AUTHOR=Zhang Sen , Zha Fusheng , Wang Xiangji , Li Mantian , Guo Wei , Wang Pengfei , Li Xiaolin , Sun Lining TITLE=High-efficiency sparse convolution operator for event-based cameras JOURNAL=Frontiers in Neurorobotics VOLUME=19 YEAR=2025 URL=https://www.frontiersin.org/journals/neurorobotics/articles/10.3389/fnbot.2025.1537673 DOI=10.3389/fnbot.2025.1537673 ISSN=1662-5218