default search action
Google
Google Scholar
Semantic Scholar
Internet Archive Scholar
CiteSeerX
ORCIDRoumen Kountchev
Person information
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
2020 – today
- 2023
[j18]Roumen Kountchev, Rumen P. Mironov, Roumiana Kountcheva:
Analysis of the Recursive Locally-Adaptive Filtration of 3D Tensor Images. Symmetry 15(8): 1493 (2023)- 2022
- [j17]Roumen K. Kountchev, Rumen P. Mironov, Roumiana A. Kountcheva:
Third-Order Tensor Decorrelation Based on 3D FO-HKLT with Adaptive Directional Vectorization. Symmetry 14(5): 854 (2022) - [j16]Roumiana A. Kountcheva, Rumen P. Mironov, Roumen K. Kountchev:
MLTSP: New 3D Framework, Based on the Multilayer Tensor Spectrum Pyramid. Symmetry 14(9): 1909 (2022) - [j15]Roumen Kountchev
, Alexander Bekiarski, Rumen P. Mironov, Snezhana Pleshkova:
A Method for Local Contrast Enhancement of Endoscopic Images Based on Color Tensor Transformation into a Matrix of Color Vectors' Modules Using a Sliding Window. Symmetry 14(12): 2582 (2022) - [c25]Roumen Kountchev, Roumiana Kountcheva:
Decorrelation of a Sequence of Color Images Through Hierarchical Adaptive Color KLT. KES-IDT 2022: 333-346 - 2020
- [j14]Roumen K. Kountchev, Rumen P. Mironov, Roumiana A. Kountcheva:
Hierarchical Cubical Tensor Decomposition through Low Complexity Orthogonal Transforms. Symmetry 12(5): 864 (2020) - [j13]Roumen Kountchev, Rumen P. Mironov, Roumiana Kountcheva:
Complexity Estimation of Cubical Tensor Represented through 3D Frequency-Ordered Hierarchical KLT. Symmetry 12(10): 1605 (2020) - [j12]Roumen K. Kountchev, Barna László Iantovics, Roumiana A. Kountcheva:
Hierarchical third-order tensor decomposition through inverse difference pyramid based on the three-dimensional Walsh-Hadamard transform with applications in data mining. WIREs Data Mining Knowl. Discov. 10(2) (2020)
2010 – 2019
- 2019
- [j11]László Barna Iantovics, Roumen Kountchev, Gloria Cerasela Crisan:
ExtrIntDetect - A New Universal Method for the Identification of Intelligent Cooperative Multiagent Systems with Extreme Intelligence. Symmetry 11(9): 1123 (2019) - 2016
- [c24]Roumen Kountchev, Suzan Anwar, Roumiana Kountcheva, Mariofanna G. Milanova:
Face Recognition in Home Security System Using Tensor Decomposition Based on Radix-(2 × 2) Hierarchical SVD. MPRSS 2016: 48-59 - [p12]Roumen Kountchev, Roumiana Kountcheva:
New Approaches for Hierarchical Image Decomposition, Based on IDP, SVD, PCA and KPCA. New Approaches in Intelligent Image Analysis 2016: 1-58 - [p11]Vladimir Kanchev, Roumen Kountchev:
Tissue Segmentation Methods Using 2D Histogram Matching in a Sequence of MR Brain Images. New Approaches in Intelligent Image Analysis 2016: 183-222 - [e4]Kazumi Nakamatsu, Roumen Kountchev:
New Approaches in Intelligent Control - Techniques, Methodologies and Applications. Intelligent Systems Reference Library 107, Springer 2016, ISBN 978-3-319-32166-0 [contents] - [e3]Roumen Kountchev, Kazumi Nakamatsu:
New Approaches in Intelligent Image Analysis - Techniques, Methodologies and Applications. Intelligent Systems Reference Library 108, Springer 2016, ISBN 978-3-319-32190-5 [contents] - 2015
- [j10]Roumen Kountchev, Stuart H. Rubin, Mariofanna G. Milanova, Roumiana Kountcheva:
Comparison of Image Decompositions Through Inverse Difference and Laplacian Pyramids. Int. J. Multim. Data Eng. Manag. 6(1): 19-38 (2015) - [j9]Roumen K. Kountchev, Roumiana A. Kountcheva:
Hierarchical SVD-based image decomposition with tree structure. Int. J. Reason. based Intell. Syst. 7(1/2): 114-129 (2015) - [c23]Roumen Kountchev, Mariofanna G. Milanova, Roumiana Kountcheva:
Content protection and hierarchical access control in image databases. INISTA 2015: 1-6 - 2014
- [j8]Roumen Kountchev, Kazumi Nakamatsu:
Adaptive multi-level 2D Karhunen-Loeve-based transform for still images. Int. J. Reason. based Intell. Syst. 6(1/2): 49-58 (2014) - [p10]Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
New Format for Coding of Single and Sequences of Medical Images. Advanced Intelligent Computational Technologies and Decision Support Systems 2014: 19-30 - [p9]Veska M. Georgieva, Roumen Kountchev, Ivo R. Draganov:
