KRASIMIR D. KOLAROV

For copies of papers please send E-mail to (kolarov@stanfordalumni.org).


For more information on my current work, please check http://www.apple.com .

Patents

Krasimir Kolarov, William Lynch, Peter Schroder and Wim Swelddens, "Wavelet-Based Data Compression", Patent Number: 6,144,773 Date: Nov.7, 2000

William Lynch, Krasimir Kolarov, Robert Hoover and William Arrighi, "Border Filtering of Video Signal Blocks", Patent Number 6,229,929 Date: May 8, 2001

William Lynch, Krasimir Kolarov, Robert Hoover and William Arrighi, "Single Chip Motion Wavelet Zero Tree Codec for Image and Video Compression", Patent Number 6,381,280 Date: April 30, 2002

William Lynch, Krasimir Kolarov, Robert Hoover and William Arrighi, "Color Rotation Integrated with Compression of Video Signal", Patent Number 6,396,948 date: May 28, 2002

William Lynch, Krasimir Kolarov, Robert Hoover and William Arrighi, "Compression of Combined Black/White and Color Video Signal", Patent Number 6,516,030 date: Feb. 4, 2003

William Lynch, Krasimir Kolarov and William Arrighi, "Low Cost Video Compression using Fast, Modified Z-coding of Wavelet Pyramids", Patent Number 6,570,924 date: May 27, 2003

Krasimir Kolarov and Steven Saunders, "Haptic Interaction with Video and Image Data", Patent Number 6,650,338 date: Nov. 18, 2003

Steven Saunders, William Lynch and Krasimir Kolarov, "Multiple Codec-Imager System and Method", Patent Number 6,825,780 date: Nov. 30, 2004

William Lynch, Krasimir Kolarov and Steven Saunders, "System and Method for a Dyadic-Monotonic (DM) Codec", Patent Number 6,847,317 date: Jan. 25, 2005

William Lynch, Krasimir Kolarov and William Arrighi, "Low Cost Video Compression using Fast, Modified Z-coding of Wavelet Pyramids", Patent Number 7,016,416 date: March 20, 2006

William Lynch, Krasimir Kolarov, Robert Hoover and William Arrighi, "Storage Reduction During Compression", Patent Number 7,130,351 date: October 31, 2006

William Lynch, Krasimir Kolarov and Steven Saunders, "System and Methods for Pile-Processing Parallel Processors", Chinese Patent Number ZL 03 8 17750.1, date: May 28, 2008

William Lynch, Krasimir Kolarov and Steven Saunders, "Multiple Technique Entropy Coding System and Method", Patent Number 7,436,329 date: October 14, 2008

Steven Saunders, William Lynch and Krasimir Kolarov, "Compression Rate Control System and Method with Variable Subband Processing", Patent Number 7,525,463 date: April 28, 2009

William Lynch, Krasimir Kolarov and William Arrighi, "Low Cost Video Compression Using Fast, Modified Z-Coding of Wavelet Pyramids", Patent Number 7,634,008 date: December 15, 2009

John Ralston, Krasimir Kolarov and Steven Saunders, "Methods for Deploying Video Monitoring Applications and Services across Heterogenous Networks", Patent Number 7,679,649 date: March 16, 2010

Steven Saunders, Krasimir Kolarov and William Lynch, "Chroma Temporal Rate Reduction and High-Quality Pause System and Method", Patent Number 7,844,122 date: November 30, 2010

William Lynch, Krasimir Kolarov and William Arrighi, "Low Cost Video Compression Using Fast, Modified Z-Coding of Wavelet Pyramids", Patent Number 8,116,377 date: February 14, 2012

Steven Saunders, William Lynch and Krasimir Kolarov, "Compression Rate Control System and Method with Variable Subband Processing", Patent Number 8,279,098 date: October 2, 2012

Krasimir Kolarov and Steven Saunders, "Image and Video Quality Assessment", Patent Number 8,848,061 date: September 30, 2014

John Ralston, Steven Saunders and Krasimir Kolarov, "Mobile Imaging Application, Device Architecture, Service Platform Architecture and Services", Patent Number 8,849,964 date: September 30, 2014

John Ralston, Krasimir Kolarov and Steven Saunders, "Methods for Deploying Video Monitoring Applications and Services Accross Heterogeneous Networks", Patent Number 8,896,717 date: November 25, 2014

