Patents 

The following links are to the United States Patent and Trademark Office and contain the entire text (no figures) of the respective patents.  To obtain electronic versions (PDF) of our patents including figures, please visit Delphion.
 

2004: 1 Patent

• US Patent 6,633,411 [January 13, 2004]]

Method and apparatus for acquiring normal maps consistent with low spatial resolution meshes
H. Rushmeier and F. Bernardini
 

• US Patent 6,633,411 [October 14, 2003]]

Method and apparatus for repurposing binary images
R. Rao, F. Mintzer, G. Thompson
 
• US Patent 6,628,802 [September 30, 2003]

Marking and determining distortion in an image
G. Braudaway and L. Herzberg
 
• US Patent 6,628,281 [September 30, 2003]

Method and system for computing the intersection of a bounding volume and screen-aligned plane
G. Fossum and B. D'Amora
 
• US Patent 6,577,744 [June 10, 2003]

Protecting images with an image watermark
G. Braudaway and F. Mintzer
 
• US Patent 6,574,360 [June 3, 2003]

Accelerated occlusion culling using directional discretized occluders and system therefore
F. Bernardini, J. El-Sana, J. T. Klosowski, D. Luebke, J. Menon
 
• US Patent 6,571,021 [May 27, 2003]

Recovering an invisible digital image from a distored image replica
G. Braudaway
 
• US Patent 6,570,568 [May 27, 2003]

System and method for the coordinated simplification of surface and wire-frame descriptions of a geometric model
W. Horn, J. A. Valuyeva, J. T. Klosowski, F. Suits, G. Lecina
 
• US Patent 6,567,098 [May 20, 2003]

Method and apparatus in a data processing system for full scene anti-aliasing
B. D'Amora
 
• US Patent 6,518,964 [February 11, 2003]

Apparatus, system, and method for simplifying annotations on a geometric surface
F. Suits, J. T. Klosowski, W. P. Horn, G. Lecina
 

• US Patent 6,455,835 [September 24, 2002]

System, method, and program product for acquiring accurate object silhouettes for shape recovery
F. Bernardini, H. Biermann, H. Rushmeier, S. Savarese, and G. Taubin
 
• US Patent 6,452,596 [September 17, 2002]

Method and apparatus for efficient compression of non-manifold polygonal meshes
A. Gueziec, F. Bossen, G. Taubin, and C. Silva
 
• US Patent 6,445,389 [September 3, 2002]

Compression of polygonal models with low latency decompression
F. Bossen, A. Gueziec, C. Silva, and G. Taubin
 
• US Patent 6,414,680 [July 2, 2002]

System, program product and method of rendering a three dimensional image on a display
J.T. Klosowski and C. Silva
 
• US Patent 6,400,468 [June 4, 2002]

Smoothing calibration files to improve reproduction of digitized images
R. Rao and F. Mintzer
 
• US Patent 6,384,821 [May 7, 2002]

Method and apparatus for delivering 3D graphics in a networked environment using transparent video
P. Borrel, S. Hall, W. Horn, J.T. Klosowski, W.L. Luken, I.M. Martin, F. Suits 
 
• US Patent 6,377,257 [April 23, 2002]

Methods and apparatus for delivering 3D graphics in a networked environment
P. Borrel, S. Hall, W. Horn, J.T. Klosowski, W.L. Luken, I.M. Martin, F. Suits 
 
• US Patent 6,373,412 [April 16, 2002]

Fast JPEG huffman encoding and decoding
J.L. Mitchell, A.N. Cazes, N.M. Leeder 
 
• US Patent 6,356,262 [March 12, 2002]

System and method for fast polyhedral cell sorting
J.T. Klosowski, C. T. Silva, G. Taubin, P.L. Williams, J.S.B. Mitchell, J.L.D. Comba 

• US Patent 6,307,551 [October 23, 2001]