An Adaptive Approach for Noise Reduction in Sequences of CT Images. Advanced Intelligent Computational Technologies and Decision Support Systems 2014: 43-52 - [p8]Ivo R. Draganov, Roumen Kountchev, Veska M. Georgieva:
Compression of CT Images with Branched Inverse Pyramidal Decomposition. Advanced Intelligent Computational Technologies and Decision Support Systems 2014: 71-81 - [e2]Barna Iantovics, Roumen Kountchev:
Advanced Intelligent Computational Technologies and Decision Support Systems. Studies in Computational Intelligence 486, Springer 2014, ISBN 978-3-319-00466-2 [contents] - 2013
- [j7]Petar N. Ivanov, Roumen Kountchev:
Hierarchical principal component analysis-based transformation of multispectral images. Int. J. Reason. based Intell. Syst. 5(4): 260-273 (2013) - [c22]Roumen Kountchev, Mariofanna G. Milanova, Stuart Harvey Rubin, Roumiana Kountcheva:
Comparison of the structure and the computational complexity of the inverse difference and Laplacian Pyramids for still image decomposition. IRI 2013: 602-609 - [p7]Roumen Kountchev, Peter Ivanov:
Decorrelation of Sequences of Medical CT Images Based on the Hierarchical Adaptive KLT. Advances in Intelligent Analysis of Medical Data and Decision Support Systems 2013: 41-55 - [p6]Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
Compression with Adaptive Speckle Suppression for Ultrasound Medical Images. Advances in Intelligent Analysis of Medical Data and Decision Support Systems 2013: 57-68 - [p5]Veska M. Georgieva, Roumen Kountchev, Ivo R. Draganov:
An Adaptive Enhancement of X-Ray Images. Advances in Intelligent Analysis of Medical Data and Decision Support Systems 2013: 79-88 - [p4]Ivo R. Draganov, Roumen Kountchev, Veska M. Georgieva:
Medical Images Transform by Multistage PCA-Based Algorithm. Advances in Intelligent Analysis of Medical Data and Decision Support Systems 2013: 89-100 - [p3]Rumen P. Mironov, Roumen Kountchev:
Architecture for Medical Image Processing. Advances in Intelligent Analysis of Medical Data and Decision Support Systems 2013: 225-234 - [e1]Roumen Kountchev, Barna Iantovics:
Advances in Intelligent Analysis of Medical Data and Decision Support Systems. Studies in Computational Intelligence 473, Springer 2013, ISBN 978-3-319-00028-2 [contents] - 2012
- [j6]Stuart Harvey Rubin, Roumen Kountchev, Mariofanna G. Milanova, Roumiana Kountcheva:
Multispectral Image Compression, Intelligent Analysis, and Hierarchical Search in Image Databases. Int. J. Multim. Data Eng. Manag. 3(4): 1-30 (2012) - [j5]Rumen P. Mironov, Roumen Kountchev:
Complex Hadamard transform of digital signals: properties and applications. Int. J. Reason. based Intell. Syst. 4(1/2): 3-16 (2012) - [c21]Stuart Harvey Rubin, Roumen Kountchev, Mariofanna G. Milanova, Roumiana Kountcheva:
Intelligent processing and analysis of groups of multispectral images. IRI 2012: 165-172 - [c20]Roumen Kountchev, Kazumi Nakamatsu:
One Approach for Grayscale Image Decorrelation with Adaptive Multi-level 2D KLT. KES 2012: 1303-1312 - 2011
- [j4]Roumen Kountchev, Stuart H. Rubin, Vladimir Todorov, Roumiana Kountcheva:
Automatic detection of welding defects. Int. J. Reason. based Intell. Syst. 3(1): 34-43 (2011) - [j3]Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
Compression of multispectral and multi-view images with inverse pyramid decomposition. Int. J. Reason. based Intell. Syst. 3(2): 124-131 (2011) - [c19]Volkan H. Bagci, Mariofanna G. Milanova, Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov:
Object and Scene Recognition Using Color Descriptors and Adaptive Color KLT. HCI (12) 2011: 355-363 - [c18]Roumen Kountchev, Stuart Harvey Rubin, Mariofanna G. Milanova, Roumiana Kountcheva:
Invariant object description with inverse pyramid based on the truncated modified discrete Mellin-Fourier transform. IRI 2011: 360-365 - 2010
- [c17]Roumen Kountchev, Stuart Harvey Rubin, Mariofanna G. Milanova, Vladimir Todorov, Roumiana Kountcheva:
Resistant image watermarking in the phases of the Complex Hadamard Transform coefficients. IRI 2010: 159-164 - [c16]Kazumi Nakamatsu, Jair Minoro Abe, Seiki Akama, Roumen Kountchev:
