Guest Editorial: Introduction to the Special Section on Fine-Grained Visual Categorization

This special section on fine-grained visual categorization has attracted many research works on fine-grain related topics. We thank all authors for submitting their papers to the special section and all reviewers who have provided professional, insightful, and timely reviews, leading to the high quality of accepted papers. We also thank TPAMI EIC Sven Dickinson and the Associate EICs for recognizing the widespread interest in this field, which warrants this special section. The accepted papers are divided into four groups based on their different focuses: Fine-grained image recognition, Fine-grained human analysis, Fine-grained video action recognition, and Fine-grained vision-language reasoning. We briefly review the accepted papers in each of the groups.