2026-03-15 paper note Edge Detection Multi-scale fusion: HED [1], RCF [2] Reference Xie, Saining, and Zhuowen Tu. “Holistically-nested edge detection.” ICCV, 2015. Liu, Yun, et al. “Richer convolutional features for edge detection.” CVPR, 2017. Newer Energy Efficient Deep Learning Older Dynamic Kernel