Suggested Topics within your search.
Suggested Topics within your search.
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1281
Electrical impedance tomography-based temporal signals correlate with quantitative computed tomography-based spatial variables in asthma subjects: a pilot study
Published 2025-08-01“…The EIT-based impedance was transformed using fast Fourier transform (FFT) to separate perfusion and respiration components including high and low frequencies.ResultsHigh-frequency EIT values in the upper lungs were associated with a decline of lung function in pre-bronchodilator. …”
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1282
Image segmentation method of plastic-film corn canopy
Published 2017-09-01“…The proposed method was comprised of three main steps. First, color images yielding red (R), green (G), and blue (B) subimages were mathematically transformed to hue (H), saturation (S), and intensity (I) ones. …”
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1283
Introduction to deep learning methods for multi‐species predictions
Published 2025-01-01“…Specifically, we introduced four distinct deep learning models that use site × species community data but differ in their internal structure or on the input environmental data structure: (1) a multi‐layer perceptron (MLP) model for tabular data (e.g. in‐situ/raster climate or soil data), (2) a convolutional neural network (CNN) and (3) a vision transformer (ViT) models tailored for image data (e.g. aerial ortho‐photographs, satellite imagery), and a multimodal model that integrates both tabular and image data. …”
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1284
Increasing measurement accuracy: Scaling effect on academic resilience instrument using Method of Successive Interval (MSI) and Method of Summated Rating Scale (MSRS)
Published 2024-06-01“…The research results showed that there was a significant difference in the results of the reliability and validity of the constructs as well as the parameters in the confirmatory factor analysis of the ARS instrument before and after transformation with the method of successive intervals and summated rating scale. …”
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1285
Physicochemical Properties, Polyphenol and Mineral Composition of Different Triticale Varieties Cultivated in the Republic of Moldova
Published 2025-03-01“…Also, Fourier transform infrared spectroscopy (FT-IR) was used to evaluate the quality parameters of triticale grains. …”
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1286
Estimation of seasonal changes in the frequency characteristics of wind speed and direction in coastal Dagestan, Russia
Published 2021-01-01“…As a mathematical research tool, a continuous wavelet transform with a complex Morlet wavelet function was used.Results. …”
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1287
Time-frequency insights: Uncovering the drivers of reference evapotranspiration across China
Published 2025-04-01“…Here, we identified the primary factors affecting ETo across time-frequency domain in 653 meteorological stations of mainland China based on the combination of wavelet transform coherence (WTC) and multiwavelet coherence (MWC) methods. …”
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1288
Efficient-ViT B0Net: A high-performance light weight transformer for rice leaf disease recognition and classification
Published 2025-11-01“…The proposed method was compared with other approaches on the same experimental environment. …”
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1289
Specific features of kinetics of thermal transformation of organic matter in Bazhenov and Domanik source rocks based on results of pyrolysis gas chromatography
Published 2024-11-01“…Kinetic parameters of organic matter of oil and gas source rocks influence the onset time of generation and directly reflect differences in the composition and structure of different types of kerogens. …”
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1290
Feature Selection and Classification Optimization of Transformer Oil Odor Data With Recursive Feature Elimination Using Grid Search and Cross-Validation
Published 2025-01-01“…In this study, an electronic nose system was developed to detect the duration of oil usage in power transformers based on its smell. In the system designed with eleven inexpensive gas sensors, a total of 200 transformer oil odors with four different usage periods were analyzed. …”
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1291
Combining convolutional neural network with transformer to improve YOLOv7 for gas plume detection and segmentation in multibeam water column images
Published 2025-05-01“…Multibeam bathymetry has become an effective underwater target detection method by using echo signals to generate a high-resolution water column image (WCI). …”
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1292
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1293
Ensemble Classifiers and Feature-Based Methods for Structural Damage Assessment
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1294
A Novel Approach for Visual Speech Recognition Using the Partition-Time Masking and Swin Transformer 3D Convolutional Model
Published 2025-04-01“…By adopting a strategy that combines Swin Transformer and 3D convolution, the proposed model enhances performance. …”
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1295
Discussions on the Adsorption Behaviors Affected by the Differences Between Graphene Oxide and Graphene Grafted by Chitosan
Published 2025-01-01“…Thin films of graphene, graphene oxide, and their chitosan-modified counterparts were prepared via the methods of precipitation and grafting. The differences in the chemical structure, surface properties, and surface morphology of the films were evaluated, and their effect on the adsorption performance of CO<sub>2</sub> is discussed herein. …”
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1296
RP-HPLC and UV Spectrophotometric Analysis of Paracetamol, Ibuprofen, and Caffeine in Solid Pharmaceutical Dosage Forms by Derivative, Fourier, and Wavelet Transforms: A Comparison...
Published 2020-01-01“…Different signal-transforming algorithms were applied for UV spectrophotometric analysis of paracetamol, ibuprofen, and caffeine in ternary mixtures. …”
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1297
CAPSE-ViT: A Lightweight Framework for Underwater Acoustic Vessel Classification Using Coherent Spectral Estimation and Modified Vision Transformer
Published 2025-06-01“…Further, the features are processed via a vision transformer (ViT) network. This method enables the model to learn more complex relationships and patterns within the data, thereby improving the classification performance. …”
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1298
Research and Application of SURF and Gray Difference in Detection of Small Modulus Plastic Gear Defect
Published 2018-01-01“…The obtained key points are iteratively sorted,and the RANSAC( Random sample consensus) algorithm is used to extract the matching points for two times. The gray difference algorithm is used to extract the defective region after the matrix transformation registration,using the Otsu threshold method to segment the image and the characteristics of defect area domain are analyzed,which uses the Otsu threshold method to segment the image. …”
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1299
LQ-MixerNeT: A CNN-Transformer Deep Fusion-Based Model for Object Detection in Optical Remote Sensing Images
Published 2025-01-01“…Results demonstrate that our method achieves mAP@0.5 scores of 73.65%, 85.29%, and 83.25%, respectively. …”
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1300