Publications et contributions à la recherche

Plusieurs de ces articles sont disponibles sur espace2.etsmtl.ca/
Articles dans des revues avec comité de lecture
F. Golaghazadeh, S. Coulombe, F.-X Coudoux, P. Corlay, "Checksum-Filtered List Deconding Applied to H.264 and H.265 Video Error Correction," accepté dans IEEE Transactions on Circuits and Systems for Video Technologies, mars 2017.
H. Louafi, S. Coulombe, U. Chandra, "Robust QoE-aware Prediction-based Dynamic Content Adaptation Framwork Applied to Slides Documents in Mobile Web Conferencing" in the Multimedia Tools and Applications (Springer), vol. 74 no.18 pp 7883-7920, septembre 2015.
F. Caron, S. Coulombe, "Video Error Correction Using Soft-Output and Hard-Output Maximum Likelihood Decoding Applied to H.264 Baseline Profile," dans IEEE Transactions on Circuits and Systems for Video Technologies, vol.25, no7, pp.1161-1174, juillet 2015.
H. Louafi, S. Coulombe, M. Cheriet, “Multi-Objective Optimization in Dynamic Content Adaptation of Slide Documents,” à paraître dans IEEE Transactions on Services Computing, 2015.
S. Pigeon and S. Coulombe, “Quality-aware predictor-based adaptation of still images for the multimedia messaging service”, Multimedia Tools and Applications (Springer), vol. 72, no. 2, pp. 1841–1865, Sept. 2014.
G. Chen, S. Coulombe, “A New Image Registration Method Robust to Noise”, dans Multidimensional Systems and Signal Processing (Springer), vol. 25, no 3, pp. 601-609, juillet 2014.
H. Louafi, S. Coulombe, U. Chandra, “Quality Prediction-Based Dynamic Content Adaptation Framework Applied to Collaborative Mobile Presentations”, dans IEEE Transactions on Mobile Computing, vol.12, no.10, pp.2024-2036, oct. 2013.
G. Chen, S. Coulombe, “An Image Visual Quality Assessment Method Based on SIFT Features", dans the Journal of Pattern Recognition Research, pp. 85-97, sept. 2013
S. Rezazadeh, S. Coulombe, “A Novel discrete wavelet transform framework for full reference image quality assessment”, dans Signal, Image and Video processing (Springer), vol. 7, no 3, pp. 559-573, mai 2013.
S. Pigeon, S. Coulombe, “K-Means Based Prediction of Transcoded JPEG File Size and Structural Similarity”, dans the International Journal of Multimedia Data Engineering and Management (IJMDEM), vol. 3, no. 2, pp. 41-57, avril-juin 2012
S. Rezazadeh, S. Coulombe, “A novel discrete wavelet domain error-based image quality metric with enhanced perceptual performance”, dans the International Journal of Computer and Electrical Engineering vol. 4, no. 3, pp. 390-395, juin 2012. http://www.ijcee.org/list-44-1.html  
S.Coulombe, S. Pigeon, "Low-Complexity Transcoding of JPEG Images with Near-Optimal Quality Using a Predictive Quality Factor and Scaling Parameters", dans IEEE Transactions on Image Processing, vol. 19, issue 3, pp. 712-721, mars 2010.
S. Coulombe, G. Grassel, "Multimedia adaptation for the Multimedia Messaging Service", dans IEEE Communications Magazine, vol. 42, no. 7, pp.120-126, juil. 2004.
S. Coulombe, E. Dubois, "Nonuniform perfect reconstruction filter banks over lattices with application to transmultiplexers", dans IEEE Transactions on Signal Processing, vol. 47, no. 4, pp. 1010-1023, avr. 1999.
S. Coulombe, E. Dubois, "Linear phase and symmetries for multidimensional FIR filters over lattices", dans IEEE Transactions on Circuits and Systems II, vol. 45, no. 4, pp 473-481, avr. 1998.
Articles soumis à des revues avec comité de lecture
L. Trudeau, S. Coulombe, C. Desrosiers, "Cost-Based Search Ordering for Rate-Constrained Motion Estimation Applied to HEVC," accepté avec révisions mineures dans IEEE Transactions on Circuits and Systems for Video Technologies, janvier 2017.
