The Combined Focal Cross Entropy and Dice Loss Function for Segmentation of Protein Secondary Structures from Cryo-EM 3D Density maps.
Yongcheng MuJiangwen SunJing HePublished in: BIBM (2022)
Keyphrases
- secondary structure
- loss function
- cross entropy
- maximum likelihood
- pairwise
- log likelihood
- image segmentation
- support vector
- learning to rank
- expectation maximization
- em algorithm
- mixture model
- level set
- machine learning
- evaluation metrics
- ranking functions
- language modeling
- generative model
- scoring function
- information retrieval