Roumen Kountchev

发表

Architecture for Medical Image Processing

Rumen Mironov, Roumen Kountchev, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

Image Watermarking Based on Pyramid Decomposition with CH Transform

Roumen Kountchev, Mariofanna Milanova, Vl. Todorov, 2009 .

Low Computational Complexity Third-Order Tensor Representation Through Inverse Spectrum Pyramid

Roumen Kountchev, Roumiana Kountcheva, 2020 .

Decorrelation of Sequences of Medical CT Images Based on the Hierarchical Adaptive KLT

Roumen Kountchev, Peter Ivanov, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

Inverse pyramidal decomposition with multiple DCT

Joseph Ronsin, Roumen Kountchev, Véronique Haese-Coat, 2002, Signal Process. Image Commun..

Image Multi-Layer Search Based on Spectrum Pyramid

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2007, 2007 IEEE International Conference on Information Reuse and Integration.

Digital Watermarking for Medical Images

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2003, METMBS.

Adaptive multi-level 2D Karhunen-Loeve-based transform for still images

Kazumi Nakamatsu, Roumen Kountchev, R. Kountchev, 2014, Int. J. Reason. based Intell. Syst..

Multiple Audio Watermarking With Spectrum Pyramid

Roumen Kountchev, Mariofanna Milanova, Roumiana Kountcheva, 2007 .

New Format for Coding of Single and Sequences of Medical Images

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2014, Advanced Intelligent Computational Technologies and Decision Support Systems.

Image Compression Based On the Inverse Difference Pyramid with BPNN

Yevgen Biletskiy, Roumen Kountchev, V. Chekashyn, 2006, ISIE 2006.

Content protection and hierarchical access control in image databases

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2015, 2015 International Symposium on Innovations in Intelligent SysTems and Applications (INISTA).

Resistant image watermarking in the phases of the Complex Hadamard Transform coefficients

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2010, 2010 IEEE International Conference on Information Reuse & Integration.

Content Based Image Retrieval Using Adaptive Inverse Pyramid Representation

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2009, HCI.

Objects Color Segmentation and RSTC-Invariant Representation using Adaptive Color KLT and Modified Mellin-Fourier Transform

Roumen Kountchev, Roumiana Kountcheva, 2011 .

Compression of CT Images with Branched Inverse Pyramidal Decomposition

Roumen Kountchev, Ivo Draganov, Veska M. Georgieva, 2014, Advanced Intelligent Computational Technologies and Decision Support Systems.

Multispectral Image Compression, Intelligent Analysis, and Hierarchical Search in Image Databases

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2012, Int. J. Multim. Data Eng. Manag..

Enhancement of the Visual Quality of Scanned Documents

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2007, 2007 IEEE International Conference on Information Reuse and Integration.

Compression with Adaptive Speckle Suppression for Ultrasound Medical Images

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

New Approaches for Hierarchical Image Decomposition, Based on IDP, SVD, PCA and KPCA

Roumen Kountchev, Roumiana Kountcheva, R. Kountchev, 2016, New Approaches in Intelligent Image Analysis.

One Approach for Grayscale Image Decorrelation with Adaptive Multi-level 2D KLT

Kazumi Nakamatsu, Roumen Kountchev, 2012, KES.

Lossless Image Compression with IDP and Adaptive RLC

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2004, CISST.

Automatic detection of welding defects

Stuart Harvey Rubin, Roumen Kountchev, Roumiana Kountcheva, 2011, Int. J. Reason. based Intell. Syst..

Compression of multispectral and multi-view images with inverse pyramid decomposition

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2011, Int. J. Reason. based Intell. Syst..

Hierarchical SVD-based image decomposition with tree structure

Roumen Kountchev, Roumiana A. Kountcheva, R. Kountchev, 2015, Int. J. Reason. based Intell. Syst..

Fast Image Transfer with Adaptive Multi-Layer Image Compression

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2002, FSKD.

Comparison of the structure and the computational complexity of the inverse difference and Laplacian Pyramids for still image decomposition

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2013, 2013 IEEE 14th International Conference on Information Reuse & Integration (IRI).

An Adaptive Enhancement of X-Ray Images

Roumen Kountchev, Ivo Draganov, Veska M. Georgieva, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

Tissue Segmentation Methods Using 2D Histogram Matching in a Sequence of MR Brain Images

Roumen Kountchev, Vladimir Kanchev, 2016, New Approaches in Intelligent Image Analysis.

Object and Scene Recognition Using Color Descriptors and Adaptive Color KLT

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2011, HCI.

Extraction of objects contours for body language study

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2008, 2008 IEEE International Conference on Information Reuse and Integration.

Truncated Hierarchical SVD for image sequences, represented as third order tensor

Roumen Kountchev, Roumiana Kountcheva, R. Kountchev, 2017, 2017 8th International Conference on Information Technology (ICIT).

Hierarchical Cubical Tensor Decomposition through Low Complexity Orthogonal Transforms

Rumen Mironov, Roumen Kountchev, Roumiana Kountcheva, 2020, Symmetry.

Face Recognition in Home Security System Using Tensor Decomposition Based on Radix-(2 × 2) Hierarchical SVD

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2016, MPRSS.

Intelligent processing and analysis of groups of multispectral images

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2012, 2012 IEEE 13th International Conference on Information Reuse & Integration (IRI).

