Fig. 3.


Download original image

An example of linear dimensionality reduction where the data matrix of AR image patches Z is factored as a product of a dictionary A of representative elements and the corresponding coefficients in the matrix H. The A matrix consists of the basic building blocks for the data matrix Z and H contains the corresponding coefficients.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.