Brij B. Gupta — Papers on Cortexa

openalexInternational Journal of Intelligent Information Technologies2026-07-24

AI-Based Identification of Drug Use and Overdose Signals on Social Media

Sudhakar Kumar, Sarjana Singh, S.P. Pathak, Ryanveer Singh, Pooja Rai, Varsha Arya, et al.

The rising prevalence of substance abuse and overdose incidents underscores the need for real-time public health surveillance. Social media offers valuable signals for monitoring these events; however, noisy language, slang usage, and class imbalance present significant challenge…

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crossrefElectronics2023-04-18Cited by 22

A Convolutional Neural Network-Based Feature Extraction and Weighted Twin Support Vector Machine Algorithm for Context-Aware Human Activity Recognition

Kwok Tai Chui, Brij B. Gupta, Miguel Torres-Ruiz, Varsha Arya, Wadee Alhalabi, Ikhlas Fuad Zamzami

Human activity recognition (HAR) is crucial to infer the activities of human beings, and to provide support in various aspects such as monitoring, alerting, and security. Distinct activities may possess similar movements that need to be further distinguished using contextual info…

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