Zobrazeno 1 - 10 of 236 pro vyhledávání: '"wavelet coding"'
1
Akademický článek
Adaptive Wavelet Coding Applied in a Wireless Control System
Autor: Felipe O. S. Gama, Luiz F. Q. Silveira, Andrés O. Salazar
Publikováno v: Sensors, Vol 17, Iss 12, p 2901 (2017)
Wireless control systems can sense, control and act on the information exchanged between the wireless sensor nodes in a control loop. However, the exchanged information becomes susceptible to the degenerative effects produced by the multipath propaga
Externí odkaz: https://doaj.org/article/9c10ee6cd85f43f5a1bc9b1fbd5a92cf
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2
Effective Compression of Digital Images Using SPIHT Coding with Selective Decomposition Bands
Autor: V. Ramamurthy, V. V. Satyanarayana Tallapragada, Jaya Krishna Sunkara, B. Bhaskar Reddy
Publikováno v: Lecture Notes in Electrical Engineering ISBN: 9789811555572
Wavelet-based image coding techniques are emerged as a standard with the inception of embedded zerotree wavelet coding about two decades ago. Since then a number of variations are presented in the literature, the concept of wavelet-based image coding
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a276df9312551f9b915709824bcb82c7
https://doi.org/10.1007/978-981-15-5558-9_80
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3
Akademický článek
THE JPEG2000 STANDARD FOR MEDICAL IMAGE APPLICATIONS
Autor: ARTUR PRZELASKOWSKI
Publikováno v: TASK Quarterly, Vol 8, Iss 2 (2004)
A new standard of still image compression is characterised in the context of medical applications. Wide spectrum of JPEG2000 features is analysed with respect to its application potential to improve the performance of modern medical services (i.e. te
Externí odkaz: https://doaj.org/article/f737c5c3b9a1402db47ea54507423672
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4
Performance Evaluation of Wavelet-Coded OFDM on a 4.9 Gb/s W-Band Radio-Over-Fiber Link
Autor: L. G. d. Q. Silveira Júnior, Simon Rommel, Luiz F. Q. Silveira, Lucas Costa Pereira Cavalcante, Idelfonso Tafur Monroy, Rui Dinis
Publikováno v: Cavalcante, L C P, Rommel, S, Dinis, R, Junior, L G Q S, Silveira, L F Q & Tafur Monroy, I 2017, ' Performance Evaluation of Wavelet-Coded OFDM on a 4.9 Gbps W-Band Radio-over-Fiber Link ', Journal of Lightwave Technology, vol. 35, no. 14, pp. 2803-2809 . https://doi.org/10.1109/JLT.2017.2701358
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Future generation mobile communications running on mm-wave frequencies will require great robustness against frequency selective channels. In this paper, we evaluate the transmission performance of 4.9 Gb/s wavelet-coded orthogonal frequency division
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d33a696c7bfb78e0d10911d4820ec5a
https://doi.org/10.1109/jlt.2017.2701358
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5
Embedded Zero-Tree Wavelet Coding with Selective Decomposition Bands
Autor: V. V. Satyanarayana Tallapragada, M. V. Nagabhushanam, K. L. Narasihimhaprasad, Jaya Krishna Sunkara
Publikováno v: 2019 International Conference on Communication and Signal Processing (ICCSP).
Wavelets and its applications became widespread with the inception of embedded zerotree wavelet coding since past two decades. The wavelet transform decomposes any signal into different decomposition bands. As the level of decomposition progresses, t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd00030c66b9e0ecdf15413868844952
https://doi.org/10.1109/iccsp.2019.8698062
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6
Scalable wavelet-based coding of irregular meshes with interactive region-of-interest support
Autor: Jonas El Sayeh Khalil, Adrian Munteanu, Peter Lambert
Publikováno v: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
This paper proposes a novel functionality in wavelet-based irregular mesh coding, which is interactive region-of-interest (ROI) support. The proposed approach enables the user to define the arbitrary ROIs at the decoder side and to prioritize and dec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5efef0a9e7ebf9a31fc727809c7908e
https://biblio.ugent.be/publication/8623417
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8
Perceptual Image Coding
Autor: Hong Ren Wu, D.M. Tan
Classical transform based coders performed excellently in reducing statistical redundancies. However, reduction of statistical redundancies does not always correspond to the reduction of psychovisual redundancies. The removal of visually redundant in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d47eb9bb1ae49439e2626762dfbc3106
https://doi.org/10.1201/9781420027822-13
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