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  • 1
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    Multiresolution image gathering and restoration (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: In this paper we integrate multiresolution decomposition with image gathering and restoration. This integration leads to a Wiener-matrix filter that accounts for the aliasing, blurring, and noise in image gathering, together with the digital filtering and decimation in signal decomposition. Moreover, as implemented here, the Wiener-matrix filter completely suppresses the blurring and raster effects of the image-display device. We demonstrate that this filter can significantly improve the fidelity and visual quality produced by conventional image reconstruction. The extent of this improvement, in turn, depends on the design of the image-gathering device.
    Keywords: COMMUNICATIONS AND RADAR
    Type: Journal of Visual Communication and Image Representation (ISSN 1047-3203); 3; 4; p. 356-363.
    Format: text
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  • 2
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    Proceedings of the Second International Mobile Satellite Conference (IMSC 1990) (1990)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Presented here are the proceedings of the Second International Mobile Satellite Conference (IMSC), held June 17-20, 1990 in Ottawa, Canada. Topics covered include future mobile satellite communications concepts, aeronautical applications, modulation and coding, propagation and experimental systems, mobile terminal equipment, network architecture and control, regulatory and policy considerations, vehicle antennas, and speech compression.
    Keywords: COMMUNICATIONS AND RADAR
    Type: NASA-CR-186321 , JPL-PUBL-90-7 , NAS 1.26:186321 , Jun 17, 1990 - Jun 20, 1990; Ottawa, Ontario; Canada
    Format: application/pdf
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