"Toward High Quality Gradient Estimation on Regular Lattices", IEEE Transactions on Visualization and Computer Graphics, vol. 17, issue 4, no. 4, Los Alamitos, CA, USA, IEEE Computer Society, pp. 426-439, 04/2011.
preprint (12.98 MB) derivation of filter weights (484.64 KB) slides from VisWeek 2011 (32.08 MB)
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