MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202621048664 A) filed by Nilam Sahebrao Honmane; Sarthak Bhoknal; Abhinandan Bhuse; Karnsingh Bhosale; and Om Bukkawar on April 16, 2026, for Virtulearn: Interactive Virtual Classroom Learning System.

Inventors include Nilam Sahebrao Honmane; Sarthak Bhoknal; Abhinandan Bhuse; Karnsingh Bhosale; and Om Bukkawar.

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: This paper presents an advanced Interactive Virtual Classroom system to overcome the engagement limitations of traditional static video conferencing by integrating real-time computer vision and 3D synchronization. The proposed architecture introduces a sophisticated Avatar Creation Engine that utilizes PSHuman and the SMPL- X regressor to generate personalized 3D meshes from user-uploaded images, for cross-platform utility these meshes are converted into VRM format. To enable immersiveness, the system employs MediaPipe pose extraction to capture 32-joint coordinates from standard webcam feeds. This motion data is transmitted via a low- latency Python-to-Unity socket bridge to drive responsive 3D avatars without the need for specialized VR hardware. The usage of Unity Netcode facilitates multiplayer synchronization including character movement and resources sharing. A specialized study material pipeline is implemented where educators upload PDF files that are identified via SHA-256 hashing, processed into high-resolution image streams, and distributed via URLs for simultaneous viewing on virtual classroom boards and personal student desks. Furthermore, the system uses Vivox for centralized, teacher-controlled audio communication and a UWB (Unity Web Browser) bridge to enable direct interaction between the 3D environment and the ReactJS-based user interface. By democratizing immersive learning on consumer-grade devices, this project incorporates a scalable, low-latency and collaborative virtual learning.

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