The equivalence of two-dimensional PCA to line-based PCA.

Liwei Wang Xiao Wang Xuerong Zhang Jufu Feng The equivalence of two-dimensional PCA to line-based PCA. 57-60 2005 26 Pattern Recognition Letters 1 http://dx.doi.org/10.1016/j.patrec.2004.08.016 db/journals/prl/prl26.html#WangWZF05