“Generative AI for Visual Intelligence: A Patent Analysis of OpenAI’s Systems and Methods for Hierarchical Text-Conditional Image Generation - US 11,922,550 B1”. Poornaprajna International Journal of Basic & Applied Sciences (PIJBAS) 3, no. 2 (August 5, 2026): 77–106. Accessed August 25, 2026. https://www.poornaprajnapublication.com/index.php/pijbs/article/view/228.