Comparison of Image Decompositions Through Inverse Difference and Laplacian Pyramids

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2015, Int. J. Multim. Data Eng. Manag..

Intra-frame compression of video sequences with Inverse Difference Pyramid decomposition

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2009, 2009 IEEE International Conference on Information Reuse & Integration.

Introduction to Intelligent Elevator Control Based on EVALPSN

Jair Minoro Abe, Seiki Akama, Kazumi Nakamatsu, 2010, KES.

Compression of Multispectral Images with Inverse Pyramid Decomposition

Kazumi Nakamatsu, Roumen Kountchev, 2010, KES.

An Adaptive Approach for Noise Reduction in Sequences of CT Images

Roumen Kountchev, Ivo Draganov, Veska M. Georgieva, 2014, Advanced Intelligent Computational Technologies and Decision Support Systems.

Invariant object description with inverse pyramid based on the truncated modified discrete Mellin-Fourier transform

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2011, 2011 IEEE International Conference on Information Reuse & Integration.

Compression and contents protection of images, texts and graphics for distance learning applications

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2007 .

Audio watermarking based on inverse difference decomposition

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2004, Proceedings of the 2004 IEEE International Conference on Information Reuse and Integration, 2004. IRI 2004..

Recovering and CAD/CAM Processing of Complex Surfaces

Mariofanna G. Milanova, Roumen Kountchev, I. A. Aleksandrov, 1992, ECAI.

Multi-layer Image Transmission with Inverse Pyramidal Decomposition

Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, 2005, Computational Intelligence for Modelling and Prediction.

Complex Hadamard transform of digital signals: properties and applications

Rumen Mironov, Roumen Kountchev, 2012, Int. J. Reason. based Intell. Syst..

Hierarchical principal component analysis-based transformation of multispectral images

Roumen Kountchev, Petar N. Ivanov, R. Kountchev, 2013, Int. J. Reason. based Intell. Syst..

Multimedia watermarking with complex Hadamard transform in the inverse pyramid decomposition

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2003, Proceedings Fifth IEEE Workshop on Mobile Computing Systems and Applications.

Efficient archiving of documents with protection of their authentic content

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2009, Int. J. Reason. based Intell. Syst..

Image Decomposition on the basis of an Inverse Pyramid with 3-layer Neural Networks

Dong-Chen He, Roumen Kountchev, Valeriy Cherkashyn, 2008, SCSS.

Plenary lecture 2: new approach for pre-processing and efficient archiving of scanned documents

Roumen Kountchev, 2010 .

Combined visual attention model for video sequences

Stuart Harvey Rubin, Mariofanna G. Milanova, Roumen Kountchev, 2008, 2008 19th International Conference on Pattern Recognition.

Advances in Intelligent Analysis of Medical Data and Decision Support Systems

Roumen Kountchev, Barna Iantovics, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

Sliding Window Recursive HAPCA for 3D Image Decomposition

Roumen Kountchev, Roumiana Kountcheva, 2017 .

Contrast Enhancement with Histogram-Adaptive Image Segmentation

Stuart Harvey Rubin, Roumen Kountchev, Roumiana Kountcheva, 2006, 2006 IEEE International Conference on Information Reuse & Integration.

Sliding Recursive Hierarchical Adaptive PCA for 3D image processing

Roumen Kountchev, Roumiana Kountcheva, 2017, 2017 8th International Conference on Information Technology (ICIT).

Skin color segmentation using adaptive PCA and modified elliptic boundary model

Roumen Kountchev, Noha A. Hikal, 2011, 2011 International Conference on Advanced Computer Science and Information Systems.

Medical Images Transform by Multistage PCA-Based Algorithm

Roumen Kountchev, Ivo Draganov, Veska M. Georgieva, 2013, Advances in Intelligent Analysis of Medical Data and Decision Support Systems.

Image Representation with Reduced Spectrum Pyramid

Roumen Kountchev, Roumiana Kountcheva, R. Kountchev, 2008, New Directions in Intelligent Interactive Multimedia.

Comparative Analysis of the Hierarchical 3D-SVD and Reduced Inverse Tensor Pyramid in Regard to Famous 3D Orthogonal Transforms

Roumen Kountchev, Roumiana Kountcheva, 2021 .

Cognitive image representation based on spectrum pyramid decomposition

Roumen Kountchev, Stuart H. Rubin, Mariofanna Milanova, 2008 .

Fragile and resistant image watermarking based on inverse difference pyramid decomposition

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2010 .

New method for adaptive karhunen-loeve color transform

Roumen Kountchev, Roumiana Kountcheva, 2009, 2009 9th International Conference on Telecommunication in Modern Satellite, Cable, and Broadcasting Services.

Decorrelation of Multispectral Images, Based on Hierarchical Adaptive PCA

Roumen Kountchev, Roumiana Kountcheva, R. Kountchev, 2013 .

Multi-view object representation with inverse difference pyramid decomposition

Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, 2009 .

Radix-(2×2) Hierarchical SVD for multi-dimensional images

Roumen Kountchev, Roumiana Kountcheva, R. Kountchev, 2015, 2015 12th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services (TELSIKS).

Invariant Object Representation Based on Inverse Pyramidal Decomposition and Modified Mellin-Fourier Transform

Roumen Kountchev, Stuart H. Rubin, Mariofanna Milanova, 2013 .