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MULTI-SPECTRAL IMAGE ANALYSIS BASED ON DYNAMICAL EVOLUTIONARY PROJECTION PURSUIT
multi-spectral image projection pursuit dynamical evolutionary algorithm
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2015/8/10
Principal component analysis (PCA) is usually used for compressing information in multivariate data sets by computing orthogonal projections that maximize the amount of data variance. PCA is effective...
投影寻踪分类模型在作物补偿效应评价中的应用(Comprehensive Evaluation on Compensatory Effects of Water Recovery after Drought Based on Projection Pursuit Classification Model)
水分胁迫 补偿效应 投影寻踪分类
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2010/1/28
为了解决作物旱后复水补偿效应评价和优选的不确定性,提高补偿效应评价模型的分辨率,提出了投影寻踪分类模型,并采用变异和动态信息素更新蚁群算法寻找最优的投影方向,用最佳投影方向信息研究各评价指标对补偿效应的贡献率,发现光合速率的大小直接反应了补偿生长的能力,是影响补偿效应的关键因子,与以往研究结论相符,且适度胁迫复水后第5天表现出的补偿效应最佳。
Classifiability-Based Optimal Discriminatory Projection Pursuit
Classifiability-Based Optimal Discriminatory Projection Pursuit
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2013/7/17
Linear Discriminant Analysis (LDA) might be the most widely used linear feature extraction method in pattern recognition. Based on the analysis on the several limitations of traditional LDA, this pape...