### Online Easy Example Mining forWeakly-supervised Gland Segmentation from Histology Images (OEEM) --- ### motivation - existing WSSS methods do not perform well in gland segmentation - unique charateristics in glandular datasets - ex. morphological homogeneity and low contrast among different tissues --- ### proposed principal - focuses the network on credible supervision signals rather than noisy signals, thus reducing the influence of false predicitons in pseudo-masks - propose the OEEM to reweight the loss map for better usage of credible and clean supervision --- - OEEM architecture ![image](https://hackmd.io/_uploads/rkXNKVIK6.png) --- - reweight loss weight ![image](https://hackmd.io/_uploads/B1J4tSUta.png) --- - confidence ![image](https://hackmd.io/_uploads/HkXvKH8KT.png) - The noises woth high confidence on the false category have high loss values, and those pixels supervised by clean labels have lower values ![image](https://hackmd.io/_uploads/r1EtKSUKp.png) --- - combine normalised loss and max confidence ![image](https://hackmd.io/_uploads/Sy4AKB8Fa.png) --- - results ![image](https://hackmd.io/_uploads/By6BoHLY6.png) --- - results ![image](https://hackmd.io/_uploads/ryUQoBUYT.png) --- ---
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