Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Roumiana Kountcheva"'
Publikováno v:
INISTA
The paper presents a new technique for archiving and protecting content of visual medical information. A special format is developed based on a new Inverse Pyramid decomposition. The images are archived with the highest quality but their restoration
Autor:
Roumiana Kountcheva, Roumen Kountchev
Publikováno v:
The 7th International Conference on Information Technology.
This work is devoted to one new approach for decomposition of images represented by matrices of size 2 n 2 n , based on the multiple application of the Singular Value Decomposition (SVD) over image blocks of relatively small size (22), obtained
Autor:
Roumen Kountchev, Roumiana Kountcheva, Vladimir Todorov, Stuart H. Rubin, Mariofanna Milanova
Publikováno v:
IRI
In the paper a new method is presented for digital content protection based on watermark data insertion in the image transform domain. For this, the still digital image is transformed using Complex Hadamard Transform (CHT), and the watermark data is
Publikováno v:
International Series in Operations Research & Management Science ISBN: 9781441901750
The new method for digital image watermarking , presented in this chapter, could be used for intellectual property right protection of digital still images of any kind (natural, scanned documents, computer graphics, etc.). The method is suitable for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f891a1f688cdf5d9a405ec484d14f56
https://doi.org/10.1007/978-1-4419-0176-7_16
https://doi.org/10.1007/978-1-4419-0176-7_16
Publikováno v:
International Journal of Reasoning-based Intelligent Systems. 1:43
A new approach for efficient archiving and content protection of scanned documents, comprising texts and pictures, is presented in this paper. The offered approach presumes to compress the pictures and the texts in different way: the pictures – wit
Publikováno v:
Scopus-Elsevier
IRI
IRI
A new approach for audio watermarking in the phase-frequency domain is presented, based on the inverse difference decomposition (IDD) with complex Hadamard transform (CHT). The main advantages of the method, compared with others based on the discrete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95ee38b0dff39f5fd387932144bf8af4
http://www.scopus.com/inward/record.url?eid=2-s2.0-16244412650&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-16244412650&partnerID=MN8TOARS