Introduction to Intelligent Elevator Control Based on EVALPSN. KES (3) 2010: 133-142 - [c15]Roumen Kountchev, Kazumi Nakamatsu:
Compression of Multispectral Images with Inverse Pyramid Decomposition. KES (3) 2010: 215-224
2000 – 2009
- 2009
- [j2]Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
Efficient archiving of documents with protection of their authentic content. Int. J. Reason. based Intell. Syst. 1(1/2): 43-55 (2009) - [c14]Mariofanna G. Milanova, Roumen Kountchev, Stuart Harvey Rubin, Vladimir Todorov, Roumiana Kountcheva:
Content Based Image Retrieval Using Adaptive Inverse Pyramid Representation. HCI (9) 2009: 304-314 - [c13]Roumen Kountchev, Stuart Harvey Rubin, Mariofanna G. Milanova, Vladimir Todorov, Roumiana Kountcheva:
Intra-frame Compression of Video Sequences with Inverse Difference Pyramid Decomposition. IRI 2009: 218-223 - 2008
- [c12]Valeriy Cherkashyn, Roumen Kountchev, Dong-Chen He:
Image Decomposition on the basis of an Inverse Pyramid with 3-layer Neural Networks. SCSS (1) 2008: 445-450 - [c11]Mariofanna G. Milanova, Stuart Harvey Rubin, Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
Combined visual attention model for video sequences. ICPR 2008: 1-4 - [c10]Roumen Kountchev, Stuart Harvey Rubin, Mariofanna G. Milanova, Vladimir Todorov, Roumiana Kountcheva:
Extraction of objects contours for body language study. IRI 2008: 220-225 - [p2]Roumen Kountchev, Roumiana Kountcheva:
Image Representation with Reduced Spectrum Pyramid. New Directions in Intelligent Interactive Multimedia 2008: 275-284 - 2007
- [c9]Roumen Kountchev, Mariofanna G. Milanova, Vladimir Todorov, Roumiana Kountcheva:
Enhancement of the Visual Quality of Scanned Documents. IRI 2007: 367-372 - [c8]Roumen Kountchev, Stuart Harvey Rubin, Mariofanna G. Milanova, Vladimir Todorov:
Image Multi-Layer Search Based on Spectrum Pyramid. IRI 2007: 436-440 - 2006
- [c7]Stuart Harvey Rubin, Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva:
Contrast enhancement with histogram-adaptive image segmentation. IRI 2006: 602-607 - 2005
- [p1]Roumen Kountchev, Mariofanna G. Milanova, Charles Ford, Roumiana Kountcheva:
Multi-layer Image Transmission with Inverse Pyramidal Decomposition. Computational Intelligence for Modelling and Prediction 2005: 179-196 - 2004
- [c6]Roumen Kountchev, Mariofanna G. Milanova, Charles Ford, Stuart Harvey Rubin, Roumiana Kountcheva:
Lossless Image Compression with IDP and Adaptive RLC. CISST 2004: 608-612 - [c5]Roumen Kountchev, Mariofanna G. Milanova, Charles Ford, Stuart Harvey Rubin, Roumiana Kountcheva:
Audio Watermarking Based On Inverse Difference Decomposition. IRI 2004: 180-185 - 2003
- [c4]Roumen Kountchev, Mariofanna G. Milanova, Charles Ford, Stuart Harvey Rubin:
Multimedia Watermarking with Complex Hadamard Transform in the Inverse Pyramid Decomposition. IRI 2003: 305-310 - [c3]Mariofanna G. Milanova, Charles Ford, Roumen Kountchev, Roumiana Kountcheva:
Digital Watermarking for Medical Images. METMBS 2003: 509-520 - 2002
- [j1]Roumen Kountchev, Véronique Haese-Coat, Joseph Ronsin:
Inverse pyramidal decomposition with multiple DCT. Signal Process. Image Commun. 17(2): 201-218 (2002) - [c2]Mariofanna G. Milanova, Charles Ford, Roumen Kountchev, Roumiana Kountcheva:
Fast Image Transfer with Adaptive Multi-Layer Image Compression. FSKD 2002: 192-196
1990 – 1999
- 1992
- [c1]Mariofanna G. Milanova, I. A. Aleksandrov, Roumen Kountchev:
Recovering and CAD/CAM Processing of Complex Surfaces. ECAI 1992: 824-825
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from 
to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the 
of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from 
, 
, and 
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from 
.
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-07-20 21:19 CEST by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint
dblp was originally created in 1993 at:
since 2018, dblp has been operated and maintained by:
the dblp computer science bibliography is funded and supported by:
