The Indian classical dance-drama Kathakali has a set of hand gestures called Mudras, which form the fundamental units of all its dance moves and postures. Recognizing the depicted mudra becomes one of the first steps in its digital processing. The work treats the problem as a 24-class classification task and proposes a vector-similarity-based approach using pose estimation, eliminating the need for further training or fine-tuning. This approach overcomes the challenge of data scarcity that limits the application of AI in similar domains. The method attains 92% accuracy which is a similar or better performance as other model-training-based works existing in the domain, with the added advantage that the method can still work with data sizes as small as 1 or 5 samples with a slightly reduced performance. Working with images, videos, and even real-time streams is possible. The system can work with hand-cropped or full-body images alike. We have developed and made public a dataset for the Kathakali Mudra Recognition as part of this work.

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