1. The edge flag algorithm-a fill method for raster scan displays;Ackland;IEEE Trans. Comput.,1981
2. Filling algorithms for raster graphics;Pavlidis,1978
3. How to color in a coloring book;Lieberman;Comput. Graphics,1978
4. Two-pass filling algorithm for raster graphics;Distante;Comput. Graphics Image Process.,1982
5. Principles of Interactive Computer Graphics;Newman,1979