SEA-Net: Dual Attention U-Net for Bleeding Segmentation in Capsule Endoscopy Images. - Tareque Bashar Ovi; Nomaiya Bashree; Hussain Nyeem; Md Abdul Wahed; Faiaz Hasanuzzaman Rhythm; Disha Chowdhury (Int. J. Imaging Syst. Technol., 2026)