Publications
Refereed Publications
- Kamranian, B. and Cheng, H. "Event-based Looming Objects Detection."
International Conference
on Systems, Signals and Image Processing (IWSSIP 2021),
2021. (PDF)
- Akbari, M., Liang, J., and Cheng, H. "A real-time system for online
learning-based visual transcription of piano music." Multimedia Tools and
Applications (2018). (link)
- Ridwan, I. and Cheng, H. "An Event-based Optical Flow Algorithm for
Dynamic Vision Sensors." Image Analysis and Recognition (ICIAR 2017).
Lecture Notes in Computer Science, vol 10317. Springer, 2017.
(PDF)
- Akbari, M. and Cheng, H. "Real-Time Piano Music Transcription Based
On Computer Vision." IEEE Transactions on Multimedia, 17(12), pages
2113-2121, December 2015. (PDF)
- Cheng, H. and Lerner, C. "Bit Allocation for Lossy Image Set
Compression." 2015 IEEE Pacific Rim Conference on Communications,
Computers and Signal Processing (PACRIM 2015), 2015. (PDF)
- Akbari, M. and Cheng, H. "claVision: Visual Automatic Piano Music
Transcription." New Interfaces for Musical Expression (NIME) 2015.
(PDF)
- Lerner, C. and Cheng, H. "Rate-Distortion Approach to Bit
Allocation in Lossy Image Set Compression." International Conference
on Systems, Signals and Image Processing (IWSSIP 2014),
2014. (PDF)
- Ranger, J., Wang, F. and Cheng, H. "Optical Character Recognition
of Printed Mathematical Symbols using a Hierarchical Classifier."
Proceedings of the 2012 International Conference on Image Processing,
Computer Vision, & Pattern Recognition (IPCV'12), 2012. (PDF)
- Ranger, J. and Cheng, H. "Structural Similarity As a Prediction
Metric in Lossy Image Set Compression." Proceedings of the 2012
International Conference on Image Processing, Computer Vision, &
Pattern Recognition (IPCV'12), 2012. (PDF)
- Cheng, H. and Martin, C. "Evaluation of Modular Algorithms for
High-precision Evaluation of Hypergeometric Constants." Computational
Mathematics, Computational Geometry & Statistics (CMCGS 2012), 2012.
(PDF)
- Trivedi, V. and Cheng, H. "Lossless Compression of Satellite Image
Sets Using Spatial Area Overlap Compensation." Image Analysis and Recognition,
Part II, 2011, pages 243-252, 2011.
(PDF)
-
Moreau, M. and Cheng, H. "Wavelet-based Prediction Measures for Lossy Image
Set Compression." Proceedings of the 2010 International
Conference on Image Processing, Computer Vision, & Pattern Recognition
(IPCV'10), 2010.
(PDF)
-
Cheng, H. and Labahn, G. "A Practical Implementation of a Modular Algorithm
for Ore Polynomial Matrices". Asian Symposium on Computer Mathematics, 2009.
(PDF)
-
Schmieder, A., Cheng, H., Li, X.
"A Study of Clustering Algorithms and Validity for Lossy Image Set Compression."
Proceedings of the 2009 International
Conference on Image Processing, Computer Vision, & Pattern Recognition
(IPCV'09), pages 501-506, 2009.
(PDF)
-
Schmieder, A., Cheng, H., Gergel, B., Li, X.
"Hierarchical Minimum Spanning Trees for Lossy Image Set Compression."
Proceedings of the 2008 International
Conference on Image Processing, Computer Vision, & Pattern Recognition
(IPCV'08), pages 57-63, 2008.
(PDF)
-
Gergel, B., Schmieder, A., Li, X., Cheng, H.
"A Study of Prediction Measures for Lossy Image Set Compression."
Proceedings of the 2008 International
Conference on Image Processing, Computer Vision, & Pattern Recognition
(IPCV'08), pages 69-74, 2008.
(PDF)
-
Davies, P., Cheng, H., Labahn, G.
"Computing Popov Form of General Ore Polynomial Matrices."
Milestones in Computer Algebra (MICA) 2008, pages 149-156, 2008.
(PDF)
-
Cheng, H., Hanrot, G., Thomé, E., Zima, E., Zimmermann, P.
"Time- and Space-Efficient Evaluation of Some Hypergeometric Constants."
Proc. ISSAC 2007, pages 85-91, 2007.
(PDF)
- Cheng, H. and Labahn, G. "Modular Computation for
Matrices of Ore Polynomials." Computer Algebra 2006: Latest Advances
in Symbolic Algorithms, pages 43-66, 2007.
(PDF)
- Cheng, H. and Labahn, G. "Output-sensitive Modular Algorithms for
Polynomial Matrix Normal Forms." Journal of Symbolic
Computation, 42(7), pages 733-750, 2007. (PDF)
- Gergel, B., Cheng, H., Nielsen, C. and Li, X. "A Unified Framework
for Image Set Compression." Proceedings of the 2006 International
Conference on Image Processing, Computer Vision, & Pattern Recognition
(IPCV'06), pages 417-423, 2006.