L. Trudeau, S. Coulombe, C. Desrosiers, "Multi-Level Rate-Constrained Succcessive Elimination Algorithm Tailored to suboptimal Motion Estimation in HEVC," soumis à IEEE Transactions on Circuits and Systems for Video Technologies, septembre 2016.
J.-F. Franche, S. Coulombe, "Fast H.264-to-HEVC Transcoding Based on Motion Propagation and Post-Order Trasversal of Coding tree Units," soumis à IEEE Transactions on Circuits and Systems for Video Technologies, novembre 2016.
Articles dans des comptes rendus de conférences avec comité de lecture
E. Hojati, J.-F. Franche, S. Coulombe, C. Vázquez, “Massively Parallel Rate-Constrained Motion Estimation using Multiple Temporal Predictors in HEVC,” accepté à the 2017 IEEE International Conference on Multimedia and Expo (ICME 2017).
M. Jamali, S. Coulombe, “Coding Unit Splitting Early Termination for Fast HEVC Intra Coding Based on Global and Directional Gradients,” dans the 2016 IEEE Workshop on Multimedia Signal Processing (MMSP 2016), septembre  2016.
L. Trudeau, S. Coulombe, C. Desrosiers, “Sub-Partition Reuse for Fast Optimal Motion Estimation in HEVC Successive Elimination Algorithms,” dans IEEE International Conference on Image Processing 2016 (ICIP 2016), pp. 2003-2007, septembre  2016.
M. Jamali, S. Coulombe, “RDO Cost Modeling for Low-Complexity HEVC Intra Coding,” dans the 29th Annual IEEE Canadian Conference on Electrical and Computer Engineering (CCECE 2016), mai 2016.
M. Kharboutly, C. Vazquez, S. Coulombe, J. A. de Guise, “Geometrically constrained sub-pixel disparity estimation from stereo images of the retinal fundus,” accepté dans IS&T International Symposium on Electronic Imaging 2016 in the Stereoscopic Displays and Applications Conference, 2016.
L. Trudeau, S. Coulombe, C. Desrosiers, “An adaptive search ordering for rate-constrained successive elimination algorithms,” accepté dans the 2015 IEEE International Conference on Image Processing (ICIP 2015), sept. 2015.
J.-F. Franche, S. Coulombe, “Fast H.264 to HEVC transcoder based on post-order traversal of quadtree structure,” accepté dans the 2015 IEEE International Conference on Image Processing (ICIP 2015), sept. 2015.
M. Jamali, S. Coulombe, F. Caron, “Fast mode decision HEVC intra based on edge detection and SATD costs classification,” dans Data Compression Conference (DCC) 2015, pp. 43-52, avril 2015.
F. Golaghazadeh, S. Coulombe, F. Labeau and F. Caron, “Performance evaluation of maximum likelihood decoding combined with error resilient video coding”, accepté dans the 2014 IEEE Symposium on Industrial Electronics & Applications (ISIEA2014), sept. 2014.
L. Trudeau, S. Coulombe, C. Desrosiers, “Rate Distortion-Based Motion Estimation Search Ordering For Rate-Constrained Successive Elimination Algorithms”, accepté dans the 2014 IEEE International Conference on Image Processing (ICIP 2014), pp. 3175-3179, oct. 2014.
D. Joset, S. Coulombe, “Visual Quality and File Size Prediction of H.264 Videos and its Application to Video Transcoding for the Multimedia Messaging Service and Video on Demand”, dans the 2013 IEEE International Symposium on Multimedia (ISM 2013), pp. 321-328, déc. 2013.
F. Caron, S. Coulombe, “A Maximum Likelihood Approach to Correcting Transmission Errors for Joint Source-Channel Decoding of H.264 Coded Video”, dans International Conference on Image Processing (ICIP) 2013, pp. 1870-1874, sept. 2013.
H. Louafi, S. Coulombe, U. Chandra, “Efficient Near-Optimal Dynamic Content Adaptation Applied to JPEG Slides Presentations in Mobile Web Conferencing”, accepté dans the 27th IEEE International Conference on Advanced Information Networking and Applications (AINA-2013), pp. 724-731, mars 2013.
