Semi-global Quad Mesh Structure Simplification via Separatrix Operations. - Kaoji Xu; Muhammad Naeem Akram; Guoning Chen (SIGGRAPH Asia Technical Communications, 2020)

An Embedded Polygon Strategy for Quality Improvement of 2D Quadrilateral Meshes with Boundaries. - Muhammad Naeem Akram; Lei Si; Guoning Chen (VISIGRAPP (1: GRAPP), 2021)

Structure simplification of planar quadrilateral meshes. - Muhammad Naeem Akram; Kaoji Xu; Guoning Chen (Comput. Graph., 2022)