Method for generating and applying changes in the level of detail of a polygonal surface
A. Gueziec, F. Lazarus, G. Taubin 
 
• US Patent 6,301,495 [October 9, 2001]

System and method for intra-operative, image-based, interactive verification of a pre-operative surgical plan
A. Gueziec, A.D. Kalvin 
 
• US Patent 6,281,903 [August 28, 2001]

Methods and apparatus for embedding 2D image content into 3D models
I. M. Martin, Bengt-Olaf Schneider 
 
• US Patent 6,278,457 [August 21, 2001]

Methods and apparatus for performing sampling based synthesis of three-dimensional geometric models
F. Bernardini, P. Borrel, J.P. Menon 
 
• US Patent 6,260,036 [July 10, 2001]

Scalable parallel algorithm for self-organizing maps with applications to sparse data mining problems
G. Almasi, R. Lawrence, H. Rushmeier 
 
• US Patent 6,256,736 [July 3, 2001]

Secured signal modification and verification with privacy control
D. Coppersmith, F. Mintzer, C. Tresser, C.W. Wu, M. Yeung 
 
• US Patent 6,256,422 [July 3, 2001]

Transform-domain correction of real-domain errors
J. Mitchell, M. Bright 
 
• US Patent 6,243,502 [June 5, 2001]

Image quality maintenance
J. Christensen, J.C. Lee 
 
• US Patent 6,243,420 [June 5, 2001]

Multi-spectral image compression and transformation
J. Mitchell, B.-L. Yeo 
 
• US Patent 6,222,932 [April 24, 2001]

Automatic adjustment of image watermark strength based on computed image texture
R. Rao, F. Mintzer 
 
• US Patent 6,222,884 [April 24, 2001]

Multi-spectral image compression and transformation
J. Mitchell, B.-L. Yeo 
 
• US Patent 6,222,551 [April 24, 2001]

Methods and apparatus for providing 3D viewpoint selection in a server/client arrangement
B.-O. Schneider, I.M. Martin 
 
• US Patent 6,222,482 [April 24, 2001]

Hand-held device providing a closest feature location in a three-dimensional geometry database
A. Gueziec 
 
• US Patent 6,201,888 [March13, 2001]

System and method for restoring, describing and graphically displaying noise-corrupted boundaries in tomography images
A. Kalvin 
 
• US Patent 6,198,842 [March 6, 2001]

Multi-spectral image compression with bounded loss
B.-L. Yeo, J. Mitchell 
 
• US Patent 6,184,889 [February 6, 2001]

Method and apparatus for supporting non-power-two texture sizes for volume rendering
B. D'Amora 
 
• US Patent 6,184,897 [ February 6, 2001]

Compressed representation of changing meshes and method to decompress
A. Gueziec, G. Taubin 

• US Patent 6,094,454 [July 25, 2000]

Multi-spectral image compression and transformation
J.L. Mitchell, B.-L. Yeo 
 
• US Patent 6,091,854 [July 18, 2000]

Merged VLSI Implementation of Hardware Optimized Q-Coder and Software Optimized QM-Coder
M.J. Slattery, J.L. Mitchell 
 
• US Patent 6,055,065 [April 25, 2000]

Printer independent halftone image rendering
R. Rao, G.Thompson, C.Tresser, C.Wu 
 
• US Patent 6,031,548 [February 29, 2000]

Progressive multi-level transmission and display of triangular meshes
A. Gueziec, F. Lazarus, G. Taubin 
 
• US Patent 6,028,907 [February 22, 2000]

System and method for three-dimensional geometric modeling by extracting and merging two-dimensional contours from CT slice data and CT scout data
R. Adler, A. Kalvin, J. Margulies, C. Tresser, C. Wu 
 
• US Patent 6,026,142 [February 15, 2000]

System and method for boundary detection in tomographic images by geometry-constrained edge detection of projected data
A. Gueziec, A. Kalvin 
 
