Understanding Hard Negatives in Noise Contrastive Estimation.
Wenzheng ZhangKarl StratosPublished in: NAACL-HLT (2021)
Keyphrases
- estimation algorithm
- false positives
- signal to noise ratio
- noise model
- image structure
- restrictive assumptions
- estimation accuracy
- additive noise
- estimation error
- density estimation
- noise reduction
- data sets
- parameter estimation
- input data
- markov random field
- maximum likelihood estimation
- positive examples
- noise removal
- least squares
- multiscale
- training data
- estimated parameters
- decision trees