Zobrazeno 1 - 10
of 51
pro vyhledávání: '"R.E. Van Dyck"'
Autor:
S. Mahapakulchai, R.E. Van Dyck
Publikováno v:
IEEE Transactions on Communications. 52:1033-1037
We propose a trellis-coded modulation system using continuous-phase frequency-shift keying (CPFSK) and ring convolutional codes for transmitting the bits generated by an embedded zerotree wavelet encoder. Improved performance is achieved by using max
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4108d63ff650fd63574490bfee5b100b
https://doi.org/10.1109/tcomm.2004.831382
https://doi.org/10.1109/tcomm.2004.831382
Publikováno v:
Wireless Networks. 9:201-211
The emergence of several radio technologies, such as Bluetooth and IEEE 802.11, operating in the 2.4 GHz unlicensed ISM frequency band, may lead to signal interference and result in significant performance degradation when devices are colocated in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b2c136ae3e0d8c87ce7042a96ccdf36
https://doi.org/10.1023/a:1022821110023
https://doi.org/10.1023/a:1022821110023
Publikováno v:
IEEE Transactions on Image Processing. 11:77-88
Access to multimedia data has become much easier due to the rapid growth of the Internet. While this is usually considered an improvement of everyday life, it also makes unauthorized copying and distributing of multimedia data much easier, therefore
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76d5491239686fb38cd5c6980e19ff33
https://doi.org/10.1109/83.982816
https://doi.org/10.1109/83.982816
Publikováno v:
IEEE Transactions on Circuits and Systems for Video Technology. 11:1022-1034
A novel robust image coding and adaptive packetization algorithm suitable for very low-bit-rate transport is suggested. This algorithm can be applied to any zerotree-based encoder, such as the embedded zerotree wavelet coder of Shapiro (1993) and set
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79d4bced8d5101b25b1afcd08d11bd09
https://doi.org/10.1109/76.946519
https://doi.org/10.1109/76.946519
Autor:
R.E. Van Dyck
Publikováno v:
IEEE Journal on Selected Areas in Communications. 18:1087-1098
In this paper, we develop an error resilient variant of the MPEG-4 embedded zerotree wavelet coder, suitable for mobile fading channels. The residual redundancy in the compressed bit stream provides implicit error protection through the use of source
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99eb7cd00c32ff02ee52af00b1e3d8cd
https://doi.org/10.1109/49.848258
https://doi.org/10.1109/49.848258
Autor:
R.E. Van Dyck, David J. Miller
Publikováno v:
Proceedings of the IEEE. 87:1734-1750
The transmission of video over time-varying wireless communication channels can benefit from the use of joint source-channel (JSC) coding methods. We survey relevant research in JSC code design and discuss how this work can be used for video compress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b25ddd54fdecaecce029272be03622e2
https://doi.org/10.1109/5.790634
https://doi.org/10.1109/5.790634
Autor:
H.V. Ganti, R.E. Van Dyck
Publikováno v:
Signal Processing: Image Communication. 12:135-145
In this paper, an error resilient, wavelet-based compression algorithm is studied for the transmission of images and video over severely band-limited, mobile wireless communications channels. An ATM-based transport layer is designed and then used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f3b9a9ee80cdff8a34db041c6a56dc5
https://doi.org/10.1016/s0923-5965(96)00061-6
https://doi.org/10.1016/s0923-5965(96)00061-6
Publikováno v:
IEEE Transactions on Circuits and Systems for Video Technology. 6:483-495
A subband decomposition using wavelet filters has become an effective basis for image compression. The use of a ladder structure for the subband filtering provides a fast implementation and allows the system to be useful at video rates. A system is p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa51a6a9c06db2af98f03f78c895ab22
https://doi.org/10.1109/76.538930
https://doi.org/10.1109/76.538930
Publikováno v:
Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144).
During recent years, digital watermarking has drawn a lot of attention as a means to protect the copyright of image data. Numerous algorithms have been proposed in different domains. Particularly, a set of these algorithms embed the watermark informa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e57aab35a859d4d562b21fd23488c681
https://doi.org/10.1109/mwscas.2000.951407
https://doi.org/10.1109/mwscas.2000.951407
Publikováno v:
Proceedings., IEEE Workshop on Speech Coding for Telecommunications.
The transmission of compressed audio and video data over ATM packet networks is quickly becoming a practical way to implement a multimedia teleconferencing system. To reduce the required bit rate of the combined audio/video sequence to that of basic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bb8bdfb74807061ff5ea15032f086ec
https://doi.org/10.1109/scft.1993.762348
https://doi.org/10.1109/scft.1993.762348