
International Journal For Multidisciplinary Research
E-ISSN: 2582-2160
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A Widely Indexed Open Access Peer Reviewed Multidisciplinary Bi-monthly Scholarly International Journal
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Volume 7 Issue 4
July-August 2025
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Active Learning in the Wild - Building Better AI Models with Less Data
Author(s) | Mr. Prashant Kumar Singh |
---|---|
Country | India |
Abstract | Active learning is an interactive machine learning paradigm in which the model selectively queries an oracle (e.g. a human annotator) to label the most informative unlabeled examples. This enables building accurate models using far fewer labeled data than traditional supervised learning. In this paper, we define active learning and contrast it with conventional “passive” learning. We review common active learning architectures (pool-based, stream-based, membership query synthesis), label selection strategies (uncertainty-based, diversity-based) and describe in detail how to implement an active learning loop using modern tools (e.g. scikit-learn, PyTorch, modAL). We compare the results of applying active learning to the Iris Dataset[11] and Titanic Dataset[12] for classification using various label selection strategies. We then present a real-world–inspired case study of using active learning on drone-collected power-line inspection imagery. In this scenario, a convolutional vision model (e.g. YOLOv8) is iteratively refined by selectively querying a few ambiguous frames for expert annotation, dramatically reducing labelling effort. We report on potential savings: for example, an AWS-case active learning pipeline achieved ~90% reduction in labelling cost and cut annotation turnaround from weeks to hours [1]. We also discuss limitations and pitfalls of active learning (e.g. human-in-the-loop cost, computational overhead, class imbalance issues [2][3]). In summary, active learning can greatly improve data efficiency and agility of AI model development, but it requires careful design of query strategies and system integration. |
Keywords | Keywords: Active Learning, Data Labelling Efficiency, Machine Learning Optimization, Anomaly Detection, Drone Imagery Analysis |
Field | Computer > Artificial Intelligence / Simulation / Virtual Reality |
Published In | Volume 7, Issue 4, July-August 2025 |
Published On | 2025-07-30 |
DOI | https://doi.org/10.36948/ijfmr.2025.v07i04.52414 |
Short DOI | https://doi.org/g9vpnm |
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E-ISSN 2582-2160

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IJFMR DOI prefix is
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