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Ronald N. Perry

Ronald N. Perry
  • Position:
    Research / Technical Staff

    Distinguished Research Scientist
  • Education:
    B.Sc., Bucknell University
  • Research Areas:
Ron's Quick Links

  • Biography

    Ron's fundamental research in computer graphics has resulted in numerous publications, a comprehensive patent portfolio, and the development of several meticulously crafted software and hardware products. Ron is best known for the Saffron Type System.  The other highlight of his research is the development of 3D ADFs for CAD related products, including an NC simulation system demonstrating unprecedented precision and compactness.

  • MERL Publications

    •  Sullivan, A., Erdim, H., Perry, R.N., Frisken, S.F., "High Accuracy NC Milling Simulation Using Composite Adaptively Sampled Distance Fields", Computer-Aided Design, Vol. 44, No. 6, pp. 522-536, June 2012.
      BibTeX TR2012-025 PDF
      • @article{Sullivan2012jun,
      • author = {Sullivan, A. and Erdim, H. and Perry, R.N. and Frisken, S.F.},
      • title = {High Accuracy NC Milling Simulation Using Composite Adaptively Sampled Distance Fields},
      • journal = {Computer-Aided Design},
      • year = 2012,
      • volume = 44,
      • number = 6,
      • pages = {522--536},
      • month = jun,
      • url = {https://www.merl.com/publications/TR2012-025}
      • }
    •  Frisken, S.F., Perry, R.N., "Designing with Distance Fields", ACM SIGGRAPH, July 2006, pp. 60-66.
      BibTeX TR2006-054 PDF
      • @inproceedings{Frisken2006jul,
      • author = {Frisken, S.F. and Perry, R.N.},
      • title = {Designing with Distance Fields},
      • booktitle = {ACM SIGGRAPH},
      • year = 2006,
      • pages = {60--66},
      • month = jul,
      • isbn = {1-59593-364-6},
      • url = {https://www.merl.com/publications/TR2006-054}
      • }
    •  Jakubiak, E.J., Perry, R.N., Frisken, S.F., "An Improved Representation for Stroke-based Fonts", ACM SIGGRAPH, July 2006.
      BibTeX TR2006-119 PDF
      • @inproceedings{Jakubiak2006jul,
      • author = {Jakubiak, E.J. and Perry, R.N. and Frisken, S.F.},
      • title = {An Improved Representation for Stroke-based Fonts},
      • booktitle = {ACM SIGGRAPH},
      • year = 2006,
      • month = jul,
      • isbn = {1-59593-364-6},
      • url = {https://www.merl.com/publications/TR2006-119}
      • }
    •  Sarah F. Frisken, Ronald N. Perry, "Creature Feature: An Intuitive System for Designing 3D Models", Tech. Rep. TR2003-15, Mitsubishi Electric Research Laboratories, Cambridge, MA, December 2003.
      BibTeX TR2003-15 PDF
      • @techreport{MERL_TR2003-15,
      • author = {Sarah F. Frisken, Ronald N. Perry},
      • title = {Creature Feature: An Intuitive System for Designing 3D Models},
      • institution = {MERL - Mitsubishi Electric Research Laboratories},
      • address = {Cambridge, MA 02139},
      • number = {TR2003-15},
      • month = dec,
      • year = 2003,
      • url = {https://www.merl.com/publications/TR2003-15/}
      • }
    •  Frisken, S., Perry, R., "Simple and Efficient Traversal Methods for Quadtrees and Octrees", Journal of Graphics Tools, Vol. 7, No. 3, May 2003.
      BibTeX TR2002-41 PDF
      • @article{Frisken2003may,
      • author = {Frisken, S. and Perry, R.},
      • title = {Simple and Efficient Traversal Methods for Quadtrees and Octrees},
      • journal = {Journal of Graphics Tools},
      • year = 2003,
      • volume = 7,
      • number = 3,
      • month = may,
      • url = {https://www.merl.com/publications/TR2002-41}
      • }
    See All Publications for Ron