(PDF)
- Cheng, H. and Labahn, G. "On Computing Polynomial GCDs in Alternate
Basis." Proc. ISSAC 2006, pages 47-54, 2006.
(PDF)
- Gergel, B., Cheng, H. and Li, X. "A Unified Framework for Lossless
Image Set Compression." Data Compression Conference 2006, page 448, 2006.
(PDF)
- Beckermann, B., Cheng, H. and Labahn, G. "Fraction-free Row Reduction
of Matrices of Ore Polynomials." Journal of Symbolic
Computation, 41(5), pages 513-543, 2006.
(PDF)
-
Cheng, H., Gergel, B., Kim, E. and Zima, E. "Space-Efficient Evaluation
of Hypergeometric Series." SIGSAM Bulletin/Communications in
Computer Algebra, 39(2), pages 41-52, 2005.
(PDF)
-
Beckermann, B., Cheng, H. and Labahn, G. "Fraction-free Row Reduction of
Matrices of Skew Polynomials." Proc. ISSAC 2002, pages 8-15, 2002.
(Gzipped Postscript)
-
Cheng, H. and Labahn, G. Computing All Factorizations in
ZN[x]. Proc. ISSAC 2001, pages 64-71, 2001.
(Gzipped Postscript)
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Cheng, H. and Zima, E. On Accelerated Methods to Evaluate Sums of
Products of Rational Numbers. Proc. ISSAC 2000, pages 54-61, 2000.
(Gzipped Postscript)
-
Cheng, H. and Li, X. Partial Encryption of Compressed Images and
Videos. IEEE Transactions on Signal Processing, 48(8), pages
2439-2451, 2000. (Gzipped Postscript)
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Modayil, J., Cheng, H. and Li, X. An Improved Piecewise Approximation
Algorithm for Image Compression. Pattern Recognition, 31(8), pages
1179-1190, 1998. (PDF)
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Li, X., Knipe, J., and Cheng, H. Image Compression and Encryption
using Tree Structures. Pattern Recognition Letters, 18(11-13), pages
1253-1259, 1997. (PDF)
-
Modayil, J., Cheng, H. and Li, X. Experiments In Simple
One-Dimensional Lossy Image Compression Schemes. Proceedings of the
IEEE International Conference on Multimedia Computing and Systems,
June 3-6, pages 614-615, 1997. (Gzipped
Postscript)
-
Cheng, H. and Li, X. "On The Application of Image Decomposition to
Image Compression and Encryption." Communications and Multimedia
Security II: Proceedings of the IFIP TC6/TC11 International Conference on
Communications and Multimedia Security at Essen, Germany, 23rd - 24th
September 1996, pages 116-127, 1996. (Gzipped
Postscript)
Other Publications
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Schmieder, A., Gergel, B., Cheng, H. and Li, X. "Hierarchical
Minimum Spanning Trees for Lossy Image Set Compression"
University of Lethbridge Technical Report TR-CS-HC2-07, September 2007.
(PDF)
-
Davies, P., Cheng, H. and Labahn, G. "Computing Popov Form of General
Ore Polynomial Matrices." University of Lethbridge Technical Report
TR-CS-HC1-07,
September 2007. (PDF)
-
Cheng, H., Hanrot, G., Thomé, E., Zima, E., Zimmermann, P.
"Time- and Space-Efficient Evaluation of Some Hypergeometric Constants."
INRIA Research Report RR-6105, January 2007.
(PDF)
-
Davies, P. and Cheng, H. "Computing Popov Form of Ore Polynomial
Matrices." University of Lethbridge Technical Report TR-CS-HC1-06,
September 2006. (PDF)
-
Cheng, H., Gergel, B., Kim, E. and Zima, E. "Space-Efficient Evaluation
of Hypergeometric Series." University of Lethbridge Technical Report
TR-CS-04-04, September 2004. (PDF)
-
Beckermann, B., Cheng, H. and Labahn, G. "Fraction-free Row Reduction
of Matrices of Ore Polynomials." University of Waterloo Technical
Report CS-2002-37, November 2002.
(Postscript)
-
My PhD thesis, titled "Algorithms for Normal Forms for Matrices of
Polynomials and Ore Polynomials", is available for download.
(Gzipped Postscript)
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Cheng, H. and Labahn, G. "A Modular Greatest Common Divisor Algorithm for
Matrix Polynomials." University of Waterloo Technical Report CS-2002-04,
January 2002. (Compressed Postscript)
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Beckermann, B., Cheng, H. and Labahn, G. "Fraction-free Row Reduction of
Matrices of Skew Polynomials." University of Waterloo Technical Report
CS-2002-05, January 2002. (Compressed Postscript)
-
My MSc thesis, titled "Partial Encryption for Image and Video
Communication", is available for download.
(Gzipped Postscript)
Howard Cheng