Papers in Conference Proceedings  [50] 

- HoangVan , X.; Ascenso, J.; Pereira, F.; "Designing an HEVC Based Scalable Video Coding Extension", Proc Conf. on Telecommunications - ConfTele, Castele Branco, Portugal, Vol. 1, pp. 1 - 4, May, 2013.
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- Souza, de Souza, D.F.; Ascenso, J.; Rodrigues, Nuno M. M. ; Faria, S.M.M.; Pereira, F.; "Improving H.264/AVC Video Coding with Geometric Transforms", Proc Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013.
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- D. S. Shah; Ascenso, J.; Brites , C.; Pereira, F.; "Studying Platelet-Based Depth Map Coding", Proc Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013.
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- D. Shah; Ascenso, J.; Brites , C.; Pereira, F.; "Evaluating Multi-View Plus Depth Coding Solutions for 3D Video Scenarios", Proc IEEE EUSIPCO 3DTV-Conf.: The True Vision - Capture, Transmission and Display of 3D Video - 3DTV, Zurich, Switzerland, Vol. -, pp. - - -, October, 2012.
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- HoangVan , X.; Ascenso, J.; Pereira, F.; "Improving Predictive Video Coding Performance with Decoder Side Information", Proc IEEE International Conf. on Image Processing - ICIP, Florida, United States, Vol. 1, pp. 1 - 4, October, 2012.
Abstract | Full text (PDF 158KB) | BibTex

- G. Barreira; Ascenso, J.; "Impact of the IEEE 802.11n Frame Aggregation Mechanisms on Video Streaming Quality", Proc IEEE International Conf. on Software, Telecommunications and Computer Networks - SoftCOM, Split, Croatia, Vol. -, pp. - - -, September, 2012.
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- Ascenso, J.; H. C. Cruz; P. D. Dias; "Packet-header Based No-Reference Quality Metrics for H.264/AVC Video Transmission", Proc International Conf. on Telecommunications and Multimedia (Temu), Heraklion, Greece, Vol. -, pp. - - -, July, 2012.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Learning based Decoding Approach for Improved Wyner-Ziv Video Coding", Proc Picture Coding Symp., Kraków, Poland, Vol. -, pp. 165 - 168, May, 2012.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Structural based Side Information Creation with Improved Matching Criteria for Wyner-Ziv Video Coding", Proc Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Dublin, Ireland, Vol. -, pp. - - -, May, 2012.
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- HoangVan , X.; Ascenso, J.; Pereira, F.; "Improved B-slice Direct Mode Coding using Motion Side Information", Proc Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Dublin, Ireland, Vol. 13, pp. 1 - 4, March, 2012.
Abstract | Full text (PDF 141KB) | BibTex

- Ascenso, J.; Brites , C.; Pereira, F.; "Augmented LDPC Graph for Distributed Video Coding with Multiple Side Information", Proc IEEE Workshop on MultiMedia Signal Processing - MMSP, Hangzhou, China, Vol. -, pp. - - -, October, 2011.
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- Ascenso, J.; Brites , C.; Pereira, F.; "A Denoising Approach for Iterative Side Information Creation in Distributed Video Coding", Proc IEEE International Conf. on Image Processing - ICIP, Brussels, Belgium, Vol. -, pp. - - -, September, 2011.
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- M. Naccari; Brites , C.; Ascenso, J.; Pereira, F.; "Low complexity deblocking filter perceptual optimization for the HEVC codec", Proc IEEE International Conf. on Image Processing - ICIP, Brussels, Belgium, Vol. 1, pp. 1 - 4, September, 2011.
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- Ascenso, J.; Brites , C.; F.D. Dufaux; W. Fernando; T.E. Ebrahimi; Pereira, F.; S. Tubaro; "The VISNET II DVC codec: architecture, tools and performance", Proc European Signal Processing Conf. - EUSIPCO, Aalborg, Denmark, Vol. -, pp. - - -, August, 2010.
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- Ascenso, J.; Brites , C.; Pereira, F.; "Compression efficiency analysis of Wyner-Ziv video coding with motion compensated side information interpolation", Proc SPIE Conf. on Visual Information Processing and Communication , San Jose, United States, Vol. -, pp. - - -, January, 2010.
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- Ascenso, J.; Pereira, F.; "Complexity efficient stopping criterion for LDPC based distributed video coding", Proc International Mobile Multimedia Communications Conf. - Mobimedia, London, United Kingdom, Vol. -, pp. - - -, September, 2009.
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- Ascenso, J.; Pereira, F.; "Low complexity intra mode selection for efficient distributed video coding", Proc IEEE International Conf. on Multimedia and Expo - ICME, New York, United States, Vol. -, pp. - - -, July, 2009.
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- X. Huang; Brites , C.; Ascenso, J.; Pereira, F.; S. Forchhammer; "Distributed video coding with multiple side information", Proc Picture Coding Symp., Chicago, United States, Vol. -, pp. - - -, May, 2009.
Abstract | Full text (PDF 241KB) | BibTex

