MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641049638 A) filed by Srm Institute Of Science And Technology; Digant Joshi; Yash Kumar Singh; Piyush Pal; and Dr. D. Deva Hema, Chennai, Tamil Nadu, on April 18, for 'an adaptive dual-branch optoelectronic device for hyperspectral image analysis utilizing spectral transformer encoding and graph-attention spatial refinement.'
Inventor(s) include Digant Joshi; Yash Kumar Singh; Piyush Pal; and Dr. D. Deva Hema.
The application for the patent was published on May 1, under issue no. 18/2026.
According to the abstract released by the Intellectual Property India: "An Adaptive Dual-Branch Optoelectronic Device for Hyperspectral Image Analysis utilizing Spectral Transformer Encoding and Graph-Attention Spatial Refinement Abstract This application describes a new optoelectronic system capable of performing hyperspectral imaging analysis in near real time. The system combines a high-quality optical lens system with an adjustable spectral dispersive element to acquire high dimensional data cubes in a wide range of the electromagnetic spectrum. The system is capable of performing internal high-level feature extraction and classification leveraging a custom dual-branch computational structure. This is in contrast to classical systems which require external processing. The first branch is designed to capture the spectral information of the pixel. The branch models the complex non-linear relationships of the pixel through spectral transformer encoding. The self-attention mechanism within the framework of the encoder captures the small differences in materials that can appear in varying conditions. The second branch applies graph-attention within the framework. The branch captures the pixel information spatially. The image is treated as a graph. This approach allows the system to learn the spatial relationships between the pixels which leads to enhancement of the object edges and reduction of the noise in the image. The two branches of the system work in tandem to achieve high-quality spectral analysis and spatial resolution with minimal processing time. The custom structured high-intensity process is supported through the integrated advanced thermal management system consisting of active thermal control and a heat dissipation system with a thermal mesh. The system is designed to maintain sensor and hardware stability over time. The high-intensity processing is supported through active thermal control and a thermal mesh designed for passive heat dissipation. The system is designed to maintain sensor and hardware stability over time. User controls and an integrated display system supported instant feedback with interaction. This real-time processing system is capable of rapidly classifying spatial maps for immediate analysis in the field for non-contact systems. The system is integrated and compact which allows for transitioning laboratory-grade hyperspectral system to field applications."
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