Sparse PDF maps for non-linear multi-resolution image operations
ACM Transactions on Graphics (TOG)
By Jens Krüger, Johanna Beyer, Markus Hadwiger, Ronell Sicat, Torsten Möller
Issue Date:November 2012
We introduce a new type of multi-resolution image pyramid for high-resolution images called sparse pdf maps (sPDF-maps). Each pyramid level consists of a sparse encoding of continuous probability density functions (pdfs) of pixel neighborhoods in the origi...