Misspecified nonconvex statistical optimization for sparse phase retrieval.
Zhuoran YangLin F. YangEthan X. FangTuo ZhaoZhaoran WangMatey NeykovPublished in: Math. Program. (2019)
Keyphrases
- optimization problems
- global optimization
- nonlinear programming
- query expansion
- information retrieval
- texture retrieval
- image database
- information retrieval systems
- constrained optimization
- language models for information retrieval
- sparse pca
- optimization methods
- document retrieval
- test collection
- relevance feedback
- evolutionary algorithm
- image retrieval
- objective function
- low rank matrices
- joint optimization
- learning phase
- robust principal component analysis
- optimization process
- combinatorial optimization
- sparse coding
- multimedia databases
- convex optimization
- text retrieval
- statistical methods
- statistical models
- retrieval systems
- sparse representation
- language model
- high dimensional
- search engine