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261
Dual threshold cooperative spectrum sensing algorithm based on stochastic resonance
Published 2020-12-01“…In view of the poor performance of the existing spectrum sensing algorithm in the low signal-noise ratio (SNR) environment and the limitations of traditional stochastic resonance (SR) detection methods for weak signals in practical applications,a dual threshold cooperative spectrum sensing algorithm based on stochastic resonance (DCSSR) by setting the optimal threshold was proposed and the optimal number of cooperative users was calculated.At last,the performance of the proposed algorithm was analyzed.This algorithm further improves the detection performance of the spectrum sensing algorithm under low signal-to-noise ratio by passing the statistical data located in the double-threshold uncertain region through a stochastic resonance system.Simulation results show that the detection performance of DCSSR algorithm is improved compared with traditional single threshold energy cooperation algorithm,double threshold energy cooperation algorithm and single threshold stochastic resonance cooperation algorithm.When the SNR is -20 dB,the proposed DCSSR algorithm improves the detection probability by 80% compared with the traditional single threshold energy detection cooperation algorithm.…”
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262
Low-complexity detection for MIMO visible light communication system using generalized spatial modulation
Published 2025-02-01Get full text
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263
The Detection Optimization of Low-Quality Fake Face Images: Feature Enhancement and Noise Suppression Strategies
Published 2025-06-01“…To address these limitations, this paper proposes a novel algorithm, YOLOv9-ARC, which is designed to enhance the accuracy of detecting low-quality fake facial images. …”
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264
Non-Invasive Detection of Breast Cancer by Low-Coverage Whole-Genome Sequencing from Plasma
Published 2023-07-01Get full text
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265
Two-stage object detection in low-light environments using deep learning image enhancement
Published 2025-04-01“…The second stage employs a computer vision algorithm for object detection. Three image enhancement algorithms—ZeroDCE++, Gladnet, and two-branch exposure-fusion network for low-light image enhancement (TBEFN)—were assessed in the first stage to enhance image quality. …”
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266
A Low-Cost Antipodal Vivaldi Antenna-Based Peanut Defect Rate Detection System
Published 2025-03-01“…Differing from traditional and often expensive or complex detection methods, our approach utilizes a low-cost antipodal Vivaldi antenna, complemented by a custom-designed defect rate detection system. …”
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267
A New Background-Based Extraction Algorithm under Factor Space Theory
Published 2023-08-01“…Based on the isolated forest algorithm, the background-based anomaly detection algorithm can identify and delete the anomalous points that will interfere with the background base extraction results, and the background-based anomaly detection uses each factor as an attribute to segment the data space, which is suitable for high-dimensional factor space; combined with α-shape, a new background base extraction algorithm, the base point detection algorithm, was proposed, which has low time and space complexity.…”
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268
An Unambiguous Super-Resolution Algorithm for TDM-MIMO-SAR 3D Imaging Applications on Fast-Moving Platforms
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269
Research Progress of Machine Learning Algorithms Applied in FSO Communication Systems
Published 2025-04-01“…In this article, the research progress of applying typical machine learning algorithms in FSO communication systems in signal detection, channel estimation, auxiliary optical compensation, and other aspects are reviewed. …”
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270
Accurate detection of low concentrations of microplastics in soils via short-wave infrared hyperspectral imaging
Published 2025-07-01“…Our study highlights the feasibility of the MCT hyperspectral imaging system for rapid and effective detection of microplastics in soils non-invasively at concentrations as low as 0.01%.…”
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271
A Low Complexity Subspace-Based DOA Estimation Algorithm with Uniform Linear Array Correlation Matrix Subsampling
Published 2015-01-01“…We propose a low complexity subspace-based direction-of-arrival (DOA) estimation algorithm employing a direct signal space construction method (DSPCM) by subsampling the autocorrelation matrix of a uniform linear array (ULA). …”
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272
IM/DD-Based 112-Gb/s/lambda PAM-4 Transmission Using 18-Gbps DML
Published 2016-01-01“…Single-channel 112-Gb/s PAM-4 transmission based on low-cost intensity modulation and direct detection (IM/DD) optics is experimentally demonstrated over 1-km standard single-mode fiber. …”
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273
Optimization of Sorghum Spike Recognition Algorithm and Yield Estimation
Published 2025-06-01“…Image- and video-based yield estimation accuracies reached 89–96% and 75–93%, respectively, with single-frame latency as low as 0.047 s. By optimizing the full detection–tracking–yield pipeline, this solution overcomes challenges in small object missed detections, ID switches under occlusion, and real-time processing in complex scenarios. …”
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274
Low complexity decoder over time-selective fading channels
Published 2006-01-01“…The intra symbol interferences within the all groups were firstly sup-pressed in virtue of the construction of orthogonal matrices and then obtained the all groups’ transmitted symbols based on the group detection technique using the simplified matrix inverse algorithm. …”
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275
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276
Artificial intelligence in lung cancer screening: assessment of the diagnostic accuracy of the algorithm analyzing low-dose computed tomography
Published 2020-09-01“…The diagnostic accuracy of the artificial intelligence algorithm aimed to detect lesions on low-dose computer tomograms has been independently assessed. …”
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277
Optimization of computer network security system based on improved neural network algorithm and low energy data search
Published 2025-09-01“…Therefore, this paper aims to optimize the computer network security system, and proposes a method based on improved neural network algorithm and low energy consumption data search to improve security and energy efficiency. …”
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278
Cross-domain subcortical brain structure segmentation algorithm based on low-rank adaptation fine-tuning SAM
Published 2025-07-01“…Deep learning foundation models trained and designed on large-scale natural scene image datasets experience significant performance degradation when applied to subcortical brain structure segmentation in MRI, limiting their direct applicability in clinical diagnosis. Methods This paper proposes a subcortical brain structure segmentation algorithm based on Low-Rank Adaptation (LoRA) to fine-tune SAM (Segment Anything Model) by freezing SAM’s image encoder and applying LoRA to approximate low-rank matrix updates to the encoder’s training weights, while also fine-tuning SAM’s lightweight prompt encoder and mask decoder. …”
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279
Abstract 035: Workflow Improvements from Automated LVO Detection Algorithms Are Dependent on Care Team Engagement
Published 2023-11-01“…Introduction Automated machine learning (ML)‐based large vessel occlusion (LVO) detection algorithms have been shown to improve in‐hospital workflow metrics including door to groin time (DTG). …”
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280
Drowsiness Detection and Alertness Using Eye Motion Monitoring
Published 2023-06-01Get full text
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