PLDKD-Net: Pixel-Level Discriminative Knowledge Distillation for Surgical Scene Segmentation With Graph-Based Visual Parsing. - Bo Lu 001; Xiangxing Zheng; Zhenjie Zhu; Yuhao Guo; Ziyi Wang 006; Bruce X. B. Yu; Mingchuan Zhou; Peng Qi 001; Huicong Liu; Yun-Hui Liu 001; Lining Sun (IEEE Trans. Instrum. Meas., 2025)