Abstract
Gait recognition is a biometric technology that identifies individuals in a video sequence by analysing their style of walking or limb movement. However, this identification is generally sensitive to appearance changes and conventional feature descriptors such as Gait Energy Image (GEI) lose some of the dynamic information in the gait sequence. Active Energy Image (AEI) focuses more on dynamic motion changes than GEI and is more suited to deal with appearance changes. We proposed a new approach, which allows recognizing people by analysing the dynamic motion variations and identifying people without using a database of predicted changes. In the proposed method, the active energy image is calculated by averaging the difference frames of the silhouette sequence and divided into multiple segments. Affine moment invariants are computed as gait features for each section. Next, matching weights are calculated based on the similarity between extracted features and those in the database. Finally, the subject is identified by the weighted combination of similarities in all segments. The CASIA-B Gait Database is used as the principal dataset for the experimental analysis.
Center for Development of Advanced Computing, Kolkata.
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Bharadwaj, S.V., Chanda, K. (2021). Person Re-Identification by Analyzing Dynamic Variations in Gait Sequences. In: Singh, P.K., Noor, A., Kolekar, M.H., Tanwar, S., Bhatnagar, R.K., Khanna, S. (eds) Evolving Technologies for Computing, Communication and Smart World. Lecture Notes in Electrical Engineering, vol 694. Springer, Singapore. https://doi.org/10.1007/978-981-15-7804-5_30
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DOI: https://doi.org/10.1007/978-981-15-7804-5_30
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