Figure 2: Comparison of Outlier Detection Techniques.
The findings of the comparison revealed that:
• Isolation Forest had the lowest recall but the
highest accuracy, suggesting that it might not
be able to detect every problem.
• DBSCAN showed great recall (detecting most
abnormalities), although having somewhat
lower precision.
• Autoencoders were among the top options,
offering a balanced performance with high
accuracy, precision, recall, and F1-score.
• While both One-Class SVM and K-Means
fared fairly well overall, DBSCAN and
Autoencoders were more efficient. Figure 2
show the Comparison of Outlier Detection
Techniques.
7 CONCLUSIONS
Machine learning algorithms proved to be a robust
answer to outlier detection in IoT despite facing
hurdles such as real-time, scalability, and accuracy
of anomaly identification and in this study Isolation
Forest was the best performing algorithm. With this
combination of results, where classical techniques
lack flexibility and accuracy, adding novel models,
such as Autoencoders, DBSCAN, and One-Class
SVM, enhances the overall performance of a detector.
The experimental results reveal that modern
techniques excel in handling complex, high-
dimensional, and noisy IoT data. These advances not
only enhance the security and reliability of IoT
devices but also contribute to even more intelligent,
self-adaptive network situations.
REFERENCES
Patel, A., & Singh, R. (2022). One-Class SVM for IoT
Anomaly Detection. Journal of Machine Learning
Applications in IoT, 15(3), 45-60.
Liu, F. T., Ting, K. M., & Zhou, Z.-H. (2008). Isolation
Forest. In 2008 Eighth IEEE International Conference
on Data Mining (pp. 413-422). IEEE.
Bhuyan, M. H., & Siddique, A. H. (2021). Isolation Forest
for IoT Sensor Data. International Journal of Sensor
Networks and Data Communications, 12(4), 123-135.
Kumar, S., & Das, P. (2022). Isolation Forest for Network
Security in IoT. Journal of Cybersecurity and Privacy,
8(2), 89-102.
Tan, L., & Roy, S. (2023). Isolation Forest for Smart
Grids. IEEE Transactions on Smart Grid, 14(1), 567-
579.
Zhang, Y., & Wong, K. (2023). Isolation Forest in
Industrial IoT (IIoT). Journal of Industrial IoT and
Automation, 7(3), 210-225.
Mahammad, Farooq Sunar, et al. "Key distribution scheme
for preventing key reinstallation attack in wireless
networks." AIP Conference Proceedings. Vol. 3028.
No. 1. AIP Publishing, 2024.
Suman, Jami Venkata, et al. "Leveraging natural language
processing in conversational AI agents to improve
healthcare security." Conversational Artificial
Intelligence (2024): 699-711.
Sunar, Mahammad Farooq, and V. Madhu Viswanatham.
"A fast approach to encrypt and decrypt of video
streams for secure channel transmission." World
Review of Science, Technology and Sustainable
Development 14.1 (2018): 11-28.
Mahammad, Farooq Sunar, Karthik Balasubramanian, and
T. Sudhakar Babu. "Comprehensive research on video
imaging techniques." All Open Access, Bronze (2019).
Mahammad, Farooq Sunar, and V. Madhu Viswanatham.
"Performance analysis of data compression algorithms
for heterogeneous architecture through parallel
approach." The Journal of Supercomputing 76.4
(2020): 2275-2288.
Devi, M. Sharmila, et al. "Extracting and Analyzing
Features in Natural Language Processing for Deep
Learning with English Language." Journal of Research
Publication and Reviews 4.4 (2023): 497-502.
Devi, M. Sharmila, et al. "Machine Learning Based
Classification and Clustering Analysis of Efficiency of
Exercise Against Covid-19 Infection." Journal of
Algebraic Statistics 13.3 (2022): 112-117.
Mandalapu, Sharmila Devi, et al. "Rainfall prediction using
machine learning." AIP Conference Proceedings. Vol.
3028. No. 1. AIP Publishing, 2024.
Chaitanya, V. Lakshmi. "Machine Learning Based
Predictive Model for Data Fusion Based Intruder Alert
System." journal of algebraic statistics 13.2 (2022):
2477-2483
Parumanchala Bhaskar, et al. "Incorporating Deep Learning
Techniques to Estimate the Damage of Cars During the
Accidents" AIP Conference Proceedings. Vol. 3028.
No. 1. AIP Publishing, 2024.