MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202531128897 A) filed by Indian Institute Of Technology, Kharagpur, West Bengal, on Dec. 18, 2025, for 'portable analyzer for determining degree of polish in rice grain.'
Inventor(s) include Ghormare, Nishant; Panda, Dr. Brajesh Kumar; Mishra, Dr. Gayatri; and Mandal, Dr. Ronit.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "The present disclosure relates to a portable dual-mode analyzer for determining the degree of polish (DOP) of milled rice. The analyzer includes a housing enclosing a processing unit (104) with memory, a custom cuvette of fixed optical depth, a Lux and RGB sensor (106) for reflectance and transmittance measurement, and an image-capturing unit (108) for high-resolution imaging. A pair of illumination assemblies (110), a touchscreen interface (112), and a power source are also provided. When the rice variety is known, the processing unit (104) predicts the DOP as a percentage of bran removed by processing sensor data through a trained machine-learning regression model. When the variety is unknown, the processing unit (104) classifies an image of a double-stained (methylene blue and metanil yellow) sample, captured via the imaging unit, into predefined DOP categories using a convolutional neural network."
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