Methods for synthesis of texture signals and for transmission an

Details Methods for synthesis of texture signals and for transmission an Methods for synthesis of texture signals and for transmission an

1992-11-30

1995-02-28

Groody, James J.

Television

Image signal processing circuitry specific to television

382 28, 382 54, H04N 514, H04N 141

Patent

active

053941918

ABSTRACT:
Texture synthesis device and method, based on digital video signals. The synthesis device comprises a circuit (16) for computing and memorizing the structural characteristics, based on a sample referred to as reference sample, a circuit (17) for restituting an approximate synthesis picture by means of growth in a predetermined region, based on its characteristics and on the sample with a subdivision of said picture in blocks of an identical size, a circuit (18) for constituting a dictionary, based on the blocks of the sample of the same size as those of said picture and a circuit (19) for decorating said approximate synthesis picture, based on output signals of said circuit for constituting the dictionary. The invention also relates to a method of and a device for transmitting and/or storing texture signals, including the implementation of this method and this synthesis device.

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A. Gagalowicz, "A New Method For Texture Fields Synthesis: Some Applications To The Study Of Human Vision", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-3, No. 5, Sep. 1981, pp. 520-533.
Y. Linde et al., "An Algorithm For Vector Quantizer Design", IEEE Transaction On Communications, vol. COM-28, No. 1, Jan. 1980, pp. 84-95.
X. Michel et al., "Unsupervised Segmentation of Texture Images", SPIE, vol. 1001, Visual Communication and Image Processing 88, pp. 582-590.

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