William Lynch, Krasimir Kolarov and Steven Saunders, "Multiple Technique Entropy Coding System and Method", Patent Number 8,947,271 date: February 3, 2015

Krasimir Kolarov and Steven Saunders, "Aligned Video Comparison Tool", Patent Number 8,994,828 date: March 31, 2015

Krasimir Kolarov and Steven Saunders, "Reference and Non-Reference Video Quality Evaluation", Patent Number 9,235,985 date: April 26, 2016

More than 10 patent-pending applications in the areas of Image and Video Quality, Video Compression, Power Saving Technology, Telecommunication and Security Applications   filed 1998 - 2016


International Standards Participation and Contributions

Numerious contributions on Video, Green MPEG and Common Media Application Format in MPEG

Chair and co-author of MPEG standard ISO/IEC 14496-29 Web Video Coding (WebVC) published in April 2015 .

Co-chair and co-author of ongoing MPEG standartization of MPEG-A Part 20 Common Media Application Format (CMAF) started in February 2016 .

Publications

Video Compression

Kolarov K., Chung F. and Lynch W. "Low Complexity Real-time Video Encoding for Soft Set-Top Box Platforms", Proceedings of Cable 2K, New Orleans, May 2000.

Chung F., Kolarov K. and Lynch W. "A Real-time Implementation of a Low-complexity Wavelet-based Video Codec on a Media Chip", SPIE Conference on Applications of Digital Image Processing, San Diego, July 2000.

Kolarov K. and Lynch W. "Very Low Cost Video Wavelet Codec", SPIE Conference on Applications of Digital Image Processing, Vol. 3808, Denver, July 1999.

Kolarov K., Lynch W., Arrighi W. and Hoover B. "A Fractional Chip Wavelet Zero Tree Codec for Video Compression ", poster, Data Compression Conference DCC'99, March 1999.

Lynch W., Kolarov K. and Arrighi, W. "Low Cost Video Compression using Fast, Modified Z-Coding of Wavelet Pyramids", Proc. of the International Conference on Image Processing ICIP'99, October 1999.

Lynch W., Kolarov K. and Arrighi, W. "Fast, Modified Z-Coding of Wavelet Pyramids", poster, Data Compression Conference DCC'99, March 1999.

Lynch W., Kolarov K., Arrighi W. and Hoover R., "WZD - A Very Low Complexity Wavelet Video Codec for an ASIC Macro," Proceedings of the Picture Coding Symposium PCS'99, April, 1999.

Kolarov K., Lynch W., Arrighi W. and Hoover R. "A Very Low Cost Video Codec", talk on the Interval's video compression technology, Stanford University; IMA February 1999.

High-Dimensional Data Compression

Kolarov K. " Graphical and Haptic Interaction with Large 3D Compressed Objects ", Proceedings of the World Automation Congress WAC'2000, June 2000.

Kolarov, K. "Representation, Optimization and Compression of High-Dimensional Data", World Multiconference on Systemics, Cybernetics and Informatics SCI'98/ ISAS'98, Orlando, 1998.

Kolarov, K and Lynch W. "Compact Description and Modeling of Multidimensional Information", 3rd IEEE European Symposium on Computer-Intensive Methods CMP'98, Prague, 1998 (best paper award).

Lynch, W. and Kolarov, K. "Topological Approximation and Compression of Functions and Thei r Wavelet Expansions", Proc. of the International Wavelets Conference "Wavelets and Multiscale Method"s, Tangier, April, 1998.

Kolarov, K and Lynch W. "Compression of Functions Defined on Surfaces of 3D Objects", In J. Storer and M. Cohn, editors, Proc. of Data Compression Conference, IEEE Computer Society Press, pp. 281-291, 1997.

Kolarov, K and Lynch W. "Optimization of the SW Algorithm for High-Dimensional Compression", Compression and Complexity of SEQUENCES 1997, IEEE Computer Society Press, pp. 194-204, 1997.

Kolarov, K and Lynch W. "Wavelet Compression for 3D and Higher-Dimensional Objects", Proc. of SPIE Conference on Applications of Digital Image Processing, Volume 3164, San Diego, California, pp. 247-260, July 1997.

Kolarov, K. and Lynch, W. "Compact Representation of Functions on Multidimensional Manifolds", Proc. of the International Conference on Curves and Surfaces, Lillehammer, Norway, 1997.

