Facsimile apparatus comprising converting means for converting b

Details Facsimile apparatus comprising converting means for converting b Facsimile apparatus comprising converting means for converting b

1992-09-25

1994-01-25

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 100, H04N 140

Patent

active

052820599

ABSTRACT:
In a facsimile apparatus, image data receiver receives compressed image data transmitted from a transmission apparatus apart from the facsimile apparatus. A first expanding section expands the received image data using a first expanding method, and a second expanding section expands the received image data using a different second expanding method. A data converter converts white and black binary image data into multi-value image data in multi-gradation stages representation, and a judging section judges whether the received image data are binary image data or multi-value image data. Further, a controller controls the first expanding section and a printer to expand the compressed image data judged as multi-value image data and thereafter print in multi-gradation stages an image corresponding to the expanded image data, and also controls the second expanding section, the data converter and the printer to expand the compressed image data judged as binary image data, convert the expanded image data into multi-value image data, and thereafter print in multi-gradation stages an image corresponding to the converted multi-value image data.

REFERENCES:
patent: 4571634 (1986-02-01), Caneschi et al.
patent: 5008949 (1991-04-01), Arimoto
patent: 5130809 (1992-07-01), Takayanagi
patent: 5220649 (1993-06-01), Forcier
Publication entitled "Higher fine multi-value recovery of binary image by Neural Network" by Yoshinobu Mita, et al., Japan Hard Copy '90, NIP-24, pp. 233-236, 1990.

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