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  • MERL Issued Patents

    • Title: "Method for Labeling Segments of Paths as Interior or Exterior"
      Inventors: Perry, Ronald N.; Jakubiak, Elena J.
      Patent No.: 9,437,014
      Issue Date: Sep 6, 2016
    • Title: "Method for Converting Paths Defined by a Nonzero Winding Rule"
      Inventors: Perry, Ronald N.; Jakubiak, Elena J.
      Patent No.: 9,430,851
      Issue Date: Aug 30, 2016
    • Title: "Method and System for Rendering 3D Distance Fields"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.; Sullivan, Alan
      Patent No.: 9,336,624
      Issue Date: May 10, 2016
    • Title: "Method for Embedding Messages into Documents Using DistanceFields"
      Inventors: Rane, Shantanu D.; Vetro, Anthony; Perry, Ronald N.
      Patent No.: 8,427,509
      Issue Date: Apr 23, 2013
    • Title: "Method for Converting Outline Characters to Stylized Stroke Characters"
      Inventors: Jakubiak, Elena J.; Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 8,306,328
      Issue Date: Nov 6, 2012
    • Title: "A Method for Generating a Distance Field of an Object Represented by Stylized Strokes"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 8,269,776
      Issue Date: Sep 18, 2012
    • Title: "A Method for Reconstructing a Distance Field of a Swept Volume at a Sample Point"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.; Sullivan, Alan
      Patent No.: 8,265,909
      Issue Date: Sep 11, 2012
    • Title: "Method for Improving Character Outlines Using Multiple Alignment Zones"
      Inventors: Chan, Eric; Perry, Ronald N.
      Patent No.: 8,107,729
      Issue Date: Jan 31, 2012
    • Title: "Method for Improving Uniform Width Character Strokes Using Multiple Alignment Zones"
      Inventors: Chan, Eric; Perry, Ronald N.
      Patent No.: 8,102,397
      Issue Date: Jan 24, 2012
    • Title: "A Method for Simulating Numerically Controlled Milling Using Adaptively Sampled Distance Fields"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.; Sullivan, Alan
      Patent No.: 8,010,328
      Issue Date: Aug 30, 2011
    • Title: "A Method for Generating a Distance Field of an Object Represented By Outlines"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,813,555
      Issue Date: Oct 12, 2010
    • Title: "Method, Apparatus, and System for Rendering Using a Progressive Cache"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,190,367
      Issue Date: Mar 13, 2007
    • Title: "Method for Animating Two-Dimensional Objects"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,176,926
      Issue Date: Feb 13, 2007
    • Title: "Method and System for Modeling Interaction of Objects"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,136,786
      Issue Date: Nov 14, 2006
    • Title: "Method and Apparatus for Antialiasing a Set of Objects Represented as a Set of Two-Dimensional Distance Fields in Image-Order"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,123,271
      Issue Date: Oct 17, 2006
    • Title: "Method for Converting Two-Dimensional Pen Strokes to Distance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,106,332
      Issue Date: Sep 12, 2006
    • Title: "Single Lens 3D Camera"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,102,683
      Issue Date: Sep 5, 2006
    • Title: "Methods for Generating an Adaptively Sampled Distance Fieldof an Object with Specialized Cells"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,042,458
      Issue Date: May 9, 2006
    • Title: "Method for Antialiasing an Object Represented as a Two-Dimensional Distance Field in Image-Order"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,034,845
      Issue Date: Apr 25, 2006
    • Title: "Method for Generating a Two-Dimensional Distance Field within a Cell Associated with a Corner of a Two-Dimensional Object"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,034,830
      Issue Date: Apr 25, 2006
    • Title: "System for Converting Range Data to 3D Models"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,034,818
      Issue Date: Apr 25, 2006
    • Title: "Method for Converting Two-Dimensional Objects to Distance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,030,881
      Issue Date: Apr 18, 2006
    • Title: "Topological Hinting for Rasterizing Letter Glyphs at Low Resolutions"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,027,045
      Issue Date: Apr 11, 2006
    • Title: "Method for Generating a Composite Glyph and Rendering a Region of the Composite Glyph in Image-Order"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,006,108
      Issue Date: Feb 28, 2006
    • Title: "Method for Typesetting a Set of Glyphs Represented as a Setof Two-Dimensional Distance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,006,095
      Issue Date: Feb 28, 2006
    • Title: "Method for Generating a Composite Glyph and Rendering a Region of the Composite Glyph in Object-Order"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 7,002,598
      Issue Date: Feb 21, 2006
    • Title: "Tiled Generation of Adaptively Sampled Distance Fields"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 7,002,570
      Issue Date: Feb 21, 2006