• US Patent 6,023,495 [February 8, 2000]

System and method for acquiring three-dimensional data subject to practical constraints by integrating CT slice data and CT scout images
R. Adler, A. Kalvin, J. Margulies, C. Tresser, C. Wu 
 
• US Patent 6,016,153 [January 18, 2000]

Method to convert non-manifold polyhedral surfaces into manifold surfaces
A. Gueziec, G. Taubin 

• US Patent 6,009,435 [December 28, 1999]

Progressive compression of clustered multi-resolution polygonal models
G. Taubin, W.Horn, P. Borrel 
 
• US Patent 5,974,168 [October 26, 1999]

Acquiring bump maps from curved objects
H. Rushmeier, G. Taubin, A. Gueziec 
 
• US Patent 5,946,370 [August 31, 1999]

System and method for accessing the three-dimensional geometry of large objects using X-ray based method subject to limitations on radiation doses
R. Adler, N. Haramati, A. Kalvin, J. Margulie, C. Tresser, C. Wu 
 
• US Patent 5,943,477 [August 24, 1999]

Microlocal calibration of digital printers
R. Rao, G.Thompson, C.Tresser, C.Wu 
 
• US Patent 5,905,507 [May 18, 1999]

Compression of geometric models using spanning trees
J. Rossignac, G. Taubin 
 
• US Patent 5,890,299 [April 6, 1999]

View Angle Correction for Accurate Color on Liquid Crystal Displays
F.P. Giordano 
 
• US Patent 5,878,102 [March 2, 1999]

Use of computer tomography scout images as an alternative to sinogram data
A. Kalvin 
 
• US Patent 5,875,249 [February 23, 1999]

An Invisible Image Watermark for Image Verification
F.C. Mintzer, M.M. Yeung 
 
• US Patent 5,874,955 [February 23, 1999]

Interactive rule based system with selection feedback that parameterizes rules to constrain choices for multiple operations
B. Rogowitz,;D. Rabenhorst, L. Treinish 
 
• US Patent 5,859,604 [January 12, 1999]

Merged VLSI Implementation of Hardware Optimized Q-Coder and Software Optimized QM-Coder
M.J. Slattery, J.L. Mitchell 

• US Patent 5,825,892 [October 20, 1998]

Protecting Images with an Invisible Image Watermark
G.W. Braudaway, F.C. Mintzer 
 
• US Patent 5,825,369 [October 20, 1998]

Compression of simple geometric models using spanning trees
J. Rossignac, G. Taubin 
 
• US Patent 5,764,217 [June 9, 1998]

Schematic guided control of the view point of a graphics processing and display system
P. Borrel, P. Kirchner, J. Lipscomb, J. Menon, J. Rossignac, R. Wolfe 
 
• US Patent 5,708,764 [January 13, 1998]

Hotlinks between an annotation window and graphics window for interactive 3D graphics
P. Borrel, K. Cheng, J. Menon, J. Rossignac 

• US Patent 5,631,976 [May 20, 1997]

Object imaging system
R. Bolle, J. Connell, N. Haas, R. Mohan, G. Taubin 

• US Patent 5,546,475 [August 13, 1996]

Produce recognition system
R. Bolle, J. Connell, N. Haas, R. Mohan, G. Taubin 
 
• US Patent 5,544,256 [August 6, 1996]

A system for automatic defect classification
V.Brecher, P. Chou, R.Hall, R. Rao, S.Riley, M.Sturzenbecker 
 
• US Patent 5,530,759 [June 25, 1996]

Color Correct Digital Watermarking of Images
G.W. Braudaway, K.A. Magerlein, F.C. Mintzer 
 
• US Patent 5,506,947 [April 9, 1996]

Curve and surface smoothing without shrinkage
G. Taubin 

• US Patent 5,448,686 [September 5, 1995]

Multi-resolution graphic representation employing at least one simplified model for interactive visualization applications
P. Borrel, J. Rossignac 