- Ascenso, J.; Brites , C.; Pereira, F.; "Design and performance of a novel Low-Density Parity-Check code for distributed video coding", Proc IEEE International Conf. on Image Processing - ICIP, San Diego, United States, Vol. -, pp. - - -, October, 2008.
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- J. Areia; Ascenso, J.; Brites , C.; Pereira, F.; "Low complexity hybrid rate control for lower complexity Wyner-Ziv video decoding", Proc European Signal Processing Conf. - EUSIPCO, Lausanne, Switzerland, Vol. -, pp. - - -, August, 2008.
Abstract | Full text (PDF 151KB) | BibTex

- Ascenso, J.; M. Jakubowski; G. Pastuszak; "Constant Bitrate Control for a Distributed Video Coding System", Proc International Conf. on Signal Processing and Multimedia Applications, Porto, Portugal, Vol. -, pp. - - -, July, 2008.
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- Pereira, F.; Brites , C.; Ascenso, J.; M. Tagliasacchi; "Wyner-Ziv Video Coding: A Review of the Early Architectures and Further Developments", Proc IEEE International Conf. on Multimedia and Expo - ICME, Hannover, Germany, Vol. -, pp. - - -, June, 2008.
Abstract | Full text (PDF 279KB) | BibTex

- Ascenso, J.; Pereira, F.; "Hierarchical motion estimation for side information creation in Wyner-Ziv video coding", Proc International Conf. on Ubiquitous Information Management and Communication - ICUIMC, Suwon, Korea, South, Vol. -, pp. - - -, January, 2008.
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- Pereira, F.; Ascenso, J.; Brites , C.; "Studying the GOP size impact on the performance of a feedback channel-based Wyner-Ziv video codec", Proc IEEE Pacific-Rim Symp. on Image and Video Technology - PSIVT, Santiago, Chile, Vol. -, pp. - - -, December, 2007.
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- J. Pedro ; Soares, L. D.; Brites , C.; Ascenso, J.; Pereira, F.; C.B. Bandeirinha; S.Y. Ye; F.D. Dufaux; T.E. Ebrahimi; "Studying Error Resilience Performance for a Feedback Channel Based Transform Domain", Proc Picture Coding Symp., Lisbon, Portugal, Vol. --, pp. -- - --, November, 2007.
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- X. A. Artigas; Ascenso, J.; M. Dalai; D.K. Kubasov; M.O. Ouaret; "The DISCOVER codec: Architecture, Techniques and Evaluation", Proc Picture Coding Symp., Lisbon, Portugal, Vol. -, pp. - - -, November, 2007.
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- J. Areia; Brites , C.; Ascenso, J.; Pereira, F.; "Wyner-Ziv stereo video coding using a side information fusion approach", Proc International Workshop on Multimedia Signal Processing , Chania, Greece, Vol. -, pp. - - -, October, 2007.
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- Ascenso, J.; Pereira, F.; "Adaptive hash based side information exploitation for efficient Wyner-Ziv video coding", Proc IEEE International Conf. on Image Processing - ICIP, San Antonio, United States, Vol. -, pp. - - -, September, 2007.
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- J. Pedro ; Brites , C.; Ascenso, J.; Pereira, F.; "Studying the Feedback Channel in Transform Domain Wyner-Ziv Video Coding", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. -, pp. - - -, May, 2007.
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- Ascenso, J.; Brites , C.; Pereira, F.; "Content Adaptive Wyner-Ziv Video Coding Driven by Motion Activity", Proc IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006.
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- M. Tagliasacchi; A. Trapanese; S. Tubaro; Ascenso, J.; Brites , C.; Pereira, F.; "Exploiting Spatial Redundancy in Pixel Domain Wyner-Ziv Video Coding", Proc IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006.
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- E. Martinian; A. Vetro; Ascenso, J.; A. Khisti; D. Malioutov; "Hybrid Distributed Video Coding Using SCA Codes", Proc IEEE Workshop on MultiMedia Signal Processing - MMSP, Victoria, Canada, Vol. -, pp. - - -, October, 2006.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Studying Temporal Correlation Noise Modeling for Pixel Based Wyner-Ziv Video Coding", Proc IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Feedback Channel in Pixel Domain Wyner-Ziv Video Coding: Myths and Realities", Proc European Signal Processing Conf. - EUSIPCO, Florence, Italy, Vol. -, pp. - - -, September, 2006.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Improving Transform Domain Wyner-Ziv Video Coding Performance", Proc IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toulouse, France, Vol. -, pp. - - -, May, 2006.
