The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Picture coding using pseudo-random noise
Abstract
In order to transmit television pictures over a digital channel, it is necessary to send a binary code which represents the intensity level at each point in the picture. For good picture quality using standard PCM transmission, at least six bits are required at each sample point, since the eye is very sensitive to the small intensity steps introduced by quantization. However, by simply adding some noise to the signal before it is quantized and subtracting the same noise at the receiver, the quantization steps can be broken up and the source rate reduced to three bits per sample. Pseudo-random number generators can be synchronized at the transmitter and receiver to provide the identical "noise" which makes the process possible. Thus, with the addition of only a small amount of equipment, the efficiency of a PCM channel can be doubled.
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Citations
Cites
(1961) · Information and Control · doi:10.1016/s0019-9958(61)80064-8 · Cited by 2,875
Handbook of Experimental Psychology.
Lanes, M. (1952) · The Journal of Nervous and Mental Disease · doi:10.1097/00005053-195202000-00008 · Cited by 1,534
Statistics of Television Signals
Kretzmer, E. R. (1952) · Bell System Technical Journal · doi:10.1002/j.1538-7305.1952.tb01404.x · Cited by 220
Experiments with linear prediction in television
Harrison, C. W. (1952) · Bell System Technical Journal · doi:10.1002/j.1538-7305.1952.tb01405.x · Cited by 117
The measurement of third order probability distributions of television signals
Schreiber, W. F. (1956) · IEEE Transactions on Information Theory · doi:10.1109/tit.1956.1056811 · Cited by 49
Cited by
Gray, R. M., & Neuhoff, D. L. (1998) · IEEE Transactions on Information Theory · doi:10.1109/18.720541 · Cited by 1,642
Sharma, G., & Trussell, H. J. (1997) · IEEE Transactions on Image Processing · doi:10.1109/83.597268 · Cited by 440
Ulichney, R. A. (1988) · Proceedings of the IEEE · doi:10.1109/5.3288 · Cited by 414
Gray, R. M., & Stockham, T. G. (1993) · IEEE Transactions on Information Theory · doi:10.1109/18.256489 · Cited by 409
Tu, Z., Lin, J., Wang, Y., Adsumilli, B., & Bovik, A. C. (2020) · IEEE Signal Processing Letters · doi:10.1109/lsp.2020.3024985 · Cited by 31
Metadata
- Authors
- Roberts, L.
- Venue
- IEEE Transactions on Information Theory
- Published
- 1962-02
- Volume
- 8
- Issue
- 2
- Pages
- 145-154
- ISSN
- 0018-9448 (ISSN-L)
- OpenAlex
- W2100403032
- Cited by
- 339
- References
- 5
- FWCI
- 5.76
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
