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Data labeling

Learning Spiral AI > Blogs > Data labeling
Facial Expression Annotation

Facial Expression Annotation for Emotion Detection AI

  • July 3, 2025
Have you ever smiled at your phone and seen it respond with a cheerful emoji or suggest a related sticker? That’s not a coincidence — it’s AI at work, recognizing your facial expression and responding accordingly. This is made possible through facial expression annotation, a key process in teaching...
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Data annotation in India

Navigating Challenges in Large-Scale Data Annotation Projects

  • May 5, 2025
Data annotation, the process of labeling raw data with meaningful information, is a cornerstone of machine learning and artificial intelligence. While it’s essential for training accurate models, large-scale data annotation projects can present significant challenges.  This article explores some of the key obstacles and strategies to overcome them. Data...
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RLHF

Why High-Quality Labeled Data is Crucial for RLHF Fine-Tuning in AI Models

  • February 22, 2025
Reinforcement Learning from Human Feedback (RLHF) is revolutionizing AI by aligning models with human intent, improving safety, accuracy, and ethical decision-making. This technique plays a pivotal role in fine-tuning AI models, enabling them to adapt to complex real-world scenarios while minimizing biases. However, the quality of labeled data used...
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