Yu, T., Kolarov, K. and Lynch, W. "Barysymmetric Multiwavelets on Triangle", Interval Research Corp. Technical Report IRC 1997-006, March 11, 1997.

Kolarov, K. and Lynch W. "Compression of Scalar Functions Defined on 2-Manifolds", Interval Research Corp. Technical Report 1996-012, September 13, 1996.

3D Haptics

Kolarov, K. "Haptics and Robotics", talk on general applications on Haptics and Robotics, available interfaces and our research in 3D Haptics, given at Stanford University and U C Berkeley, 1998.

Ruspini, D., Kolarov, K. and Khatib, O. "The Haptic Display of Complex Graphical Environments", Computer Graphics Proceedings, Annual Conference Series, SIGGRAPH'97, Los Angeles, California, pp. 345-352, September 1997.

Ruspini, D., Kolarov, K. and Khatib, O. "Haptic Interaction in Virtual Environments", Proc. of the IEEE International Conference on Intelligent Robots and Systems IROS'97, Grenoble, France, September 1997.

Kolarov, K. and Ruspini, D. "Graphical and Haptic Manipulation of 3D Objects", in J. Salisbury and M. Srinivasan, editors, Proc. of the First PHANToM Users Group Workshop, M.I.T. Artificial Intelligence Laboratory Technical Report AITR-1596, 1996.

Ruspini, D., Kolarov, K. and Khatib, O. "Robust Haptic Display of Graphical Environments", in J. Salisbury and M. Srinivasan, editors, Proc. of the First PHANToM Users Group Workshop, M.I.T. Artificial Intelligence Laboratory Technical Report AITR-1596, 1996.

Adaptive Computation

Kolarov, K "Landscape Ruggedness in Evolutionary Computation", Proc. of IEEE International Conference on Evolutionary Computing, Indianapolis, 1997.

Kolarov, K. "The Role of Selection in Evolutionary Algorithms", Proc. of IEEE International Conference on Evolutionary Computing, Perth, Australia, 1995.

Kolarov, K. "The Dynamics of Populations in Evolutionary Algorithms: A Parametric Analysis", Interval Research Corp. Technical Report, June 1994.

Robotics

Kolarov, K. "Algorithms for Optimal Design of Robots in Complex Environments", Algorithmic Foundations of Robotics, A.K.Peters, Ltd., 1995.

Kolarov, K. and Roth, B. "Best Placement of Telescoping Robots in Environments with Obstacles", Intelligent Robotics, Tata McGraw Hill Publishing Co. Ltd., 1993.

Kolarov, K. "Optimal Geometric Design of Robots for Environments with Obstacles", Ph.D. Thesis, Stanford University, September 1992.

Kolarov, K. and Roth, B. "Best Estimates for the Construction of Robots in Environments with Obstacles", Proc. of the 1992 IEEE International Conference on Robotics and Automation, Nice, France, 1992.

Kolarov, K. and Roth, B. "On the Number of Links and Placement of Telescoping Manipulators in an Environment with Obstacles", Proc. 5th International Conference on Advanced Robotics, Pisa, Italy, 1991.

Mathematics and Artificial Intelligence

Kolarov, K. "Some Generalizations and Applications of the Geometrical Theorem of Holditch", Proc. 15th Spring Conference of the Union of Bulgarian Mathematicians, Sunny Beach, Bulgaria, 1986.

Kolarov, K. "The Applied Programming Product PRIZ and Some Problems in Artificial Intelligence", Proc. 12th National Conference in Mathematics and Mechanics, Sofia, Bulgaria, 1986.

Kolarov, K. "A Model of Constructive-Adaptive System with Artificial Intelligence", Proc. 5th National Congress of Theoretical and Applied Mechanics, Varna, Bulgaria, 1985 (in Russian).

Kolarov, K. and Kenderov, P. "Holditch's Theorem", Polish journal Delta, 8(128), 1984 (in Polish).

Kolarov, K. and Kenderov, P. "The Theorem of Holditch", Bulgarian journal Mathematica, 7, 1983 (in Bulgarian).

Kolarov, K. "About the Holditch's Theorem", 12th Spring Conference of the Union of Bulgarian Mathematicians, Sunny Beach, Bulgaria, 1983.