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Difference from Background: Limit of Detection

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...

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Updated: Mar 22, 2026

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

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Adaptive feature selection with gradient-based relevance for intrusion detection systems

Yu-Rim Lee^1,2, So-Eun Jeon², Sun-Jin Lee²

¹Mobility Security Technology Team, Hyundai Autoever, Seoul, Korea.

Scientific Reports

|March 21, 2026

Summary

No abstract available in PubMed .

Keywords:

Adaptive feature selection Cybersecurity Encrypted traffic Gradient-based relevance Intrusion detection systems

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