F. Caron, S. Coulombe, “A Maximum Likelihood Approach to Video Error Correction Applied to H.264 Decoding”, dans the 6th International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST 2012), pp. 1-6, sept. 2012. (Prix du meilleur article)
H. Layachi, S. Coulombe, “Novel Video Transcoding System to Efficiently Realize Combinations of Use Cases”, regular research paper dans the 16th International Conference on Image Processing, Computer Vision, & Pattern Recognition (IPCV'12), pp. 85-91, juil. 2012.
G. Chen, S. Coulombe, “An FFT-Based Visual Quality Metric Robust to Spatial Shift”, dans the 11th International Conference on Information Sciences, Signal Processing and their Applications (ISSPA2012), pp. 372-276, juil. 2012.
G. Chen, T.D. Bui, A. Krzyzak, S. Coulombe, “Adaptive video denoising using block matching 3-D filtering”, dans IEEE Canadian Conference on Electrical and Computer Engineering (CCECE) 2012, pp. 1-4, avr. 2012.
J.-F. Franche, S. Coulombe, “A Multi-Frame and Multi-Slice H.264 Parallel Video Encoding Approach with Simultaneous Encoding of Prediction Frames”, dans the 2012 International Conference on Consumer Electronics, Communications and Networks (CECNet). pp. 3034-3038, avr. 2012.
S. Pigeon, S. Coulombe, “Efficient Clustering-based Algorithm for Predicting File Size and Structural Similarity of Transcoded JPEG Images”, dans IEEE International Symposium on Multimedia, pp. 137-142, déc. 2011.
S. Pigeon, S. Coulombe, “Optimal quality-aware predictor-based adaptation of multimedia messages”, dans the 6th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS'2011), pp. 496-499, sept. 2011.
L. Trudeau, S. Coulombe, S. Pigeon “Pixel Domain Referenceless Visual Degradation Detection and Error Concealment for Mobile Video”, dans the 2011 IEEE International Conference on Image Processing (ICIP 2011), pp.2229-2232, Sep. 2011.
S. Rezazadeh, S. Coulombe, “A novel discrete wavelet domain error-based image quality metric with enhanced perceptual performance”, dans 2011 International Conference on Signal Acquisition and Processing (ICSAP 2011), vol I, pp. 357-362, Singapore, févr. 2011.
S. Pigeon, S. Coulombe, "Exploiting Motion Estimation Resilience to Approximate Metrics on SIMD Processors", dans the 25th IEEE Queen’s University Biennial Symposium on Communications, pp. 18-23, Kingston, mai 2010.
S. Rezazadeh, S. Coulombe, "Low-complexity computation of visual information fidelity in the discrete wavelet domain", dans IEEE 35th International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 2438-2441, mars 2010.
S. Rezazadeh, S. Coulombe, "A Novel Approach for Computing and Pooling Structural Similarity Index in the Discrete Wavelet Domain", dans Image Processing, 2009. ICIP 2009. 16th IEEE International Conference on, pp. 2209-2212, 7-10 nov. 2009.
S. Pigeon, S. Coulombe, "Speeding Up Motion Estimation in Modern Video Encoders Using Approximate Metrics and SIMD Processors", dans Industrial Electronics & Applications, 2009. ISIEA 2009. IEEE Symposium on, vol.1, pp.233-238, 4-6 oct. 2009.
I. Metoevi, S. Coulombe, "Efficient MPEG-4 to H.264 Transcoding Exploiting MPEG-4 Block Modes, Motion Vectors and Residuals", dans Communications and Information Technology, 2009. ISCIT 2009. 9th International Symposium on, pp.224-229, 28-30 sept. 2009.
S. Coulombe, S. Pigeon, "Quality-aware selection of quality factor and scaling parameters in JPEG image transcoding", dans IEEE Computational Intelligence for Multimedia Signal and Vision Processing (CIMSVP 2009), pp. 68-74, avr. 2009.
S. Coulombe, "Real-time Multi-user Transcoding For Push To Talk Over Cellular", dans Next Generation Mobile Applications, Services and Technologies, 2008. NGMAST '08. The 2008 International Conference on, pp.351-356, 16-19 sept. 2008.
S. Pigeon, S. Coulombe, "Computationally efficient algorithms for predicting the file size of JPEG images subject to changes of quality factor and scaling", dans 24th Biennial Symposium on Communications, pp.378 - 382, 24-26 juin 2008.