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- M. Tagliasacchi; A. Trapanese; S. Tubaro; Ascenso, J.; Brites , C.; Pereira, F.; "Intra Mode Decision Based on Spatio-Temporal Cues In Pixel Domain Wyner-Ziv Video Coding", Proc IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toulouse, France, Vol. -, pp. - - -, May, 2006.
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- Brites , C.; Ascenso, J.; Pereira, F.; "Modeling Correlation Noise Statistics at Decoder for Pixel Based Wyner-Ziv Video Coding", Proc Picture Coding Symp., Beijing, China, Vol. -, pp. - - -, April, 2006.
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- A. Trapanese; M. Tagliasacchi; S. Tubaro; Ascenso, J.; Brites , C.; Pereira, F.; "Embedding a Block-based Intra Mode in Frame-based Pixel Domain Wyner-Ziv Video Coding", Proc International Workshop on Very Low Bitrate Video, Sardinia, Italy, Vol. -, pp. - - -, September, 2005.
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- L. P. Natário; Brites , C.; Ascenso, J.; Pereira, F.; "Extrapolating side information for low-delay pixel-domain distributed video coding", Proc International Workshop on Very Low Bitrate Video, Costa del Rey, Italy, Vol. -, pp. - - -, September, 2005.
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- A. Trapanese; M. Tagliasacchi; S. Tubaro; Ascenso, J.; Brites , C.; Pereira, F.; "Improved Correlation Noise Statistics Modeling in Frame-based Pixel Domain Wyner-Ziv Video Coding", Proc International Workshop on Very Low Bitrate Video, Sardinia, Italy, Vol. -, pp. - - -, September, 2005.
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- Ascenso, J.; Brites , C.; Pereira, F.; "Motion Compensated Refinement for Low Complexity Pixel Based Distributed Video Coding", Proc IEEE International Conf. on Advanced Video and Signal Based Surveillance, Sardinia, Italy, Vol. -, pp. - - -, September, 2005.
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- L. P. Natário; Brites , C.; Ascenso, J.; Pereira, F.; "Side Information Extrapolation for Low-Delay Pixel-Domain Distributed Video Coding", Proc International Workshop on Very Low Bitrate Video, Sardignia, Italy, Vol. ?, pp. ? - ?, September, 2005.
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- Ascenso, J.; Brites , C.; Pereira, F.; "Improving Frame Interpolation with Spatial Motion Smoothing for Pixel Domain Distributed Video Coding", Proc Conf. on Speech and Image Processing, Multimedia Communications and Services - EURASIP, Smolenice, Slovakia, Vol. -, pp. - - -, July, 2005.
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- Pereira, F.; D.P. Palma; Ascenso, J.; "Automatic text extraction in digital video based on motion analysis", Proc International Conf. on Image Analysis and Recognition, Porto, Portugal, Vol. -, pp. - - -, October, 2004.
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- Ascenso, J.; Pereira, F.; "Drift Reduction for a H.264/AVC Fine Grain Scalability with Motion Compensation Architecture", Proc IEEE International Conf. on Image Processing - ICIP, Singapore, Singapore, Vol. , pp. - - -, October, 2004.
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- Ascenso, J.; Pereira, F.; "H.264/AVC Fine Grain Scalability Using Bitplane Coding", Proc Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Lisbon, Portugal, Vol. , pp. 0 - 0, April, 2004.
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- Ascenso, J.; A. Silva; "Agents for Digital Television", Proc International Conf. on Enterprise Information Systems, ICEIS, Setúbal, Portugal, Vol. 1, pp. 109 - 115, July, 2001.
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- Ascenso, J.; Correia, P.L.; Pereira, F.; "A Video Segmentation Toolbox with Support for User Interaction", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 88 - 93, April, 2001.
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- Ascenso, J.; Correia, P.L.; Pereira, F.; "A Face Detection Solution Integrating Automatic and User Assisted Tools", Proc Portuguese Conf. on Pattern Recognition - RecPad, Porto, Portugal, Vol. 1, pp. 109 - 116, May, 2000.
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- Ascenso, J.; Pereira, F.; "Reconhecimento Automático de Faces usando Informação de Textura e de Geometria 3D", Proc Encontro do Colégio de Electrotecnia da Ordem dos Engenheiros, Lisbon, Portugal, Vol. 1, pp. 148 - 155, May, 1999.
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