AUTHOR=Back A. L. , Kana Tepakbong C. , Bédard L. Paul , Barry A. TITLE=From rocks to pixels: a comprehensive framework for grain shape characterization through the image analysis of size, orientation, and form descriptors JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1508690 DOI=10.3389/feart.2025.1508690 ISSN=2296-6463