MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202621047879 A) filed by Shubangi Kamble; Piyush Sangore; Abdul Sheikh; Akash Shejul; and Shyamsundar More on April 15, 2026, for Tiger Detection And Re-Identification System..
Inventors include Shubangi Kamble; Piyush Sangore; Abdul Sheikh; Akash Shejul; and Shyamsundar More.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The invention discloses an automated Tiger Detection and Re-Identification System designed to improve wildlife conservation monitoring by reducing manual effort in identifying individual animals from video streams. The system integrates a fine-tuned YOLOv8 object detection model to locate tiger instances in live frames, followed by a ResNet-50 convolutional backbone that extracts L2-normalized appearance embeddings from detected tiger crops for identity matching. The invention further includes a profile database that maintains incrementally updated average embeddings and representative crop images for each registered individual, enabling persistent re-identification across sessions. A cosine similarity threshold mechanism assigns detected crops to existing tiger identities or registers them as new individuals. In ambiguous cases, an ORB keypoint matching module provides secondary geometric verification using stored crop samples. A centroid-based tracker stabilizes identity assignment across consecutive frames, reducing flicker and unnecessary database updates. The proposed system ensures accurate detection, robust individual re- identification, non-invasive operation, and incremental profile management, thereby supporting conservation workflows and ecological monitoring studies.
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