S. Pigeon, S. Coulombe, "Very low cost algorithms for predicting the file size of JPEG images subject to changes of quality factor and scaling", dans Data Compression Conference 2008, pp. 538, 25-27 Mars 2008 (Snowbird, UT, USA, 25-27 mars 2008).
F. Caron, S. Coulombe, T. Wu, "A Transcoding Server for the Home Domain", dans IEEE International Conference on Portable Information Devices, 2007. PORTABLE07, pp.1-5, 25-29, mai 2007.
S. Coulombe et E. Dubois, "Theory and design of multidimensional two-channel near-perfect reconstruction modulated filter banks", dans Proc. IEEE Int. Conf. On Acoust., Speech, and Signal Process.,vol.4, pp.3033-3036, Munich, avr. 1997.
S. Coulombe et E. Dubois, "Compatible NTSC system with crosstalk -free multiplexing of luminance and chrominance", dans Proc. SPIE: Visual Communications and Image Processing 97, San Jose, California, pp. 1188-1199, févr. 1997.
S. Coulombe et E. Dubois, "Multidimensional windows over arbitrary lattices and their application to FIR filter design", dans Proc. IEEE Int. Conf. On Acoust., Speech, and Signal Process., Atlanta, pp. 2385-2388, mai 1996.
S. Coulombe et E. Dubois, "Transmultiplexing of multidimensional signals over arbitrary lattices with perfect reconstruction", dans Proc. IEEE Int. Conf. On Acoust., Speech, and Signal Process., Detroit, pp. 2137-2140, mai 1995.
Articles soumis à des conférences avec comité de lecture
 
Articles dans des revues sans comité de lecture
P. Ahammad, S. Coulombe, “Digital Image Watermarking: Beyond the invisible”, dvance 2002, no.1: Nokia Technology Magazine, janv. 2002. Nokia confidentiel.
Articles dans des comptes rendus de conférence sans comité de lecture
S. Coulombe, G. Grassel et P. Pessi, "Message Adaptation Technologies for SIP Instant Messaging", Nokia Exchange of Research and Development for Business Opportunities (NERD), Helsinki, oct. 7-11, 2002. Nokia confidentiel.
S. Coulombe, G. Grassel, "Adaptive Multimedia Demonstrator", Nokia Exchange of Research and Development for Business Opportunities (NERD), Helsinki, nov. 20-21, 2000. Nokia confidentiel.
Chapitres de livres
S. Pigeon, S. Coulombe, “Optimal quality-aware predictor-based adaptation of multimedia messages”, à paraître dans Digital Image, Signal, and Data processing, Richard Duro, ed., Rivers Pub. 2012.
S. Coulombe, O. Koskimies, G. Grassel, "Content adaptation for the Mobile Internet" chapitre de "Content Delivery in Mobile/Wireless Internet" (Sudhir Dixit, Tao Wu), publication John Wiley & Sons, 2004.
S. Coulombe, G. Grassel, P. Hjort, "Multimedia Messaging – The evolution of SMS to MMS", chapitre de "Mobile Internet Technical Architecture - Technologies and Standardization", 520 pages, IT Press, ISBN 951-826-668-9, 2002.
S. Coulombe, G. Grassel, J. Ridge, section "SIP Instant Message Adaptation" in chapter "Presence and Messaging – Implementing SIMPLE", chapitre de "Mobile Internet Technical Architecture – Visions and Implementations", 510 pages, IT Press, ISBN 951-826-670-0, 2002.
J. Ridge, S. Coulombe, G. Grassel, "Multimedia Content Adaptation for the Mobile Internet" chapitre de "Mobile Internet Technical Architecture - Visions and Implementations", 510 pages, IT Press, ISBN 951-826-670-0, 2002.
Présentations (conférencier invité)
S. Coulombe, “Transcodage rapide de H.264 à HEVC basé sur la propagation du mouvement et une traversée postfixe des unités de codage arborescent”, conférencier invité à l'Université de Valenciennes, France, 1 décembre 2016.
S. Coulombe, “Métriques de qualité visuelle à haute exactitude et à faible complexité de calcul”, conférencier invité à l'Université du Québec en Outaouais, Gatineau, 4 avril 2013.
