Image transmission apparatus in which pixel data are rearranged

Details Image transmission apparatus in which pixel data are rearranged Image transmission apparatus in which pixel data are rearranged

1994-12-23

1996-10-29

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Image transmission accuracy verification

348616, H04M 100

Patent

active

055702023

ABSTRACT:
The order of pixel data is converted on a frame-by-frame basis to produce a prescribed combination of pixel data. To construct frames, sequence numbers representing the order of the frames are attached to respective frame data each composed of a plurality of pixel data thus produced. The frames thus constructed are transmitted to the transmission line. On the receiving side, the sequence numbers of the frames received from the transmission line are checked to detect a missing frame. Pixel data of the missing frame is replaced by those of a frame having a sequence number immediately before that of the missing frame. An image is reconstructed by inversely converting the order of the pixel data which include the replaced pixel data.

REFERENCES:
patent: 4590520 (1986-05-01), Frame et al.
patent: 4638380 (1987-01-01), Wilkinson et al.
patent: 4656514 (1987-04-01), Wilkinson et al.
patent: 4737863 (1988-04-01), Eto et al.
patent: 5057938 (1991-10-01), Edamura

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