• US Patent 5,349,348 [September 20, 1994]

Method for Controlling a Multi-Mode Data Stream Generator
I.R. Finlay, K.L. Anderson, J.L. Mitchell, D.S. Thornton 
 
• US Patent 5,268,938 [December 1993]

Redundancy Scheme for Fourier Transform Coding of Peak Limited Channels
E. Feig, F.C. Mintzer 
 
• US Patent 5,210,602 [May 1993]

Coupled Color Error Diffusion
F.C. Mintzer 
 
• US Patent 5,099,440 [March 24, 1992]

Probability Adaptation for Arithmetic Coders
W.B. Pennebaker, J.L. Mitchell 
 
• US Patent 5,045,852 [September 3, 1991]

Dynamic Model Selection During Data Compression
W.B. Pennebaker, J.L. Mitchell, J.J. Rissanen 
 
• US Patent 5,029,107 [July 2, 1991]

Apparatus and Accompanying Method for Converting a Bit Mapped Monochromatic Image to a Gray Scale Image Using Table Look Up Operations
J. C. Lee 
 
• US Patent 4,965,677 [October 23, 1990]

Compression of Binary Halftones
W.B. Pennebaker, K.L. Anderson, J.L. Mitchell 
 
• US Patent 4,935,882 [June 19, 1990]

Probability Adaptation for Arithmetic Coders
W.B. Pennebaker, J.L. Mitchell 
 
• US Patent 4,933,883 [June 12, 1990]

Probability Adaptation for Arithmetic Coders
W.B. Pennebaker, J.L. Mitchell 
 
• US Patent 4,905,297 [February 27, 1990]

Arithmetic Coding Encoder and Decoder System
G.G. Langdon Jr., J.L. Mitchell, W.B. Pennebaker, J.J. Rissanen 
 
• US Patent 4,891,643 [January 2, 1990]

Arithmetic Coding Data Compression/De-compression By Selectively Employed, Diverse Arithmetic Encoders and Decoders
J.L. Mitchell, W.B. Pennebaker 

• US Patent 4,888,645 [December 19, 1989]

Method for Encoding and Decoding a Digital Image
J.L. Mitchell, K.L. Anderson, G. Goertzel 
 
• US Patent 4,885,786 [December 1989]

Method for Enlarging an Image Stored in Run Representation Form
K.L. Anderson, W.B. Pennebaker, K.S. Pennington 
 
• US Patent 4,885,576 [December 5, 1989]

Softcopy Display of Facsimile Images
W.B. Pennebaker, J.L. Mitchell, F.C. Mintzer 
 
• US Patent 4,870,695 [September 26, 1989]

Compression and Decompression of Column-Interlaced, Row-Interlaced Gray level Digital Images
C.A. Gonzales, J.L. Mitchell, W.B. Pennebaker 
 
• US Patent 4,799,105 [January 17, 1989]

Modified Technique for Suppression of Flicker in Interlaced Video Images
J.L. Mitchell, W.B. Pennebaker 
 
• US Patent 4,791,403 [December 13, 1988]

Log Encoder/Decoder System
J.L. Mitchell, W.B. Pennebaker, G. Goertzel 
 
• US Patent 4,783,834 [November 8, 1988]

System for Creating Transposed Image Data from a Run End or Run Length Representation of an Image
K.L. Anderson, J.L. Mitchell 
 
• US Patent 4,725,885 [February 16, 1988]

Adaptive Gray level Image Compression System
C.A. Gonzales, J.L. Mitchell, W.B. Pennebaker 
 
• US Patent 4,725,815 [February 16, 1988]

Method for Encoding and Decoding a Digital Image
J.L. Mitchell, K.L. Anderson, G. Goertzel 
 
• US Patent 4,712,140 [December 1987]

Image Reduction Method
F.C. Mintzer, K.L. Anderson 
 
• US Patent 4,689,824 [August 25, 1987]