S. Coulombe, “Current issues in video coding, transcoding and transport”, conférencier invité à C3S2E'11: Fourth International C* Conference on Computer Science & Software Engineering, Montréal, 15-19 mai 2011.
S. Coulombe, “Adaptation et transcodage multimédia pour les applications mobiles”, conférencier invité au Colloque Systèmes et technologies de communications: enjeux et défis, 74e Congrès de l’ACFAS, Montréal, 15-19 mai 2006.
S. Coulombe, “Multimedia Adaptation and transcoding for mobile applications”, présentation dans le cadre de Interfaces Montréal à la Société des Arts Technologiques (SAT), 29 nov. 2005.
S. Coulombe, “Multimedia Adaptation and transcoding for mobile applications”, présentation dans le cadre des séminaires VIVA de l’École d'ingénierie et de technologie de l'information de l’Université d’Ottawa, 2 juil. 2005.
Brevets accordés
S. Coulombe, “Multi-users real-time transcoding system and method for multimedia sessions,” brevet israélien No 192326, accordé le mois de juillet 2016.
S. Rezazadeh, S. Coulombe, “Method and system for determining a quality measure for an image using multi-level decomposition of images,” brevet israélien No 220737, accordé le mois de juillet 2016.
S. Coulombe, S. Rezazadeh, “Method and system for increasing robustness of visual quality metrics using spatial shifting,” brevet israélien No 227984, accordé le 1er juillet 2016.
H. Layachi, S. Coulombe, “Method and system for selectively performing multiple video transcoding operations” brevet canadien No 2752080, accordé le 14 juin 2016.
S. Rezazadeh, S. Coulombe, “Method and system for determining a quality measure for an image using multi-level decomposition of images,” brevet chinois No
ZL 201080063472.1, accordé le 18 mai  2016.
S. Coulombe, S. Rezazadeh, “Method and system for increasing robustness of visual quality metrics using spatial shifting,” brevet japonais No 5928753, accordé le 13 mai 2016.
S. Coulombe, S. Rezazadeh, “Method and system for increasing robustness of visual quality metrics using spatial shifting,”  brevet chinois No ZL201280021486.6, accordé le 11 mai 2016.
S. Coulombe, “System and Method for Optimizing a Communication Session Between Multiple Terminals Involving Transcoding Operations,” brevet US No 9,356,987, accordé le mois de mai 2016. 
D. Joset, S. Coulombe, M. E. Beshai, “Method and apparatus for signal encoding producing encoded signals of high fidelity at minimal sizes,” brevet US No 9,338,450, accordé le mois de mai 2016.
J.-F. Franche, S. Coulombe, “Method and system for parallel encoding of a video,” brevet US No 9,247,264, accordé le mois de janvier 2016.
I. Metoevi, S. Coulombe, “Method and system for efficient video transcoding using coding modes, motion vectors and residual information,” brevet US No 9,100,656, accordé le mois d’août 2015.
S. Coulombe, I. Metoevi,"Method and system for generating block mode conversion table for efficient video transcoding" brevet canadien No 2746829, accordé le 7 juillet 2015.
S. Pigeon, J.F. Franche, S. Coulombe, "System and method for predicting the file size of images subject to transformation by scaling and a change of quality-controlling parameters" brevet canadien No 2706251, accordé le 30 juin 2015.
S. Coulombe, “Multi-users real-time transcoding system and method for multimedia sessions,” brevet japonais No 5749375, accordé le 22 mai 2015.
S. Coulombe, S. Rezazadeh, “Method and system for increasing robustness of visual quality metrics using spatial shifting,” brevet US No. 8,983,206, accordé le 17 mars 2015.
S. Coulombe, "Improvement in video rate control compliant with video coding standards". brevet japonais JP 5676705 B2, accordé le 25 février 2015.
G. Chen, S. Coulombe, "Image registration method and system robust to noise" brevet américain US No. 8,958,659, accordé le 17 février 2015.
G. Chen, S. Coulombe, “Methods and systems for processing a first image with reference to a second image,” brevet US No. 8,942,512, accordé le 27 jan. 2015.
