Long term proliferation and physiological response of embryogenic callus in Slash pine (Pinus Elliottii Engelm)
Published 2025-07-01“…Refreshing the culture medium every 14 days, EC maintaining proliferation coefficient (4.05) and embryogenic potential for approximately three year (980 d), but the number of somatic embryos was low and significantly declined after 140 days.The additional supplementation of 1.0 mg/L 2- (1-naphthyl) acetic acid (NAA) to the original proliferation medium further enhanced SE induction, achieving a maximum of 143.25 SE per gram of EC. Under the optimal proliferation culture conditions, EC was subcultured for 392 days, with no significant differences observed in the proliferation coefficient and the number of SE. …”
Get full text
Article -
693
Study on the Water Invasion and Its Effect on the Production from Multilayer Unconsolidated Sandstone Gas Reservoirs
Published 2021-01-01“…In this study, an experimental study on edge water invasion of the multilayer commingled production in unconsolidated sandstone gas reservoirs was conducted to understand the water invasion process along with different permeability layers. The results show that the edge water invasion in the commingling production is mainly affected by two major factors including reservoir permeability and gas production rate, which jointly control the encroaching water advance path and speed. …”
Get full text
Article -
694
Functional brain networks develop from a "local to distributed" organization.
Published 2009-05-01“…., clustering coefficients and average path lengths) are similar in child and adult graphs, with both showing "small-world"-like properties, while community detection by modularity optimization reveals stable communities within the graphs that are clearly different between young children and young adults. …”
Get full text
Article -
695
A Study on the Dynamic Relationship between Embodied Carbon Productivity and Embodied Value Added in China’s Industrial Sectors: An Empirical Analysis Based on the Decoupling Model...
Published 2024-03-01“…Based on the decoupling theory, this paper analyzes the relationship between the embodied carbon productivity and the embodied value added in China’s industrial sectors, evaluates the development mode of the sectors, and explores a reasonable path to promote the green and low-carbon transformation of the sectors based on the panel multinomial logit model. …”
Get full text
Article -
696
Prediction of Spatiotemporal Distribution of Electric Vehicle Charging Load Based on Multi-Source Information
Published 2025-06-01“…Additionally, the Dijkstra algorithm is improved to plan charging paths more effectively by including real-time road condition data. …”
Get full text
Article -
697
Study on the spatial spillover effect of reclaimed water utilization efficiency in water environment-sensitive areas with heterogeneous technology
Published 2025-06-01“…As a key path to alleviate the double pressure of economic and social development and ecological environment protection in water-sensitive areas, reclaimed water is of great significance to coordinately promote carbon reduction, pollution reduction, green expansion and growth. …”
Get full text
Article -
698
Synergies and trade-offs between environmental impacts and farm profitability: The case of pasture-based dairy production systems
Published 2025-06-01“…In order to identify strategies that support farmers on this path, many studies use mass flow simulation or optimization models. …”
Get full text
Article -
699
SPARQ: Efficient Entanglement Distribution and Routing in Space–Air–Ground Quantum Networks
Published 2024-01-01“…Existing quantum routing algorithms focus on stationary ground nodes and utilize link distance as an optimality metric, which is unrealistic for dynamic systems, like SPARQ. …”
Get full text
Article -
700
Mechanical Response of Pipeline Leakage to Existing Tunnel Structures: Insights from Numerical Modeling
Published 2025-05-01“…A thorough understanding of pipeline–tunnel interactions is crucial for optimizing urban underground design and establishing construction guidelines. …”
Get full text
Article