MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202541073518 A) filed by International Institute Of Information Technology on August 01, 2025, for Multi-Modal Transformer-Based Air Quality Index Estimation System Using 360° Imagery And Contextual Data.
Inventors include Anoop Namboodiri; Sachin Chaudhari; Om Kathalkar; and Ansh Shah.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: MULTI-MODAL TRANSFORMER-BASED AIR QUALITY INDEX ESTIMATION SYSTEM USING 360° IMAGERY AND CONTEXTUAL DATA A system 100 for accurately determining Air Quality Index (AQI) in urban environments exhibiting high spatial and temporal variability is disclosed. The system includes a mobile platform 102 equipped with a multi-camera data acquisition system 108 and an array of environmental sensors 104. The multi-camera data acquisition system 108 includes front- facing camera 110, rear-facing camera 112, and 360-degree camera 114 configured to capture real-time environmental imagery. The environmental sensors 104 include particulate matter (PM2.5 and PM10) sensors 116, noise sensors 118, and contextual sensors 120 for collecting weather and temporal data. An edge computing device 106, operatively connected to the cameras and sensors, processes the acquired data using deep learning-based feature extraction pipelines 126. The system performs visual and contextual feature fusion through cross-view alignment and modality concatenation, followed by encoding with a transformer- based encoder 128 incorporating multi-head attention. FIG. 1
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