MATLAB: Using PCA how to reduce the dimension of image

compressionmotion capturepca

hi.. im working on computer vision .here i want to compression the motion capture data without any loss .for that .,initially i want to work with PCA .can anyone help me please to code the image using PCA.?

Best Answer

PCA can be used to reduce the dimensionality, but it is a lossy process. If you are not limited to lossless compression, then the princomp tutorial:
doc princomp
http://www.mathworks.com/help/releases/R2011a/toolbox/stats/brkgqnt.html#f75476
is a good starting point.
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