| US 7,596,263 B2 | ||
| Image transmitting apparatus, image receiving apparatus, and image transmission system | ||
| Hisashi Sasaki, Kawasaki (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Mar. 15, 2006, as Appl. No. 11/375,238. | ||
| Claims priority of application No. 2005-073812 (JP), filed on Mar. 15, 2005. | ||
| Prior Publication US 2006/0222241 A1, Oct. 05, 2006 | ||
| Int. Cl. G06K 9/36 (2006.01); G06K 9/46 (2006.01) | ||
| U.S. Cl. 382—162 [382/166; 382/244] | 20 Claims |
| 15. An image transmission system, comprising:
an image transmitter configured to transmit image data; and
an image receiver configured to receive the image data,
wherein the image transmitter includes:
a color difference differential calculating unit configured to calculate color difference differential data relating to a
difference between a current predicting value predicted based on previous image data and current actual image data;
a multi-valued generator configured to generate multi-valued data corresponding to the color difference differential data
based on the color difference differential data, statistical properties of the image data and a signal amplitude of the multi-valued
data to be generated; and
a transmitter configured to transmit the multi-valued data through at least one transmission line, and
wherein the image receiver includes:
a receiver configured to receive the multi-valued data transmitted via the transmission line;
a decoder configured to decode the received multi-valued data to generate the color difference differential data relating
to a difference between color difference data corresponding the current actual image data and color difference data corresponding
to a current predicting value predicted by the previous image data; and
an image restoring unit configured to restore the current actual image data based on the color difference differential data.
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