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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimization problem in remote sensing data processing
遥感 数据处理 优化问题
2023/5/4
In this talk, we will introduce some optimization problem in remote sensing data processing. The high dimensional characteristics of remote sensing data, especially hyperspectral data, will not only l...
Operator splitting for conic optimization via homogeneous self-dual embedding
Segmentation method multiplier nonzero subspace double lonely computational subspace
2015/8/7
We introduce a first order method for solving very large cone programs to modest accuracy. The method uses an operator splitting method, the alternating directions method of multipliers, to solve the ...
Hierarchical Optimization of Visual Vocabulary for Effective and Transferable Retrieval
Hierarchical Optimization Visual Vocabulary Effective
2010/12/20
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although hierarchical quantiz...
The performanceofalearning-basedmethodhighlydependsonthequalityofatrainingset.However,itis verychallengingtocollectanefficientandeffectivetrainingsetfortrainingagoodclassifier,becauseof
the highdimen...
Drift Compensated Coding Optimization for Fast Bit-rate Reduction Transcoding
Drift Compensated Coding Fast Bit-rate Reduction Transcoding
2010/12/17
Bit rate adaptation is one of the basic problems in universal multimedia access. Therefore, in many cases, there exists a strong requirement for a very fast transcoding implementation. Usually, open-l...