Image Rotation Method
J.L. Mitchell, K.L. Anderson, F.C. Mintzer 
 
• US Patent 4,668,995 [May 1987]

System for Reproducing Mixed Images
Y.H. Chen, F.C. Mintzer, K.S. Pennington 
 
• US Patent 4,658,430 [April 14, 1987]

System for Rotating Binary Images
K.L. Anderson, J.L. Mitchell 
 
• US Patent 4,656,664 [April 1987]

Method for Reducing a Binary Image
K.L. Anderson, F.C. Mintzer 
 
• US Patent 4,646,356 [February 24, 1987]

Method for Converting a Bit Map of an Image to a Run Length or Run End Representation
K.L. Anderson, J.L. Mitchell, W.B. Pennebaker, G. Goertzel 
 
• US Patent 4,633,490 [December 30, 1986]

Symmetrical Adaptive Data Compression/Decompression System
J.L. Mitchell, G. Goertzel 
 
• US Patent 4,631,751 [December 1986]

Method for Enlarging a Binary Image
K.L. Anderson, F.C. Mintzer, G. Goertzel 
 
• US Patent 4,627,020 [December 2, 1986]

Method for Rotating a Binary Image
K.L. Anderson, F.C. Mintzer, G. Goertzel, J.L. Mitchell 
 
• US Patent 4,610,027 [September 2, 1986]

A Method for Converting a Bit Map of an Image to a Run Length or Run End Representation
K.L. Anderson, G. Goertzel, J.L. Mitchell 
 
• US Patent 4,596,039 [June 17, 1986]

Method for Converting an Image from a Run End or Run Length Representation to a Bit Map
J.L. Mitchell, K.L. Anderson 
 
• US Patent 4,569,081 [ February 4, 1986]

Method for Expansion of a Digital Image
F.C. Mintzer, K.L. Anderson, J.L. Mitchell 
 
• US Patent 4,558,370 [December 10, 1985]

Image Processing Method for Graphics Images
J.L. Mitchell, W.B. Pennebaker 

• US Patent 4,488,174 [December 11, 1984]

Method for Eliminating Motion Induced Flicker in a Video Image
J.L. Mitchell, W.B. Pennebaker 
 
• US Patent 4,415,914 [November 15, 1983]

Gray Scale Electrostatic Recording System and A Stylus Driver Therefor
F.P. Giordano, Robert J. Henshaw 
 
• US Patent 4,382,286 [May 3, 1983]

Method and Apparatus for Compressing and Decompressing Strings of Electrical Digital Data
J.L. Mitchell, P. Quarendon 
 
• US Patent 4,369,463 [January 18, 1983]

Gray Scale Image Compression with Code Words a Function of Image History
D. Anastassiou, J.L. Mitchell 
 
• US Patent 4,355,306 [October 19, 1982]

Dynamic Stack Data Compression with Decompression System
J.L. Mitchell 
 
• US Patent 4,188,635 [February 12, 1980]

Multi Nozzle Ink Jet Head
F.P. Giordano, L. Kuhn, R. Lane, C.-H. Lee, G.O. Zierdt 
 
• U.S. Defensive Publication T985,005 [August 7, 1979]

Two-Dimensional Image Data Compression and Decompression System
G. Goertzel, J.L. Mitchell

• U.S. Defensive Publication T985,005 [August 7, 1979]

Two-Dimensional Image Data Compression and Decompression System
G. Goertzel, J.L. Mitchell 
 
• US Patent 4,097,872, June 27, 1978]

Axial Droplet Aspirator
F.P. Giordano, Ferdinand Hendriks 
 
• US Patent 4,046,073 [September 6, 1977]

Ultrasonic Transfer Printing with Multi-Copy, Color and Low Audible Noise Capability
J.L. Mitchell, K.S. Pennington, F. Hochberg