Image data transmitting/receiving apparatus

Details Image data transmitting/receiving apparatus Image data transmitting/receiving apparatus

1997-02-21

2000-05-30

Vu, Kim Yen

Image analysis

Image transformation or preprocessing

Changing the image coordinates

358448, 358451, 382299, H04N 1393

Patent

active

060699833

ABSTRACT:
It is determined whether the long sides of a document are parallel to the main or sub scanning direction of a scanner to set resolutions of image data along the short and long sides of the document while the image data is being facsimiled. When the long sides of the document is parallel to the main scanning direction, the scanner scans the document in the main scanning direction by the resolution along the long sides and in the sub scanning direction by the resolution along the short sides to read the image data. The image data is rotated 90 degrees, and the rotated image data is facsimiled in the A4-R direction based on the ITU's recommendation. The image data is not degraded when it is rotated but can be transmitted in good quality.

REFERENCES:
patent: 5521720 (1996-05-01), Yoshida

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