In this section, using the domination topological indices, domination entropies of 29 benzenoid hydrocarbons are evaluated. To minimize issues such as hydrogen bonding, steric effects, polar functional groups, and other factors, a family of…
Category: 7. Maths
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Enhanced prediction of ventilator-associated pneumonia in patients with traumatic brain injury using advanced machine learning techniques
Data source and study design
In this study, we employed the MIMIC-III database, a publicly available clinical dataset that includes detailed medical information from over 40,000 patients20. These patients were treated at two prominent hospitals in…
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Identification of dental related ChatGPT generated abstracts by senior and young academicians versus artificial intelligence detectors and a similarity detector
OpenAI’s ChatGPT received a lot of attention when it was released in November 2022 for its ability to use AI to produce authentic and detailed text-based responses to human requests16. This was accomplished by first using humans to train the AI…
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Hierarchical reinforcement learning with central pattern generator for enabling a quadruped robot simulator to walk on a variety of terrains
In this section, we examine the applicability of our HRL-CPG framework in generating locomotion of a quadruped robot in a variety of environments.
We conducted experiments with consistent hyperparameters for the five environments, and the proposed…
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Content-based image retrieval assists radiologists in diagnosing eye and orbital mass lesions in MRI
Ethics statement
This retrospective study was approved by the institutional review board of Charité University Medicine under ethics application code EA121422. The study was conducted in strict accordance with relevant guidelines and regulations….
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An improved CNN model in image classification application on water turbidity
Image feature extraction
Gray Level Energy and Gradient Energy are two important metrics used for image feature extraction34. They can reflect the grey scale distribution and texture information of an image, which is very useful for the analysis…
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Mastering diverse control tasks through world models
Baselines
PPO
We employ the PPO algorithm7, which has become a standard choice in the field, to compare Dreamer under fixed hyperparameters across all benchmarks. There are a large number of PPO implementations available publicly and they are known…
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An efficient fire detection algorithm based on Mamba space state linear attention
To further demonstrate the effectiveness of the proposed method for fire detection, detailed experiments are conducted on two self-built datasets and a public video set to evaluate and compare its performance with other advanced methods. This…
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Estimation of common breaks in linear panel data models via screening and ranking algorithm
In this section, we will use SaRa for the estimation of multiple breaks in both static and dynamic panel data models.
SaRa for the static panel data model
Consider the following static panel data model
$$\begin{aligned} y_{it} = \mu _i + x’_{it}…
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Aerodynamic performance modeling method of high-altitude propellers across the entire flight envelope
Validation of high-fidelity and low-fidelity surrogate models
This section presents the verification of the proposed method using a solar-powered UAV propeller model. The independent variables in this study are altitude, wind speed, and rotational…
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