Jasti Kumari and Parchuri Swetha Navya 2026. Deep Learning-Based Multi-Class Brain Tumor Classification from MRI Images Using DenseNet121 & OpenCV. Journal of Sensors, IoT & Health Sciences (JSIHS,ISSN: 2584-2560). 4, 2 (Jun. 2026), 9–17. DOI:https://doi.org/10.69996/jsihs.2026007.