S. Coulombe, S.Pigeon, "Method and system for low complexity transcoding of images with near-optimal quality" brevet coréen KR 1483137 B1, accordé le 9 janvier 2015.
S. Coulombe, S. Pigeon, J.-F. Franche, "System and method for quality-aware selection of parameters in transcoding of digital images", brevet Coreen No 1459395, accordé le 3 novembre 2014.
S. Pigeon, "Method and system for determing a metric for comparing image blocks in motion compensated video coding", brevet Coreen No 1459397, accordé le 3 novembre 2014.
S. Pigeon, "Method and system for determining a metric for comparing image blocks in motion compensated video coding", brevet canadien No 2723910, accordé le 30 septembre 2014.
S. Pigeon, "Method and system for determining a metric for comparing image blocks in motion compensated video coding", brevet US No 8,831,101, accordé le 9 septembre 2014.
S. Coulombe, F. Labonté, "A buffer-based rate control exploiting frame complexity, buffer level and position of intra in video coding", brevet US No 8,824,546, accordé le 2 septembre 2014.
S. Rezazadeh, S. Coulombe, "Method and system for determining a quality measure for an image using multi-level decomposition of images", brevet canadien No 2783879, accordé le 22 juillet 2014.
H. Layachi, S. Coulombe, "Method and system for selectively performing multiple video transcoding operations", brevet US No 8,755,438, accordé le 17 juin 2014.
S. Rezazadeh, S. Coulombe, "Method and system for determining a quality measure for an image using multi-level decomposition of images" brevet japonais No. 5510688, accordé le 4 avril 2014.
S. Coulombe, S. Pigeon, J.-F. Franche, “System and method for quality-aware selection of parameters in transcoding of digital images”, brevet US No. 8,666,183, accordé le 4 mars 2014.
S. Coulombe, S. Pigeon, “Method and system for low complexity transcoding of images with near-optimal quality”, brevet US No. 8,660,339, accordé le 25 fév. 2014.
S. Rezazadeh, S. Coulombe, "Method and system for determining a quality measure for an image using a variable number of multi-level decompositions'" brevé US No. 8,660,363, accordé le 25 février 2014.
S. Coulombe, S. Pigeon, J.-F. Franche, “System and method for quality-aware selection of parameters in transcoding of digital images,” brevé US No. 8,559,739, accordé le 15 octobre 2013.
S. Coulombe, S. Pigeon, J.-F. Franche, “System and method for quality-aware selection of parameters in transcoding of digital images”, brevet japonais No 5391465, accordé le 15 octobre 2013.
S. Rezazadeh, S. Coulombe, “Method and system for determining structural similarity between images”, brevet US No 8,532,396, accordé le 10 septembre 2013.
S. Rezazadeh, S. Coulombe, “Method and system for determining a quality measure for an image using multi-level decomposition of images”, brevet US No. 8,515,182, accordé le 20 août 2013.
S. Rezazadeh, S. Coulombe, "Method and system for determininig a quality measure for an image using a variable number of multi-level decompositions," brevet US No. 8,515,181, accordé le 20 août 2013.
I. Metoevi, S. Coulombe, “Methods and systems for efficient video transcoding”, brevet US No. 8,494,056, accordé le 24 juil. 2013.
I. Metoevi, S. Coulombe, “Method and system for generating block mode conversion table for efficient video transcoding”, brevet US No. 8,411,756, accordé le 2 avr. 2013.
S. Pigeon, J.-F. Franche, S. Coulombe, “System and method for predicting the file size of images subject to transformation by scaling and a change of quality-controlling parameters”, brevet japonais No 5176175, accordé le 18 janvier 2013. 
S. Rezazadeh, S. Coulombe, “Method and system for determining structural similarity between images”, brevet US No. 8,326,046, accordé le 4 déc. 2012.
S. Coulombe, S. Pigeon, “Method and system for low complexity transcoding of images with near-optimal quality”, brevet US No. 8,300,961, accordé le 30 oct. 2012.
S. Coulombe, S. Pigeon, J.-F. Franche, “Method and system for generating a quality prediction table for quality-aware transcoding of digital images”, brevet US No. 8,295,624, accordé le 23 oct. 2012.
S. Coulombe, “Multi-users real-time transcoding system and method for multimedia sessions”, brevet US No. 8,285,316 (continuation), accordé le 9 oct. 2012.
