Krishnan, Divya Lakshmi, Rajappa Muthaiah, Anand Madhukar Tapas, and Krithivasan Kannan. “Evaluation of Local Feature Detectors for the Comparison of Thermal and Visual Low Altitude Aerial Images”. Defence Science Journal 68, no. 5 (September 12, 2018): 473–479. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/11233.