Boosting
[1997] A Decision-Theoretic Generalization of on-Line Learning and an Application to Boosting
[1998] Boosting the margin A new explanation for the effectiveness of voting methods
[2002 ICIP TR] Empirical Analysis of Detection Cascades of Boosted Classifiers for Rapid Object Detection
[2003] The Boosting Approach to Machine Learning An Overview
[2004 IJCV] Robust Real-time Face Detection
Clustering
[1989 PAMI] Unsupervised Optimal Fuzzy Clustering
[1991 PAMI] A validity measure for fuzzy clustering
[1995 PAMI] On cluster validity for the fuzzy c-means model
[1998] Some New Indexes of Cluster Validity
[1999 ACM] Data Clustering A Review
[1999 JIIS] On Clustering Validation Techniques
[2001] Estimating the number of clusters in a dataset via the Gap statistic
[2001 NIPS] On Spectral Clustering
[2002] A stability based method for discovering structure in clustered data
[2007] A tutorial on spectral clustering
Decision Trees
[1986] Introduction to Decision Trees
Expectation Maximization
[1977] Maximum likelihood from incomplete data via the EM algorithm
[1996 SPM] The Expectation-Maximzation Algorithm
Principal Component Analysis
[2001 PAMI] PCA versus LDA
[2001] Nonlinear component analysis as a kernel eigenvalue problem
[2002] A Tutorial on Principal Component Analysis
[2009] A Tutorial on Principal Component Analysis
[2011] Robust Principal Component Analysis
Image Retrieval
[2000 PAMI] Content-based image retrieval at the end of the early years
[2000 TIP] PicToSeek Combining Color and Shape Invariant Features for Image Retrieval
[2002] Content-Based Image Retrieval Systems A Survey
[2008] Content-Based Image Retrieval-Literature Survey
[2010] Plant Image Retrieval Using Color,Shape and Texture Features
[2012 PAMI] A Multimedia Retrieval Framework Based on Semi-Supervised Ranking and Relevance Feedback