MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202641122833 A) filed by Vishnu Institute Of Technology on October 14, 2026, for Ai-Based Virtual Camera Tracking System For Coarse Alignment Of Mobile Free-Space Optical Communication Terminals.
Inventors include Mr. O. V. Subrahmanyam; Konduru Sivakasi; Jakka Venkata Mani Karthik; Kunduru Lakshmi Sreenandan Reddy; Chitiprolu Lakshmi Durga Sowmya Sri; Kotha B V S Prameela Rani; and Burugupalli Vasu Manikanta.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: A camera tracking system (100) for coarse alignment of a mobile free-space optical communication terminal (102) has a camera (106) mounted with its optical transceiver (104) on a pan-tilt gimbal (110). A processing unit (114) detects the beacon (132) of a remote terminal (130) in each image by a trained AI detector (304) with a confidence threshold, selects the detection within a gate about the Kalman-predicted position, computes its sub-pixel centroid, updates a Kalman filter (310) of beacon position and velocity, and predicts the position after the loop latency. The pixel error from the boresight point is converted to pan and tilt angular errors, and rate-limited gimbal commands combine target-velocity feed-forward, IMU platform compensation and proportional correction. A state machine (322) performs predictive and spiral reacquisition after target loss, and control is handed to a fine tracking unit (118) when coarse alignment is achieved.
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