Approximating Gradients for Meshes and Point Clouds via Diffusion Metric.

Chuanjiang Luo Issam Safa Yusu Wang Approximating Gradients for Meshes and Point Clouds via Diffusion Metric. 1497-1508 2009 28 Comput. Graph. Forum 5 http://dx.doi.org/10.1111/j.1467-8659.2009.01526.x db/journals/cgf/cgf28.html#LuoSW09