Sketch-based modeling: A survey L Olsen, FF Samavati, M Costa Sousa, JA Jorge Computers & Graphics 33 (1), 85-103, 2009 | 432 | 2009 |

ShapeShop: Sketch-Based Solid Modeling with BlobTrees JJA Schmidt R, Wyvill B, Costa Sousa M 2nd Eurographics Workshop on Sketch-based Interfaces and Modeling (SBIM '05), 2005 | 254* | 2005 |

Computer‐generated graphite pencil rendering of 3D polygonal models MC Sousa, JW Buchanan Computer Graphics Forum 18 (3), 195-208, 1999 | 254 | 1999 |

Sketch-based modeling with few strokes JJ Cherlin, F Samavati, MC Sousa, JA Jorge Proceedings of the 21st spring conference on Computer graphics, 137-145, 2005 | 153 | 2005 |

The edge buffer: A data structure for easy silhouette rendering JW Buchanan, MC Sousa Proceedings of the 1st international symposium on Non-photorealistic …, 2000 | 150 | 2000 |

Observational models of graphite pencil materials MC Sousa, JW Buchanan Computer Graphics Forum 19 (1), 27-49, 2000 | 149 | 2000 |

Observational model of blenders and erasers in computer-generated pencil rendering MC Sousa, JW Buchanan Graphics Interface 99, 157-166, 1999 | 110 | 1999 |

A few good lines: Suggestive drawing of 3d models MC Sousa, P Prusinkiewicz Computer Graphics Forum 22 (3), 381-390, 2003 | 109 | 2003 |

A work-efficient GPU algorithm for level set segmentation M Roberts, MC Sousa, JR Mitchell ACM SIGGRAPH 2010 Posters, 1-1, 2010 | 88 | 2010 |

Eliciting usable gestures for multi-display environments T Seyed, C Burns, M Costa Sousa, F Maurer, A Tang Proceedings of the 2012 ACM international conference on Interactive …, 2012 | 87 | 2012 |

Napkin sketch: handheld mixed reality 3D sketching M Xin, E Sharlin, MC Sousa Proceedings of the 2008 ACM symposium on Virtual reality software and …, 2008 | 85 | 2008 |

Non-photorealistic rendering in context: an observational study T Isenberg, P Neumann, S Carpendale, MC Sousa, JA Jorge Proceedings of the 4th international symposium on Non-photorealistic …, 2006 | 85 | 2006 |

Stippling by example SY Kim, R Maciejewski, T Isenberg, WM Andrews, W Chen, MC Sousa, ... Proceedings of the 7th International Symposium on Non-Photorealistic …, 2009 | 67 | 2009 |

Single camera flexible projection J Brosz, FF Samavati, MST Carpendale, MC Sousa Proceedings of the 5th international symposium on Non-photorealistic …, 2007 | 60 | 2007 |

Modeling plant structures using concept sketches F Anastacio, MC Sousa, F Samavati, JA Jorge Proceedings of the 4th international symposium on Non-photorealistic …, 2006 | 56 | 2006 |

Terrain synthesis by-example J Brosz, FF Samavati, MC Sousa Advances in Computer Graphics and Computer Vision, 58-77, 2007 | 55 | 2007 |

Precise ink drawing of 3D models MC Sousa, K Foster, B Wyvill, F Samavati Computer Graphics Forum 22 (3), 369-379, 2003 | 54 | 2003 |

Measuring stipple aesthetics in hand-drawn and computer-generated images R Maciejewski, T Isenberg, WM Andrews, DS Ebert, MC Sousa, W Chen IEEE Computer Graphics and Applications 28 (2), 62-74, 2008 | 48 | 2008 |

GPU-based point radiation for interactive volume sculpting and segmentation J Chen, F Samavati, M Costa Sousa | 45 | 2008 |

The 3d tractus: A three-dimensional drawing board P Lapides, E Sharlin, MC Sousa, L Streit First IEEE International Workshop on Horizontal Interactive Human-Computer …, 2006 | 43 | 2006 |