    • Title: "Method for Antialiasing an Object Represented as a Two-Dimensional Distance Field in Object-Order"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,982,724
      Issue Date: Jan 3, 2006
    • Title: "Method for Determining Distances to a Surface from a Range Image"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,963,671
      Issue Date: Nov 8, 2005
    • Title: "Blending of Adaptively Sampled Distance Fields for Topological Hinting"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,954,203
      Issue Date: Oct 11, 2005
    • Title: "Conversion of Adaptively Sampled Distance Fields to Triangles"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,943,789
      Issue Date: Sep 13, 2005
    • Title: "Method for Antialiasing a Set of Objects Represented as a Set of Two-Dimensional Distance Fieldsin Object-Order"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,933,952
      Issue Date: Aug 23, 2005
    • Title: "Method for Correcting an Adaptively Sampled Distance Field"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,933,939
      Issue Date: Aug 23, 2005
    • Title: "Method and Apparatus for Rendering Cell-Based Distance Fields Using Texture Mapping"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,917,369
      Issue Date: Jul 12, 2005
    • Title: "System for User Guided Model Simplification"
      Inventors: Perry, Ronald N.; Pope, Jackson W.; Frisken, Sarah F.
      Patent No.: 6,891,535
      Issue Date: May 10, 2005
    • Title: "Method For Generating Detail-Directed Normal Cones for a Graphics Model"
      Inventors: Perry, Ronald N.; Pope, Jackson W.; Frisken, Sarah F.
      Patent No.: 6,873,342
      Issue Date: Mar 29, 2005
    • Title: "Method for Traversing Quadtrees, Octrees, and N-DimensionalBi-trees"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,868,420
      Issue Date: Mar 15, 2005
    • Title: "Enhancing Textured Range Images Using a 2D Editor"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,862,024
      Issue Date: Mar 1, 2005
    • Title: "Method for Determining the Shape of Objects Directly From Range Images"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,836,562
      Issue Date: Dec 28, 2004
    • Title: "Method for Generating a Textured Range Image"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,792,205
      Issue Date: Sep 14, 2004
    • Title: "Method for Optimizing a Continuous Complex System Using a Set of Vertices and Dynamic HierarchicalConstraints"
      Inventors: Perry, Ronald N.
      Patent No.: 6,763,276
      Issue Date: Jul 13, 2004
    • Title: "Hierarchical Control Point Editing of Adaptively Sampled Distance Fields"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,741,246
      Issue Date: May 25, 2004
    • Title: "System for Sculpting Digital Models"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,724,393
      Issue Date: Apr 20, 2004
    • Title: "Anti-Aliasing with Line Samples"
      Inventors: Perry, Ronald N.; Kotredes, Robert M.; Jones, Thouis R.
      Patent No.: 6,700,672
      Issue Date: Mar 2, 2004
    • Title: "Surface Following Interaction Method for Adaptively SampledDistance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,670,962
      Issue Date: Dec 30, 2003
    • Title: "Dynamic Meshing Using Adaptively Sampled Distance Fields"
      Inventors: Pope, Jackson W.; Frisken, Sarah F.; Perry, Ronald N.
      Patent No.: 6,639,599
      Issue Date: Oct 28, 2003
    • Title: "Method for Selectively Regenerating an Adaptively Sampled Distance Field"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,628,280
      Issue Date: Sep 30, 2003
    • Title: "Distance Based Constraints for Adaptively Sampled Distance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,608,629
      Issue Date: Aug 19, 2003
    • Title: "Sculpting Objects using Detail-Directed Hierarchical Distance Fields"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.; Jones, Thouis R.
      Patent No.: 6,603,484
      Issue Date: Aug 5, 2003
    • Title: "Continuous Memoization"
      Inventors: Perry, Ronald N.; Jones, Thouis R.
      Patent No.: 6,553,394
      Issue Date: Apr 22, 2003
    • Title: "Method for Dynamic Constraint Handling in Vertex Based Optimization of a Continuous Complex System"
      Inventors: Perry, Ronald N.
      Patent No.: 6,516,313
      Issue Date: Feb 4, 2003
    • Title: "Game Playing with Individual Anonymous Laser Pointers"
      Inventors: Perry, Ronald N.; Jones, Thouis R.
      Patent No.: 6,488,583
      Issue Date: Dec 3, 2002
    • Title: "Representing a Color Gamut with a Hierarchical Distance Field"
      Inventors: Frisken, Sarah F.; Perry, Ronald N.; Jones, Thouis R.
      Patent No.: 6,483,518
      Issue Date: Nov 19, 2002
    • Title: "Detail-Directed Hierarchical Distance Fields"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.; Jones, Thouis R.
      Patent No.: 6,396,492
      Issue Date: May 28, 2002
    • Title: "Method and Apparatus for Multi-Phase Rendering"
      Inventors: Perry, Ronald N.; Waters, Richard C.; Seiler, Larry; Jones, Thouis R.
      Patent No.: 6,359,619
      Issue Date: Mar 19, 2002
    • Title: "Method for Estimating Volumetric Distance Maps from 2D Depth Images"
      Inventors: Perry, Ronald N.; Frisken, Sarah F.
      Patent No.: 6,262,738
      Issue Date: Jul 17, 2001
    See All Patents for MERL