© 2005, it - instituto de telecomunicações. Todos os direitos reservados. MMP applied to smooth images Nuno Rodrigues Danillo Graziosi Nelson Francisco.

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© 2005, it - instituto de telecomunicações. Todos os direitos reservados. MMP applied to smooth images Nuno Rodrigues Danillo Graziosi Nelson Francisco Multidimensional Multiscale Parser 1as Jornadas sobre Codificação de Imagem e Vídeo do Instituto de Telecomunicações (JCIVIT)‏ Leiria - 19/02/2009

2 MMP applied to smooth images | Leiria, 19/02/2009 MMP results for smooth images Problem : Coding Smooth Image Goal : Improve MMP's rate-distortion performance for smooth images

3 MMP applied to smooth images | Leiria, 19/02/2009 Combining MMP with Intra Prediction (MMP-I)‏ H.264 PRED

4 MMP applied to smooth images | Leiria, 19/02/2009 Combining MMP with Intra Prediction (MMP-I)

5 MMP applied to smooth images | Leiria, 19/02/2009 Combining MMP with Intra Prediction (MMP-I) References: N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “Universal Image Coding using Multiscale Recurrent Patterns and Prediction”, IEEE International Conference on Image Processing, Sept N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “Image Predictive Coding using Multiscale Recurrent Patterns”, Conference on Telecommunications - ConfTele05, April 2005 N. M. M. Rodrigues, “Multiscale Recurrent Pattern Matching Algorithms for Image and Video Coding”, Ph.D. thesis, Universidade de Coimbra, March 2009

6 MMP applied to smooth images | Leiria, 19/02/2009 Dictionary adaptation techniques (MMP-II)‏ Dictionary Segmentation Redundancy Control Additional Patterns Geometric Transformed Blocks Displaced Blocks Additive Symmetric Blocks Limiting Range for Scale Transform Norm Equalization New Deblocking Filter

7 MMP applied to smooth images | Leiria, 19/02/2009 Dictionary adaptation techniques (MMP-II)‏

8 MMP applied to smooth images | Leiria, 19/02/2009 Dictionary adaptation techniques (MMP-II)‏ References: N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “On Dictionary Adaptation for Recurrent Pattern Image Coding", IEEE Transactions on Image Processing, vol.17, no.9, pp , Sept N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “Efficient Dictionary Design for Multiscale Recurrent Patterns Image Coding", ISCAS 2006 IEEE International Symposium on Circuits and Systems, May 2006 N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “Improving Multiscale Recurrent Pattern Image Coding with Deblocking Filtering", Third International Conference, ICETE 2006, Setúbal, Portugal, August 7-10, 2006, Selected Papers Series: Vol. 9, Felipe, Joaquim; Obaidat, Mohammad S. (Eds.), ISBN: , Springer, 2008

9 MMP applied to smooth images | Leiria, 19/02/2009 New prediction modes Template Matching Least-Squares Prediction Lossless Prediction Mode

10 MMP applied to smooth images | Leiria, 19/02/2009 New prediction modes

11 MMP applied to smooth images | Leiria, 19/02/2009 New prediction modes References: N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M. Silva, “Multiscale Recurrent Pattern Predictive Image Coding with Template Matching”, Conference on Telecommunications - ConfTele07, May 2007 (submitted paper) D. B. Graziosi, N. M. M. Rodrigues, E. A. B. da Silva, S. M. M. de Faria and M. B. de Carvalho, “Improving Multiscale Recurrent Pattern Image Coding With Least- Squares Prediction Mode”, IEEE International Conference on Image Processing, Nov. 2009

12 MMP applied to smooth images | Leiria, 19/02/2009 Comparison of evolutionary steps for smooth images

13 MMP applied to smooth images | Leiria, 19/02/2009 Compound Images The previous techniques did not affect MMP’s excelent performance for non-smooth images (like text, compound and texture images) N. C. Francisco, N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria, Vitor M. M. Silva and M. J. C. S. Reis, “Multiscale Recurrent Pattern Image Coding with a Flexible Partition Scheme", IEEE International Conference on Image Processing, Oct. 2008

© 2005, it - instituto de telecomunicações. Todos os direitos reservados. MMP applied to smooth images Nuno Rodrigues Danillo Graziosi Nelson Francisco Multidimensional Multiscale Parser 1as Jornadas sobre Codificação de Imagem e Vídeo do Instituto de Telecomunicações (JCIVIT)‏ Leiria - 19/02/2009