S. Coulombe, S. Pigeon, J.-F. Franche, “System and method for quality-aware selection of parameters in transcoding of digital images”, brevet US No. 8,270,739, accordé le 18 sept. 2012.
S. Coulombe, "Multi-users real-time transcoding system and method for multimedia sessions," brevet chinois No. ZL 200680053567-9, accordé le 18 juillet 2012.
S. Pigeon, J.-F. Franche, S. Coulombe, “System and method for predicting the file size of images subject to transformation by scaling and a change of quality-controlling parameters”, brevet US No. 8,224,104, accordé le 17 juil. 2012.
S. Coulombe, “An improved video rate control for video coding standards”, brevet chinois No. ZL 200780051251.0, accordé le 30 mai 2012.
S. Pigeon, J.-F. Franche, S. Coulombe, “System and method for predicting the file size of images subject to transformation by scaling and a change of quality-controlling parameters,” brevet chinois No ZL200780101390, accordé le 23 mai 2012. 
S. Coulombe, S. Pigeon, J.-F. Franche, “System and method for quality-aware selection of parameters in transcoding of digital images”, brevet japonais No 4994500, accordé le 18 mai 2012.
S. Coulombe, "Multi-users real-time transcoding system and method for multimedia sessions" brevet canadien No 2633398, accordé le 28 février 2012. 
S. Coulombe, "Multi-users real-time transcoding system and method for multimedia sessions", brevet US No. 8,019,371, accordé le 13 sept. 2011.
S. Coulombe, G. Grassel, F. Ware, S. Chitturi, "Dynamic probing and reporting of bit rate information,” brevet européen No. 1,407,376, accordé le 31 mars 2010.
P. Pessi, S. Coulombe, "System and Method for conveying terminal capability and user preferences-dependent content characteristics for content adaptation", brevet US No. 7,685,315, accordé le 23 mars 2010.
J. Ridge, S. Coulombe, "Apparatus, and associated method, for altering the resolution of a digital image,” brevet chinois No. 100517373, accordé le 22 juil., 2009.
S. Coulombe, G. Grassel, F. Ware, S. Chitturi, "Dynamic probing and reporting of bit rate information,” brevet chinois No. 100492980, accordé le 27 mai, 2009.
S. Coulombe, G. Grassel, "Method and apparatus for transcoding content with permissible operations authorized by content creator", brevet US No. 7,213,072, accordé le 1er mai 2007.
J. Ridge, S. Coulombe, "Apparatus, and associated method, for altering the resolution of a digital image", brevet Coréen No. 629310, accordé le 21 sept. 2006.
S. Coulombe, "System for rendering multimedia messages by providing, in a multimedia message, URL for downloadable software to a receiving terminal", brevet US No. 7,103,681, accordé le 5 sept. 2006.
S. Coulombe, G. Grassel, F. Ware, S. Chitturi, "Dynamic Probing And Reporting Of Bit Rate Information", brevet US No. 7,043,560, accordé le 9 mai 2006.
R. Castagno, S. Coulombe, "Method for providing a terminal with coded still image signals, communications system, network element and module", brevet US No. 7,016,543, accordé le 21 mars 2006.
J. Ridge, S. Coulombe, "Apparatus, and associated method, for altering the resolution of a digital image", brevet US No. 6,738,534, accordé le 18 mai 2004.
Demandes de brevets (publiés seulement)
I. Metoevi, S. Coulombe, “Method and system for efficient video transcoding using coding modes, motion vectors and residual information”, demande de brevet US 13/555,172, juil. 2012.
S. Coulombe, S. Rezazadeh, “Method and system for increasing robustness of visual quality metrics using spatial shifting”, demande de brevet US 13/463,733, mai 2012.
J.-F. Franche, S. Coulombe, “A multiframes and multislices parallel video encoding system with simultaneous encoding of predicted frames”, demande de brevet US 13/309,298, déc. 2011.
H. Layachi, S. Coulombe, “A unified video transcoding system for selectively performing multiple video transcoding operations”, demande de brevet US 13/226,332, nov. 2010.
S. Coulombe, F. Labonté, "A buffer-based rate control exploiting frame complexity, buffer level and position of intra frames in video coding", PCT/CA2008/001168, juin 2008.
