What Are The Methods And Techniques Used In Artifact Analysis And Dating?

Introduction

Artifact analysis and dating are crucial in archeology and related fields to understand the historical context and age of artifacts. Various methods and techniques are employed to achieve accurate results, ranging from electrochemical methods to advanced statistical techniques.

Key Insights

Voltammetry of Microparticles for Dating Lead Artifacts:
- A method using voltammetry of microparticles measures the corrosion content of lead artifacts to estimate their age. This technique compares the height of specific voltammetric features from PbO(2) and PbO corrosion products formed over time. Calibration with well-documented lead pieces allows for dating with an uncertainty of ±150 years for ancient samples.
Independent Component Analysis (ICA) for Artifact Detection in EEG Data:
- ICA is a powerful tool for isolating artifacts from EEG data, such as those caused by muscle activity, eye blinks, and electrical noise. ICA decomposition, using algorithms like Infomax, SOBI, and FastICA, enhances the detection of small non-brain artifacts compared to direct scalp channel data analysis. Spectral thresholding methods applied to ICA-decomposed data show higher sensitivity and performance.

Conclusion

The methods for artifact analysis and dating vary significantly based on the type of artifact and the context of the study. For dating lead artifacts, voltammetry of microparticles is a reliable technique, while for detecting artifacts in EEG data, ICA proves to be highly effective. These methods highlight the importance of specialized techniques tailored to specific types of artifacts to achieve accurate and sensitive results.

What are the methods and techniques used in artifact analysis and dating?

Summary

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Introduction

Key Insights

Conclusion

Sources and full results

Dating archeological lead artifacts from measurement of the corrosion content using the voltammetry of microparticles.

Enhanced detection of artifacts in EEG data using higher-order statistics and independent component analysis

The Application of Clustering Techniques to Group Archaeological Artifacts

Automated detection of EEG artifacts during sleep: preprocessing for all-night spectral analysis.

The Unitary Association Method of Relative Dating and Its Application to Archaeological Data

The quantitative assessment of archaeological artifact groups: Beyond geometric morphometrics

Implementation of Artifact Detection in Critical Care: A Methodological Review

An Archaeological Inference Problem

An approach to artifact identification: application to heart period data.

Detection of artifacts in monitored trends in intensive care

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