S. Coulombe, "Methods, systems and computer program products for expressing classes of adaptation and classes of content in media transcoding", PCT/IB2005/001769, juin 2004.
S. Coulombe, U. Chandra, "Media adaptation determination for wireless terminals", US 2005/0165913, janv. 2004.
S. Coulombe, U. Chandra, "System and method for adaptation of peer-to-peer multimedia sessions", PCT/IB2004/002854, sept. 2003.
S. Coulombe, "A system for adaptation of SIP messages based on recipient's terminal capabilities and preferences", PCT/IB2003/001948, mai 2002.
Autres brevets dans le cadre de mes projets de recherche
S. Pigeon, “Method and system for determining a metric for comparing image blocks in motion compensated video coding”, brevet US No. 8,831,101, accordé le 9 sept. 2014.
Thèse de doctorat
S. Coulombe, "Transmultiplexage multidimensionnel à reconstruction parfaite et son application aux systèmes de télévision améliorés", thèse de doctorat, INRS-Télécommunications, Université du Québec, juil. 1996.
Thèses, mémoires et projets d'application supervisés
A. Cotoros-Petrulian, "Macroblock level rate and distortion estimation applied to the computation of the lagrange multiplier in H.264 compression”, mémoire de maîtrise (M.Sc.A.), École de technologie supérieure, mars 2014.
L. Poudrier-Racette, "Codage vidéo basse complexité sans perte de qualité visuelle supportant les résolutions HD sur le DSP asynchrone OPUS d'Octasic”, mémoire de maîtrise (M.Sc.A.), École de technologie supérieure, Feb. 2014.
F. Caron, "A maximum likelihood approach to video error correction applied to H.264 decoding”, thèse de doctorat (Ph.D.), École de technologie supérieure, oct. 2013.
S. Rezazadeh, "Low-complexity high prediction accuracy visual quality metrics and their applications in H.264/AVC encoding mode decision process”, thèse de doctorat (Ph.D.), École de technologie supérieure, oct. 2013.
H. Louafi, "A prediction-based dynamic content adaptation framework for enterprise documents applied to collaborative mobile web conferencing”, thèse de doctorat (Ph.D.), École de technologie supérieure, oct. 2013.
D. Joset, "Adaptation de fichiers vidéo sous contraintes de taille et de résolution”, projet de maîtrise (M.Sc.A), École de technologie supérieure, déc. 2012.
S. Catudal, "Méthodologie parallèle hybride appliquée au décodage H.264/MPEG-4 AVC supportant la résolution HD sur un processeur DSP asynchrone multicoeurs”, mémoire de  mémoire de maîtrise (M.Sc.A.), École de technologie supérieure, août 2012.
I. Metoevi, "Transcodage efficace de MPEG-4 partie 2 à H.264 basé sur les modes de codage, les vecteurs de mouvement et l’information résiduelle de la source vidéo MPEG-4 partie 2”, thèse de doctorat (Ph.D.), École de technologie supérieure, déc. 2011.
L. Trudeau, "Détection et dissimulation de la détérioration visuelle issue du décodage de séquences H.264 corrompues”, mémoire de maîtrise (M.Ing.), École de technologie supérieure, mai 2011.
J.-F. Franche,  "Optimisation d’algorithmes de codage vidéo sur des plateformes à plusieurs processeurs parallèles", mémoire de maîtrise (M.Ing.), École de technologie supérieure, janv. 2011.
H. Layahi, "Système unifié de transcodage vidéo permettant la réalisation d’une combinaison d’opérations de transcodage", mémoire de maîtrise (M.Ing.), École de technologie supérieure, sept. 2010.
Mohamed Taib-Benisse, "Transmission média sur les réseaux IP en utilisant les protocoles SIP et IAX", mémoire de maîtrise (M.Ing), École de technologie supérieure, avr. 2008.
A. Dang, "Module Accès Contrôle Média (ACM) du système SynchroMédia", projet de maîtrise (M.Ing), École de technologie supérieure, juil. 2009.
F. Chouinard, "Étude d’impact du transcodage de messages multimédias pour le sans-fil", projet d'intégration maîtrise en gestion de l'ingénierie, Université de Sherbrooke, avr. 2005.